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Yun-zhi Tang - One of the best experts on this subject based on the ideXlab platform.
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High-Temperature Reversible Phase-Transition Behavior, Switchable Dielectric and Second Harmonic Generation Response of Two Homochiral Crown Ether Clathrates.
Chemistry an Asian journal, 2019Co-Authors: Fan Xiaowei, Yun-zhi Tang, Chang-feng Wang, Yi Liu, Wen-juan Wei, Jian‐chen Zhang, Zi‐yu Luo, Yu-hui TanAbstract:Crowning achievement: Two homochiral crown ether clathrates were synthesized which undergo high-temperature Reversible Phase Transition. In addition, second harmonic generation (SHG) responses and abnormal dielectric property further confirm the Reversible Phase Transitions and symmetry breaking behaviors of the structures.
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Symmetry breaking and switchable thermal dielectric behaviors triggered by order-disorder Phase Transition in a neutral co-crystallized organic adduct
Chemical Physics Letters, 2019Co-Authors: Shao-peng Chen, Hai-tao Zhou, Yu-hui Tan, Chang-feng Wang, He-rui Wen, Yun-zhi TangAbstract:Abstract Reversible crystal state structural Phase Transitions molecular materials without metal have been received increasing interest recently. Here we successfully synthesized a novel ternary neutral co-crystallized organic adduct hexamethylenetetramine·1-adamantane carboxylic acid·chloroform, 1 , which accompanies with an interesting Reversible Phase Transition close to the zero temperature (263 K). We confirmed this Reversible Phase Transition by its switchable thermal dielectric behaviors and unit cell constants anomalies around the Phase Transition temperature ( T c ). X-ray single crystal diffraction analysis above ( 1-RTP ) and below ( 1-LTP ) T c suggests that the order-disorder motion from the adamantane ring in 1-adamantane carboxylic acid triggered the Reversible Phase Transition.
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Reversible Phase Transition and switchable dielectric behaviors triggered by rotation and order-disorder motions of crowns
Dalton transactions (Cambridge England : 2003), 2018Co-Authors: Yi Liu, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui Wen, Yun-zhi TangAbstract:Solid-to solid-state Reversible Phase Transitions are widely used in switchable dielectrics, ferroelectrics, piezoelectrics, and pyroelectric and non-linear optical materials. Herein we report a new crown ether clathrate, [Habf-(18-crown-6)1.5]+ [PF6]- (Habf = p-ammonium benzene formamide) which shows an interesting Reversible Phase Transition near room temperature (263 K). X-ray single crystal diffraction analysis shows that the synergetic rotation motion between the 18-crown-6 crown ethers and the order-disorder motions of both hexafluorophosphate guest anions and 18-crown-6 crown ether host molecules lead to the Phase Transition. This Reversible Phase Transition is confirmed by an evident thermal anomaly behavior around 263 K. The apparent step-like dielectric change around the Phase Transition indicates that it has potential application in dielectric switches.
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Reversible Phase Transition with Ultralarge Dielectric Relaxation Behaviors in Succinimide Lithium(I) Hybrids
Inorganic chemistry, 2018Co-Authors: Yun-zhi Tang, Bin Wang, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui WenAbstract:Dielectric relaxations have widely applied on high permittivity capacitors, dielectric switches, ferroelectrics, pyroelectrics, and electrical insulating materials. However, few investigations of large dielectric relaxation behaviors on organic–inorganic hybrid materials have been documented before. Here we present a novel two-dimensional succinimide lithium(I) hybrid compound, [Li(PDD)2ClO4]n, 1, (PDD = 2,5-pyrrolidinedione = succinimide) which shows Reversible Phase Transition behavior in the vicinity of 228 K accompanied by an unusual symmetry breaking from I41/amd to C2/c. X-ray single crystal diffractions analysis indicates the twist motion of pyrrolidine heterocycles, and order–disorder motion of ClO4– anions triggered the Reversible Phase Transition. By means of an intuitive crystallographic model (rattling ion model), we further illustrated the mechanism of the interesting Reversible Phase Transition. Particularly, 1 shows ultralarge dielectric relaxation behavior in the vicinity of the Phase tran...
