Hiroshi Segawa
Hiroshi Segawa
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Small photocarrier effective masses featuring ambipolar transport in methylammonium lead iodide perovskite: a density functional analysis
G Giorgi, JI Fujisawa, H Segawa, K Yamashita
The journal of physical chemistry letters 4 (24), 4213-4216, 2013
Substituent-control exciton in J-aggregates of protonated water-insoluble porphyrins
S Okada, H Segawa
Journal of the American Chemical Society 125 (9), 2792-2796, 2003
Hysteresis-free perovskite solar cells made of potassium-doped organometal halide perovskite
Z Tang, T Bessho, F Awai, T Kinoshita, MM Maitani, R Jono, TN Murakami, ...
Scientific reports 7 (1), 1-7, 2017
Wideband dye-sensitized solar cells employing a phosphine-coordinated ruthenium sensitizer
T Kinoshita, JT Dy, S Uchida, T Kubo, H Segawa
Nature Photonics 7 (7), 535-539, 2013
The main progress of perovskite solar cells in 2020–2021
T Wu, Z Qin, Y Wang, Y Wu, W Chen, S Zhang, M Cai, S Dai, J Zhang, ...
Nano-Micro Letters 13, 1-18, 2021
Tunable photonic band gap crystals based on a liquid crystal-infiltrated inverse opal structure
S Kubo, ZZ Gu, K Takahashi, A Fujishima, H Segawa, O Sato
Journal of the American Chemical Society 126 (26), 8314-8319, 2004
Cation role in structural and electronic properties of 3D organic–inorganic halide perovskites: A DFT analysis
G Giorgi, JI Fujisawa, H Segawa, K Yamashita
The Journal of Physical Chemistry C 118 (23), 12176-12183, 2014
Material challenges for solar cells in the twenty-first century: directions in emerging technologies
S Almosni, A Delamarre, Z Jehl, D Suchet, L Cojocaru, M Giteau, ...
Science and Technology of advanced MaTerialS 19 (1), 336-369, 2018
PbS-quantum-dot-based heterojunction solar cells utilizing ZnO nanowires for high external quantum efficiency in the near-infrared region
H Wang, T Kubo, J Nakazaki, T Kinoshita, H Segawa
The Journal of Physical Chemistry Letters 4 (15), 2455-2460, 2013
Efficiency enhancement of PbS quantum dot/ZnO nanowire bulk-heterojunction solar cells by plasmonic silver nanocubes
T Kawawaki, H Wang, T Kubo, K Saito, J Nakazaki, H Segawa, T Tatsuma
ACS nano 9 (4), 4165-4172, 2015
Efficient and stable tin perovskite solar cells enabled by amorphous-polycrystalline structure
X Liu, Y Wang, T Wu, X He, X Meng, J Barbaud, H Chen, H Segawa, ...
Nature communications 11 (1), 2678, 2020
Modulations of various alkali metal cations on organometal halide perovskites and their influence on photovoltaic performance
Z Tang, S Uchida, T Bessho, T Kinoshita, H Wang, F Awai, R Jono, ...
Nano Energy 45, 184-192, 2018
Organic–inorganic hybrid lead iodide perovskite featuring zero dipole moment guanidinium cations: a theoretical analysis
G Giorgi, JI Fujisawa, H Segawa, K Yamashita
The Journal of Physical Chemistry C 119 (9), 4694-4701, 2015
Synthesis of novel porphyrin arrays directly-linked through the meso-carbons
K Susumu, T Shimidzu, K Tanaka, H Segawa
Tetrahedron letters 37 (46), 8399-8402, 1996
Templated growth of FASnI 3 crystals for efficient tin perovskite solar cells
X Liu, T Wu, JY Chen, X Meng, X He, T Noda, H Chen, X Yang, H Segawa, ...
Energy & Environmental Science 13 (9), 2896-2902, 2020
Highly efficient 17.6% tin–lead mixed perovskite solar cells realized through spike structure
G Kapil, TS Ripolles, K Hamada, Y Ogomi, T Bessho, T Kinoshita, ...
Nano letters 18 (6), 3600-3607, 2018
Spectral splitting photovoltaics using perovskite and wideband dye-sensitized solar cells
T Kinoshita, K Nonomura, N Joong Jeon, F Giordano, A Abate, S Uchida, ...
Nature communications 6 (1), 8834, 2015
Surface Treatment of the Compact TiO2 Layer for Efficient Planar Heterojunction Perovskite Solar Cells
L Cojocaru, S Uchida, Y Sanehira, J Nakazaki, T Kubo, H Segawa
Chemistry Letters 44 (5), 674-676, 2015
Self‐Organized Superlattice and Phase Coexistence inside Thin Film Organometal Halide Perovskite
TW Kim, S Uchida, T Matsushita, L Cojocaru, R Jono, K Kimura, ...
Advanced Materials 30 (8), 1705230, 2018
Research direction toward theoretical efficiency in perovskite solar cells
NG Park, H Segawa
Acs Photonics 5 (8), 2970-2977, 2018
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