Search Results - "Kubo, Takaya"

Efficiency Enhancement of PbS Quantum Dot/ZnO Nanowire Bulk-Heterojunction Solar Cells by Plasmonic Silver Nanocubes by Kawawaki, Tokuhisa, Wang, Haibin, Kubo, Takaya, Saito, Koichiro, Nakazaki, Jotaro, Segawa, Hiroshi, Tatsuma, Tetsu

“…For improvement of solar cell performance, it is important to make efficient use of near-infrared light, which accounts for ∼40% of sunlight energy. Here we…”
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Surface Treatment of the Compact TiO2 Layer for Efficient Planar Heterojunction Perovskite Solar Cells by Cojocaru, Ludmila, Uchida, Satoshi, Sanehira, Yoshitaka, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi

“…A compact TiO2 interlayer between fluorine-doped tin oxide (FTO) and perovskite in planar heterojunction perovskite solar cells is essential for effective…”
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The effect of water on colloidal quantum dot solar cells by Shi, Guozheng, Wang, Haibin, Zhang, Yaohong, Cheng, Chen, Zhai, Tianshu, Chen, Botong, Liu, Xinyi, Jono, Ryota, Mao, Xinnan, Liu, Yang, Zhang, Xuliang, Ling, Xufeng, Zhang, Yannan, Meng, Xing, Chen, Yifan, Duhm, Steffen, Zhang, Liang, Li, Tao, Wang, Lu, Xiong, Shiyun, Sagawa, Takashi, Kubo, Takaya, Segawa, Hiroshi, Shen, Qing, Liu, Zeke, Ma, Wanli

“…Almost all surfaces sensitive to the ambient environment are covered by water, whereas the impacts of water on surface-dominated colloidal quantum dot (CQD)…”
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Hysteresis-free perovskite solar cells made of potassium-doped organometal halide perovskite by Tang, Zeguo, Bessho, Takeru, Awai, Fumiyasu, Kinoshita, Takumi, Maitani, Masato M., Jono, Ryota, Murakami, Takurou N., Wang, Haibin, Kubo, Takaya, Uchida, Satoshi, Segawa, Hiroshi

“…Potassium-doped organometal halide perovskite solar cells (PSCs) of more than 20% power conversion efficiency (PCE) without I-V hysteresis were constructed…”
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PbS-Quantum-Dot-Based Heterojunction Solar Cells Utilizing ZnO Nanowires for High External Quantum Efficiency in the Near-Infrared Region by Wang, Haibin, Kubo, Takaya, Nakazaki, Jotaro, Kinoshita, Takumi, Segawa, Hiroshi

“…The improvement of solar cell performance in the near-infrared (near-IR) region is an important challenge to increase power conversion efficiency under one-sun…”
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Temperature Effects on the Photovoltaic Performance of Planar Structure Perovskite Solar Cells by Cojocaru, Ludmila, Uchida, Satoshi, Sanehira, Yoshitaka, Gonzalez-Pedro, Victoria, Bisquert, Juan, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi

“…Temperature effects of CH3NH3PbI3 perovskite solar cells having simple planar architecture were investigated on the crystal structure and photovoltaic…”
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Emission Spectroscopy Investigation of the Enhancement of Carrier Collection Efficiency in AgBiS2-Nanocrystal/ZnO-Nanowire Heterojunction Solar Cells by Xiao, Yun, Wang, Haibin, Awai, Fumiyasu, Shibayama, Naoyuki, Kubo, Takaya, Segawa, Hiroshi

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Spectral splitting photovoltaics using perovskite and wideband dye-sensitized solar cells by Kinoshita, Takumi, Nonomura, Kazuteru, Joong Jeon, Nam, Giordano, Fabrizio, Abate, Antonio, Uchida, Satoshi, Kubo, Takaya, Seok, Sang Il, Nazeeruddin, Mohammad Khaja, Hagfeldt, Anders, Grätzel, Michael, Segawa, Hiroshi

“…The extension of the light absorption of photovoltaics into the near-infrared region is important to increase the energy conversion efficiency. Although the…”
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Limiting factor of performance for solution-phase ligand-exchanged PbS quantum dot solar cell by Fukuda, Takeshi, Takahashi, Akihiro, Takahira, Kazuya, Wang, Haibin, Kubo, Takaya, Segawa, Hiroshi

“…Despite great increases in photovoltaic performance due to the insertion of ligand-exchanged PbS quantum dot layer via 1,2-ethanedithiol (EDT), detailed…”
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Enhanced Carrier Transport Distance in Colloidal PbS Quantum-Dot-Based Solar Cells Using ZnO Nanowires by Wang, Haibin, Gonzalez-Pedro, Victoria, Kubo, Takaya, Fabregat-Santiago, Francisco, Bisquert, Juan, Sanehira, Yoshitaka, Nakazaki, Jotaro, Segawa, Hiroshi