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unusual high temperature Reversible Phase Transition behavior structures and dielectric ferroelectric properties of two new crown ether clathrates
Journal of the American Chemical Society, 2015Co-Authors: Yun-zhi Tang, Yu-hui Tan, Jianbo Xiong, He-rui WenAbstract:Molecular ferroelectrics with high-temperature Reversible Phase-Transition behaviors are very rare and have currently become one of the hotspots in the field of ferroelectric materials. Herein we display two new crown ether clathrates possessing unusual high-temperature ferroelectric Phase-Transition behaviors, cyclohexyl ammonium 18-crown-6 tetrafluoroborate (or perchlorate), [Hcha-(18-crown-6)]+ [BF4]− (1) and [Hcha-(18-crown-6)]+[ClO4]− (2) (Hcha = protonated cyclohexyl ammonium). We have proven their Reversible structural Phase Transitions by variable-temperature PXRD measurements and temperature evolutions of Raman bands. Both clathrates exhibit clear ferroelectric Phase Transitions at about 397 and 390 K, respectively, revealed by the thermal anomalies of differential scanning calorimetry (DSC) measurements, together with abrupt dielectric anomalies in the heating and cooling processes. The measurements on ferroelectric properties using the single crystals showed optimized spontaneous polarization (...
Yu-hui Tan - One of the best experts on this subject based on the ideXlab platform.
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High-Temperature Reversible Phase-Transition Behavior, Switchable Dielectric and Second Harmonic Generation Response of Two Homochiral Crown Ether Clathrates.
Chemistry an Asian journal, 2019Co-Authors: Fan Xiaowei, Yun-zhi Tang, Chang-feng Wang, Yi Liu, Wen-juan Wei, Jian‐chen Zhang, Zi‐yu Luo, Yu-hui TanAbstract:Crowning achievement: Two homochiral crown ether clathrates were synthesized which undergo high-temperature Reversible Phase Transition. In addition, second harmonic generation (SHG) responses and abnormal dielectric property further confirm the Reversible Phase Transitions and symmetry breaking behaviors of the structures.
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Symmetry breaking and switchable thermal dielectric behaviors triggered by order-disorder Phase Transition in a neutral co-crystallized organic adduct
Chemical Physics Letters, 2019Co-Authors: Shao-peng Chen, Hai-tao Zhou, Yu-hui Tan, Chang-feng Wang, He-rui Wen, Yun-zhi TangAbstract:Abstract Reversible crystal state structural Phase Transitions molecular materials without metal have been received increasing interest recently. Here we successfully synthesized a novel ternary neutral co-crystallized organic adduct hexamethylenetetramine·1-adamantane carboxylic acid·chloroform, 1 , which accompanies with an interesting Reversible Phase Transition close to the zero temperature (263 K). We confirmed this Reversible Phase Transition by its switchable thermal dielectric behaviors and unit cell constants anomalies around the Phase Transition temperature ( T c ). X-ray single crystal diffraction analysis above ( 1-RTP ) and below ( 1-LTP ) T c suggests that the order-disorder motion from the adamantane ring in 1-adamantane carboxylic acid triggered the Reversible Phase Transition.
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Reversible Phase Transition and switchable dielectric behaviors triggered by rotation and order-disorder motions of crowns
Dalton transactions (Cambridge England : 2003), 2018Co-Authors: Yi Liu, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui Wen, Yun-zhi TangAbstract:Solid-to solid-state Reversible Phase Transitions are widely used in switchable dielectrics, ferroelectrics, piezoelectrics, and pyroelectric and non-linear optical materials. Herein we report a new crown ether clathrate, [Habf-(18-crown-6)1.5]+ [PF6]- (Habf = p-ammonium benzene formamide) which shows an interesting Reversible Phase Transition near room temperature (263 K). X-ray single crystal diffraction analysis shows that the synergetic rotation motion between the 18-crown-6 crown ethers and the order-disorder motions of both hexafluorophosphate guest anions and 18-crown-6 crown ether host molecules lead to the Phase Transition. This Reversible Phase Transition is confirmed by an evident thermal anomaly behavior around 263 K. The apparent step-like dielectric change around the Phase Transition indicates that it has potential application in dielectric switches.
