| All-polymer solar cell with high near-infrared response based on a naphthodithiophene diimide (NDTI) copolymer E Zhou, M Nakano, S Izawa, J Cong, I Osaka, K Takimiya, K Tajima ACS Macro Letters 3 (9), 872-875, 2014 | 113 | 2014 |
| Efficient solid-state photon upconversion enabled by triplet formation at an organic semiconductor interface S Izawa, M Hiramoto Nature Photonics 15 (12), 895-900, 2021 | 69 | 2021 |
| Enhancement of VOC without Loss of JSC in Organic Solar Cells by Modification of Donor/Acceptor Interfaces Y Zhong, A Tada, S Izawa, K Hashimoto, K Tajima Advanced Energy Materials 4 (5), 1301332, 2014 | 67 | 2014 |
| Dominant effects of first monolayer energetics at donor/acceptor interfaces on organic photovoltaics. S Izawa, K Nakano, K Suzuki, K Hashimoto, K Tajima Advanced Materials (Deerfield Beach, Fla.) 27 (19), 3025-3031, 2015 | 61 | 2015 |
| Crystallization-Induced Energy Level Change of [6,6]-Phenyl-C61-Butyric Acid Methyl Ester (PCBM) Film: Impact of Electronic Polarization Energy Y Zhong, S Izawa, K Hashimoto, K Tajima, T Koganezawa, H Yoshida The Journal of Physical Chemistry C 119 (1), 23-28, 2015 | 51 | 2015 |
| Parts‐per‐million‐level doping effects in organic semiconductor films and organic single crystals M Hiramoto, M Kikuchi, S Izawa Advanced Materials 31 (1), 1801236, 2019 | 50 | 2019 |
| Efficient charge generation and collection in organic solar cells based on low band gap dyad molecules S Izawa, K Hashimoto, K Tajima Chemical Communications 47 (22), 6365-6367, 2011 | 44 | 2011 |
| Morphological stability of organic solar cells based upon an oligo (p-phenylenevinylene)–C 70 dyad S Izawa, K Hashimoto, K Tajima Physical Chemistry Chemical Physics 14 (46), 16138-16142, 2012 | 38 | 2012 |
| Hall Effect in Bulk‐Doped Organic Single Crystals C Ohashi, S Izawa, Y Shinmura, M Kikuchi, S Watase, M Izaki, H Naito, ... Advanced Materials 29 (23), 1605619, 2017 | 35 | 2017 |
| Efficient interfacial upconversion enabling bright emission at an extremely low driving voltage in organic light‐emitting diodes S Izawa, M Morimoto, S Naka, M Hiramoto Advanced Optical Materials 10 (4), 2101710, 2022 | 30 | 2022 |
| Crystallization and polymorphism of organic semiconductor in thin film induced by surface segregated monolayers S Izawa, K Nakano, K Suzuki, Y Chen, T Kikitsu, D Hashizume, ... Scientific Reports 8 (1), 481, 2018 | 29 | 2018 |
| Development of perylene-based non-fullerene acceptors through bay-functionalization strategy K Fujimoto, M Takahashi, S Izawa, M Hiramoto Materials 13 (9), 2148, 2020 | 28 | 2020 |
| Li@ C60 endohedral fullerene as a supraatomic dopant for C60 electron-transporting layers promoting the efficiency of perovskite solar cells H Ueno, I Jeon, H Lin, A Thote, T Nakagawa, H Okada, S Izawa, ... Chemical Communications 55 (79), 11837-11839, 2019 | 28 | 2019 |
| Effect of band bending and energy level alignment at the donor/acceptor interface on open-circuit voltage in organic solar cells S Izawa, N Shintaku, M Hiramoto The Journal of Physical Chemistry Letters 9 (11), 2914-2918, 2018 | 28 | 2018 |
| Importance of interfacial crystallinity to reduce open-circuit voltage loss in organic solar cells S Izawa, N Shintaku, M Kikuchi, M Hiramoto Applied Physics Letters 115 (15), 2019 | 26 | 2019 |
| Doping for controlling open-circuit voltage in organic solar cells N Shintaku, M Hiramoto, S Izawa The Journal of Physical Chemistry C 122 (10), 5248-5253, 2018 | 23 | 2018 |
| Synthesis, characterization, and photovoltaic properties of diketopyrrolopyrrole-oligothiophene/fullerene dyads S Izawa, K Hashimoto, K Tajima Synthetic Metals 162 (24), 2201-2205, 2012 | 22 | 2012 |
| Interface-induced crystallization and nanostructure formation of [6, 6]-phenyl-C 61-butyric acid methyl ester (PCBM) in polymer blend films and its application in photovoltaics Y Zhong, K Suzuki, D Inoue, D Hashizume, S Izawa, K Hashimoto, ... Journal of Materials Chemistry A 4 (9), 3335-3341, 2016 | 21 | 2016 |
| Effect of trap-assisted recombination on open-circuit voltage loss in phthalocyanine/fullerene solar cells N Shintaku, M Hiramoto, S Izawa Organic Electronics 55, 69-74, 2018 | 20 | 2018 |
| Organic pn homojunction solar cell S Izawa, A Perrot, JH Lee, M Hiramoto Organic Electronics 71, 45-49, 2019 | 17 | 2019 |
