The Experts below are selected from a list of 36 Experts worldwide ranked by ideXlab platform

Takashi Minemoto - One of the best experts on this subject based on the ideXlab platform.

  • highly luminescent phase stable cspbi3 perovskite quantum dots achieving near 100 absolute photoluminescence quantum yield
    ACS Nano, 2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads...

  • Highly Luminescent Phase-Stable CsPbI3 Perovskite Quantum Dots Achieving Near 100% Absolute Photoluminescence Quantum Yield
    2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads to a significantly improved stability for the resulting CsPbI3 QD solutions. Ultrafast kinetic analysis with time-resolved transient absorption spectroscopy evidence the negligible electron or hole-trapping pathways in our QDs, which explains such a high quantum efficiency. We expect the successful synthesis of the “ideal” perovskite QDs will exert profound influence on their applications to both QD-based light-harvesting and -emitting devices

Feng Liu - One of the best experts on this subject based on the ideXlab platform.

  • highly luminescent phase stable cspbi3 perovskite quantum dots achieving near 100 absolute photoluminescence quantum yield
    ACS Nano, 2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads...

  • Highly Luminescent Phase-Stable CsPbI3 Perovskite Quantum Dots Achieving Near 100% Absolute Photoluminescence Quantum Yield
    2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads to a significantly improved stability for the resulting CsPbI3 QD solutions. Ultrafast kinetic analysis with time-resolved transient absorption spectroscopy evidence the negligible electron or hole-trapping pathways in our QDs, which explains such a high quantum efficiency. We expect the successful synthesis of the “ideal” perovskite QDs will exert profound influence on their applications to both QD-based light-harvesting and -emitting devices

Tsuyoshi Ohta - One of the best experts on this subject based on the ideXlab platform.

  • highly luminescent phase stable cspbi3 perovskite quantum dots achieving near 100 absolute photoluminescence quantum yield
    ACS Nano, 2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads...

  • Highly Luminescent Phase-Stable CsPbI3 Perovskite Quantum Dots Achieving Near 100% Absolute Photoluminescence Quantum Yield
    2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads to a significantly improved stability for the resulting CsPbI3 QD solutions. Ultrafast kinetic analysis with time-resolved transient absorption spectroscopy evidence the negligible electron or hole-trapping pathways in our QDs, which explains such a high quantum efficiency. We expect the successful synthesis of the “ideal” perovskite QDs will exert profound influence on their applications to both QD-based light-harvesting and -emitting devices

Shuzi Hayase - One of the best experts on this subject based on the ideXlab platform.

  • highly luminescent phase stable cspbi3 perovskite quantum dots achieving near 100 absolute photoluminescence quantum yield
    ACS Nano, 2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads...

  • Highly Luminescent Phase-Stable CsPbI3 Perovskite Quantum Dots Achieving Near 100% Absolute Photoluminescence Quantum Yield
    2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads to a significantly improved stability for the resulting CsPbI3 QD solutions. Ultrafast kinetic analysis with time-resolved transient absorption spectroscopy evidence the negligible electron or hole-trapping pathways in our QDs, which explains such a high quantum efficiency. We expect the successful synthesis of the “ideal” perovskite QDs will exert profound influence on their applications to both QD-based light-harvesting and -emitting devices

Taro Toyoda - One of the best experts on this subject based on the ideXlab platform.

  • highly luminescent phase stable cspbi3 perovskite quantum dots achieving near 100 absolute photoluminescence quantum yield
    ACS Nano, 2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads...

  • Highly Luminescent Phase-Stable CsPbI3 Perovskite Quantum Dots Achieving Near 100% Absolute Photoluminescence Quantum Yield
    2017
    Co-Authors: Feng Liu, Yaohong Zhang, Chao Ding, Syuusuke Kobayashi, Takuya Izuishi, Naoki Nakazawa, Taro Toyoda, Tsuyoshi Ohta, Shuzi Hayase, Takashi Minemoto
    Abstract:

    Perovskite quantum dots (QDs) as a new type of colloidal nanocrystals have gained significant attention for both fundamental research and commercial applications owing to their appealing optoelectronic properties and excellent chemical processability. For their wide range of potential applications, synthesizing colloidal QDs with high crystal quality is of crucial importance. However, like most common QD systems such as CdSe and PbS, those reported perovskite QDs still suffer from a certain density of trapping defects, giving rise to detrimental nonradiative recombination centers and thus quenching luminescence. In this paper, we show that a high room-temperature photoluminescence quantum yield of up to 100% can be obtained in CsPbI3 perovskite QDs, signifying the achievement of almost complete elimination of the trapping defects. This is realized with our improved synthetic protocol that involves introducing Organolead Compound trioctylphosphine–PbI2 (TOP–PbI2) as the reactive precursor, which also leads to a significantly improved stability for the resulting CsPbI3 QD solutions. Ultrafast kinetic analysis with time-resolved transient absorption spectroscopy evidence the negligible electron or hole-trapping pathways in our QDs, which explains such a high quantum efficiency. We expect the successful synthesis of the “ideal” perovskite QDs will exert profound influence on their applications to both QD-based light-harvesting and -emitting devices