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Reversible Phase Transition with Ultralarge Dielectric Relaxation Behaviors in Succinimide Lithium(I) Hybrids
Inorganic chemistry, 2018Co-Authors: Yun-zhi Tang, Bin Wang, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui WenAbstract:Dielectric relaxations have widely applied on high permittivity capacitors, dielectric switches, ferroelectrics, pyroelectrics, and electrical insulating materials. However, few investigations of large dielectric relaxation behaviors on organic–inorganic hybrid materials have been documented before. Here we present a novel two-dimensional succinimide lithium(I) hybrid compound, [Li(PDD)2ClO4]n, 1, (PDD = 2,5-pyrrolidinedione = succinimide) which shows Reversible Phase Transition behavior in the vicinity of 228 K accompanied by an unusual symmetry breaking from I41/amd to C2/c. X-ray single crystal diffractions analysis indicates the twist motion of pyrrolidine heterocycles, and order–disorder motion of ClO4– anions triggered the Reversible Phase Transition. By means of an intuitive crystallographic model (rattling ion model), we further illustrated the mechanism of the interesting Reversible Phase Transition. Particularly, 1 shows ultralarge dielectric relaxation behavior in the vicinity of the Phase tran...
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unusual high temperature Reversible Phase Transition behavior structures and dielectric ferroelectric properties of two new crown ether clathrates
Journal of the American Chemical Society, 2015Co-Authors: Yun-zhi Tang, Yu-hui Tan, Jianbo Xiong, He-rui WenAbstract:Molecular ferroelectrics with high-temperature Reversible Phase-Transition behaviors are very rare and have currently become one of the hotspots in the field of ferroelectric materials. Herein we display two new crown ether clathrates possessing unusual high-temperature ferroelectric Phase-Transition behaviors, cyclohexyl ammonium 18-crown-6 tetrafluoroborate (or perchlorate), [Hcha-(18-crown-6)]+ [BF4]− (1) and [Hcha-(18-crown-6)]+[ClO4]− (2) (Hcha = protonated cyclohexyl ammonium). We have proven their Reversible structural Phase Transitions by variable-temperature PXRD measurements and temperature evolutions of Raman bands. Both clathrates exhibit clear ferroelectric Phase Transitions at about 397 and 390 K, respectively, revealed by the thermal anomalies of differential scanning calorimetry (DSC) measurements, together with abrupt dielectric anomalies in the heating and cooling processes. The measurements on ferroelectric properties using the single crystals showed optimized spontaneous polarization (...
He-rui Wen - One of the best experts on this subject based on the ideXlab platform.
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Symmetry breaking and switchable thermal dielectric behaviors triggered by order-disorder Phase Transition in a neutral co-crystallized organic adduct
Chemical Physics Letters, 2019Co-Authors: Shao-peng Chen, Hai-tao Zhou, Yu-hui Tan, Chang-feng Wang, He-rui Wen, Yun-zhi TangAbstract:Abstract Reversible crystal state structural Phase Transitions molecular materials without metal have been received increasing interest recently. Here we successfully synthesized a novel ternary neutral co-crystallized organic adduct hexamethylenetetramine·1-adamantane carboxylic acid·chloroform, 1 , which accompanies with an interesting Reversible Phase Transition close to the zero temperature (263 K). We confirmed this Reversible Phase Transition by its switchable thermal dielectric behaviors and unit cell constants anomalies around the Phase Transition temperature ( T c ). X-ray single crystal diffraction analysis above ( 1-RTP ) and below ( 1-LTP ) T c suggests that the order-disorder motion from the adamantane ring in 1-adamantane carboxylic acid triggered the Reversible Phase Transition.
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Reversible Phase Transition and switchable dielectric behaviors triggered by rotation and order-disorder motions of crowns
Dalton transactions (Cambridge England : 2003), 2018Co-Authors: Yi Liu, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui Wen, Yun-zhi TangAbstract:Solid-to solid-state Reversible Phase Transitions are widely used in switchable dielectrics, ferroelectrics, piezoelectrics, and pyroelectric and non-linear optical materials. Herein we report a new crown ether clathrate, [Habf-(18-crown-6)1.5]+ [PF6]- (Habf = p-ammonium benzene formamide) which shows an interesting Reversible Phase Transition near room temperature (263 K). X-ray single crystal diffraction analysis shows that the synergetic rotation motion between the 18-crown-6 crown ethers and the order-disorder motions of both hexafluorophosphate guest anions and 18-crown-6 crown ether host molecules lead to the Phase Transition. This Reversible Phase Transition is confirmed by an evident thermal anomaly behavior around 263 K. The apparent step-like dielectric change around the Phase Transition indicates that it has potential application in dielectric switches.