“…Nanostructured solar cells are a promising area of research for the production of low cost devices that may eventually be capable of complementing or even…”
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Solution-Processed Short-Wave Infrared PbS Colloidal Quantum Dot/ZnO Nanowire Solar Cells Giving High Open-Circuit Voltage by Wang, Haibin, Kubo, Takaya, Nakazaki, Jotaro, Segawa, Hiroshi

“…A systematic investigation into the performance of PbS quantum dot (QD)/ZnO nanowire (NW) solar cells in the near-infrared (NIR) and short-wave infrared (SWIR)…”
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Determination of unique power conversion efficiency of solar cell showing hysteresis in the I-V curve under various light intensities by Cojocaru, Ludmila, Uchida, Satoshi, Tamaki, Koichi, Jayaweera, Piyankarage V. V., Kaneko, Shoji, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi

“…Energy harvesting at low light intensities has recently attracted a great deal of attention of perovskite solar cells (PSCs) which are regarded as promising…”
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Materials Design and Optimization for Next-Generation Solar Cell and Light-Emitting Technologies by Manzhos, Sergei, Chueh, Chu-Chen, Giorgi, Giacomo, Kubo, Takaya, Saianand, Gopalan, Lüder, Johann, Sonar, Prashant, Ihara, Manabu

“…We review some of the most potent directions in the design of materials for next-generation solar cell and light-emitting technologies that go beyond…”
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Determination of Chloride Content in Planar CH3NH3PbI3−xClx Solar Cells by Chemical Analysis by Cojocaru, Ludmila, Uchida, Satoshi, Kumar Jena, Ajay, Miyasaka, Tsutomu, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi

“…Methylammonium lead mixed-halide perovskite (CH3NH3PbI3−xClx) has been widely used for photovoltaic conversion. Supposedly, the presence of chloride ions in…”
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Annealing-Temperature Dependent Carrier-Transportation in ZnO/PbS Quantum Dot Solar Cells Fabricated Using Liquid-Phase Ligand Exchange Methods by Takahashi, Akihiro, Wang, Haibin, Fukuda, Takeshi, Kamata, Norihiko, Kubo, Takaya, Segawa, Hiroshi

“…We constructed ZnO/PbS quantum dot (QD) heterojunction solar cells using liquid-phase ligand exchange methods. Colloidal QD solutions deposited on ZnO-dense…”
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Ultra‐Thin SnOx Buffer Layer Enables High‐Efficiency Quantum Junction Photovoltaics by Jia, Yuwen, Wang, Haibin, Wang, Yinglin, Wang, Chao, Li, Xiaofei, Kubo, Takaya, Liu, Yichun, Zhang, Xintong, Segawa, Hiroshi

“…Solution‐processed solar cells are promising for the cost‐effective, high‐throughput production of photovoltaic devices. Colloidal quantum dots (CQDs) are…”
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Tunneling‐Assisted Trapping as one of the Possible Mechanisms for the Origin of Hysteresis in Perovskite Solar Cells by Almosni, Samy, Cojocaru, Ludmila, Li, Debin, Uchida, Satoshi, Kubo, Takaya, Segawa, Hiroshi

“…Perovskite solar cells (PSCs) are among the promising candidates to reach the highest efficiency among single‐junction solar cells due to their band gap around…”
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Investigation of plasmonic gold–silica core–shell nanoparticle stability in dye-sensitized solar cell applications by Törngren, Björn, Akitsu, Kenta, Ylinen, Anne, Sandén, Simon, Jiang, Hua, Ruokolainen, Janne, Komatsu, Makoto, Hamamura, Tomofumi, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi, Österbacka, Ronald, Smått, Jan-Henrik

“…[Display omitted] •Gold nanoparticles were coated with thin SiO2 shells by various synthesis methods.•The coating coverage and thickness is greatly affected by…”
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Direct Confirmation of Distribution for Cl− in CH3NH3PbI3−xClx Layer of Perovskite Solar Cells by Cojocaru, Ludmila, Uchida, Satoshi, Matsubara, Daiki, Matsumoto, Hiroaki, Ito, Katsuji, Otsu, Yoshihiro, Chapon, Patrick, Nakazaki, Jotaro, Kubo, Takaya, Segawa, Hiroshi

“…Distribution of Cl− in the CH3NH3PbI3−xClx layer of perovskite solar cells has been investigated using glow-discharge optical emission spectrometry (GD-OES)…”
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Energy-storable Dye-sensitized Solar Cells with Interdigitated Nafion/Polypyrrole–Pt Comb-like Electrodes by Saito, Yosuke, Ogawa, Akira, Uchida, Satoshi, Kubo, Takaya, Segawa, Hiroshi

“…A single plate storage battery composed of Nafion-coated polypyrrole and I3−,I−|Pt electrodes in an interdigitated comb-like structure was set in an…”
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