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Reversible Phase Transition with Ultralarge Dielectric Relaxation Behaviors in Succinimide Lithium(I) Hybrids
Inorganic chemistry, 2018Co-Authors: Yun-zhi Tang, Bin Wang, Hai-tao Zhou, Shao-peng Chen, Yu-hui Tan, Chang-feng Wang, Chang-shan Yang, He-rui WenAbstract:Dielectric relaxations have widely applied on high permittivity capacitors, dielectric switches, ferroelectrics, pyroelectrics, and electrical insulating materials. However, few investigations of large dielectric relaxation behaviors on organic–inorganic hybrid materials have been documented before. Here we present a novel two-dimensional succinimide lithium(I) hybrid compound, [Li(PDD)2ClO4]n, 1, (PDD = 2,5-pyrrolidinedione = succinimide) which shows Reversible Phase Transition behavior in the vicinity of 228 K accompanied by an unusual symmetry breaking from I41/amd to C2/c. X-ray single crystal diffractions analysis indicates the twist motion of pyrrolidine heterocycles, and order–disorder motion of ClO4– anions triggered the Reversible Phase Transition. By means of an intuitive crystallographic model (rattling ion model), we further illustrated the mechanism of the interesting Reversible Phase Transition. Particularly, 1 shows ultralarge dielectric relaxation behavior in the vicinity of the Phase tran...
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unusual high temperature Reversible Phase Transition behavior structures and dielectric ferroelectric properties of two new crown ether clathrates
Journal of the American Chemical Society, 2015Co-Authors: Yun-zhi Tang, Yu-hui Tan, Jianbo Xiong, He-rui WenAbstract:Molecular ferroelectrics with high-temperature Reversible Phase-Transition behaviors are very rare and have currently become one of the hotspots in the field of ferroelectric materials. Herein we display two new crown ether clathrates possessing unusual high-temperature ferroelectric Phase-Transition behaviors, cyclohexyl ammonium 18-crown-6 tetrafluoroborate (or perchlorate), [Hcha-(18-crown-6)]+ [BF4]− (1) and [Hcha-(18-crown-6)]+[ClO4]− (2) (Hcha = protonated cyclohexyl ammonium). We have proven their Reversible structural Phase Transitions by variable-temperature PXRD measurements and temperature evolutions of Raman bands. Both clathrates exhibit clear ferroelectric Phase Transitions at about 397 and 390 K, respectively, revealed by the thermal anomalies of differential scanning calorimetry (DSC) measurements, together with abrupt dielectric anomalies in the heating and cooling processes. The measurements on ferroelectric properties using the single crystals showed optimized spontaneous polarization (...
Haoshen Zhou - One of the best experts on this subject based on the ideXlab platform.
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oxygen vacancy promising highly Reversible Phase Transition in layered cathodes for sodium ion batteries
Nano Research, 2021Co-Authors: Kezhu Jiang, Shaohua Guo, Wei Kong Pang, Xueping Zhang, Tiancheng Fang, Shaofei Wang, Fangwei Wang, Xiaoyu Zhang, Haoshen ZhouAbstract:Phase Transition is common during (de)-intercalating layered sodium oxides, which directly affects the structural stability and electrochemical performance. However, the artificial control of Phase Transition to achieve advanced sodium-ion batteries is lacking, since the remarkably little is known about the influencing factor relative to the sliding process of Transition-metal slabs upon sodium release and uptake of layered oxides. Herein, we for the first time demonstrate the manipulation of oxygen vacancy concentrations in multinary metallic oxides has a significant impact on the reversibility of Phase Transition, thereby determining the sodium storage performance of cathode materials. Results show that abundant oxygen vacancies intrigue the return of the already slide Transition-metal slabs between O3 and P3 Phase Transition, in contrast to the few oxygen vacancies and resulted irreversibility. Additionally, the abundant oxygen vacancies enhance the electronic and ionic conductivity of the Na0.9Ni0.3Co0.15Mn0.05Ti0.5O2 electrode, delivering the high initial Coulombic efficiency of 97.1%, large Reversible capacity of 112.7 mAh·g−1, superior rate capability upon 100 C and splendid cycling performance over 1,000 cycles. Our findings open up new horizons for artificially manipulating the structural evolution and electrochemical process of layered cathodes, and pave a way in designing advanced sodium-ion batteries.
Jingcheng Hao - One of the best experts on this subject based on the ideXlab platform.
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polyelectrolyte grafted carbon nanotubes synthesis Reversible Phase Transition behavior and tribological properties as lubricant additives
Journal of Polymer Science Part A, 2008Co-Authors: Xiaowei Pei, Jingcheng Hao, Yanqiu Xia, Weimin LiuAbstract:A novel polyelectrolyte-grafted multiwalled carbon nanotubes (MWCNTs-g-PILs) which possesses a hard backbone of MWCNTs and a soft shell of brush-like poly (ionic liquids) (PILs) has been synthesized via the surface atom transfer radical polymerization (ATRP). Chemical structure and the grafted PILs quantities of MWCNTs-g-PILs were determined by FTIR, TGA, and XPS. TEM and FE-SEM observations indicate that the nanotubes were coated with a PILs layer, exhibiting core-shell nanostructures with the PILs chains as the brush-like or hairy shell and the MWCNTs as the hard backbone. Furthermore, the effect of counter-anions on the solubility of MWCNTs-g-PILs was investigated. The results indicate that relative solubility of MWCNTs-g-PILs in various solvents could be switched by anion exchange. This tunable solubility results in the formation of the cycle of Reversible Phase-Transition. Tribological property of MWCNTs-g-PILs as additives in base lubricant 1-methyl-3-butylimidaaolium hexafluorophosphate (LP104) was evaluated using an Optimol SRV oscillating friction and wear tester, confirming that MWCNTs-g-PILs are the excellent antiwear and friction-reducing additives, which can amend the tribological properties of base lubricant significantly. This is attributed to the good dispersibility and core-shell structure of MWCNTs-g-PILs. These results reported in this work may open primarily toward constructing a bridge among carbon nanotues (CNTs), ILs, and lubricant additives and secondarily to prove that CNTs (modified CNTs) as lubricant additives are promising candidates. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7225–7237, 2008
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Polyelectrolyte‐grafted carbon nanotubes: Synthesis, Reversible Phase‐Transition behavior, and tribological properties as lubricant additives
Journal of Polymer Science Part A: Polymer Chemistry, 2008Co-Authors: Xiaowei Pei, Yanqiu Xia, Weimin Liu, Jingcheng HaoAbstract:A novel polyelectrolyte-grafted multiwalled carbon nanotubes (MWCNTs-g-PILs) which possesses a hard backbone of MWCNTs and a soft shell of brush-like poly (ionic liquids) (PILs) has been synthesized via the surface atom transfer radical polymerization (ATRP). Chemical structure and the grafted PILs quantities of MWCNTs-g-PILs were determined by FTIR, TGA, and XPS. TEM and FE-SEM observations indicate that the nanotubes were coated with a PILs layer, exhibiting core-shell nanostructures with the PILs chains as the brush-like or hairy shell and the MWCNTs as the hard backbone. Furthermore, the effect of counter-anions on the solubility of MWCNTs-g-PILs was investigated. The results indicate that relative solubility of MWCNTs-g-PILs in various solvents could be switched by anion exchange. This tunable solubility results in the formation of the cycle of Reversible Phase-Transition. Tribological property of MWCNTs-g-PILs as additives in base lubricant 1-methyl-3-butylimidaaolium hexafluorophosphate (LP104) was evaluated using an Optimol SRV oscillating friction and wear tester, confirming that MWCNTs-g-PILs are the excellent antiwear and friction-reducing additives, which can amend the tribological properties of base lubricant significantly. This is attributed to the good dispersibility and core-shell structure of MWCNTs-g-PILs. These results reported in this work may open primarily toward constructing a bridge among carbon nanotues (CNTs), ILs, and lubricant additives and secondarily to prove that CNTs (modified CNTs) as lubricant additives are promising candidates. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7225–7237, 2008
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Reversible Phase Transition from vesicles to lamellar network structures triggered by chain melting
Soft Matter, 2008Co-Authors: Yuwen Shen, Jingcheng Hao, H HoffmannAbstract:Reversible Phase structural Transition from densely packed multilamellar vesicles of cationic and anionic (catanionic) tetradecyltrimethylammonium laurate (TTAL) with an amount of salt (NaBr) to network structures was triggered by chain melting. Phase behavior of catanionic TTAL multilamellar vesicles in aqueous solutions at different concentrations of NaBr with increasing temperature was studied. This Phase structural Transition is a progressive process and happens at the chain melting, which was monitored by means of Fourier transform infrared (FT-IR) spectroscopy, turbidity and viscosity measurements. Transmission electron microscopy (TEM) and small angle X-ray scattering (SAXS) were used to demonstrate the Phase structural conversion from vesicles to three-dimensional structures consisting of extended bilayer networks. We found that the Phase Transition temperature (Tm) was influenced by adding amount of salt but not by being diluted. This is the first time that the Phase conversion from catanionic surfactant vesicles to bilayer networks triggered by chain melting has been observed. The Phase structural Transition should arise from the enhanced membrane elasticity accompanying the catanionic surfactant state fluctuations on chain melting and the solvent-associated interactions including cationic and anionic surfactant electrostatic interaction, which favors a change in membrane curvature. We hope this Phase conversion observed in catanionic surfactants in aqueous solution will provide good insight into the nature of the fusion or fission processes and the fluctuation of catanionic vesicular systems.
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Polyelectrolyte-grafted carbon nanotubes: Synthesis, Reversible Phase-Transition behavior, and tribological properties as lubricant additives Part A Polymer chemistry
Journal of Polymer Science, 2008Co-Authors: Pei Xiaowei, Weimin Liu, Yanqiu Xia, Jingcheng HaoAbstract:A novel polyelectrolyte-grafted multiwalled carbon nanotubes (MWCNTs-g-PILs) which possesses a hard backbone of MWCNTs and a soft shell of brush-like poly (ionic liquids) (PILs) has been synthesized via the surface atom transfer radical polymerization (ATRP). Chemical structure and the grafted PILs quantities of MWCNTs-g-PILs were determined by FTIR, TGA, and XPS. TEM and FE-SEM observations indicate that the nanotubes were coated with a PILs layer, exhibiting core-shell nanostructures with the PILs chains as the brush-like or hairy shell and the MWCNTs as the hard backbone. Furthermore, the effect of counter-anions on the solubility of MWCNTs-g-PILs was investigated. The results indicate that relative solubility of MWCNTs-g-PILs in various solvents could be switched by anion exchange. This tunable solubility results in the formation of the cycle of Reversible Phase-Transition. Tribological property of MWCNTs-g-PILs as additives in base lubricant 1-methyl-3-butylimidaaolium hexafluorophosphate (LP104) was evaluated using an Optimol SRV oscillating friction and wear tester, confirming that MWCNTs-g-PILs are the excellent antiwear and friction-reducing additives, which can amend the tribological properties of base lubricant significantly. This is attributed to the good dispersibility and core-shell structure of MWCNTs-g-PILs. These results reported in this work may open primarily toward constructing a bridge among carbon nanotues (CNTs), ILs, and lubricant additives and secondarily to prove that CNTs (modified CNTs) as lubricant additives are promising candidates.
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Reversible Phase Transition between salt-free catanionic vesicles and high-salinity catanionic vesicles
Soft matter, 2007Co-Authors: Yuwen Shen, Jingcheng Hao, Heinz HoffmannAbstract:Reversible Phase Transition between salt-free cationic and anionic (catanionic) tetradecyltrimethylammonium laurate (TTAL) birefringent Lα-Phase solution with uni- and multilamellar vesicles and high-salinity catanionic vesicles was studied. With increasing concentration of NaBr, the salt-free catanionic birefringent Lα-Phase formed by cationic tetradecyltrimethylammonium hydroxide (TTAOH) mixing with lauric acid in equimolar ammounts in aqueous solution was transferred into a two-Phase precipitate–L1-Phase, and finally a birefringent Lα-Phase again at much higher salt concentration. The uni- and multilamellar vesicles of birefringent Lα-Phases without salt and with much higher salts were determined by freeze-fracture transmission electron microscopy (FF-TEM) images. The precipitates being the top Phase at the two-Phase region were also determined by means of FF-TEM images, which consist of densely packed multilamellar vesicles. The Phase Transition from salt-free catanionic birefringent Lα-Phase to the one with much higher salinity is Reversible, which could be achieved by removing the salts through dialysis. Salt-free catanionic birefringent Lα-Phase with uni- and multilamellar vesicles, via the densely packed multilamellar vesicles of precipitates that have a lower density than water to another birefringent Lα-Phase at high-salinity, and also the Reversible process should improve our understanding of self-assembled structures of surfactants in completely different solvents such as in pure water and ionic liquid media, which may make a significant impact on surfactant sciences.