K
Koji Harano
Researcher at University of Tokyo
Publications - 75
Citations - 2300
Koji Harano is an academic researcher from University of Tokyo. The author has contributed to research in topics: Chemistry & Molecule. The author has an hindex of 22, co-authored 66 publications receiving 1806 citations.
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Journal ArticleDOI
Chemical Pathways Connecting Lead(II) Iodide and Perovskite via Polymeric Plumbate(II) Fiber.
Yunlong Guo,Kazutaka Shoyama,Wataru Sato,Yutaka Matsuo,Kento Inoue,Koji Harano,Chao Liu,Hideyuki Tanaka,Eiichi Nakamura +8 more
TL;DR: The whole process of the lead perovskite synthesis consists of a series of equilibria driven by reversible solvent participation involving a polymeric strip of plumbate(II) oligomer as a key intermediate, which will help to rationalize the photovoltaic device studies that have so far remained empirical and to open a new venue to a developing field of microscale lead pervskite devices.
Journal ArticleDOI
Enhancement in the efficiency of an organic–inorganic hybrid solar cell with a doped P3HT hole-transporting layer on a void-free perovskite active layer
TL;DR: In this paper, the power conversion efficiency of an organic-inorganic hybrid solar cell was achieved by the use of suitably doped poly(3-hexylthiophene-2,5-diyl) (P3HT) spin coated on a 99.5% void-free perovskite layer prepared on a TiOx electron-transporting layer.
Journal ArticleDOI
3 nm-Scale molecular switching between fluorescent coordination capsule and nonfluorescent cage.
TL;DR: A 3 nm-sized cage-shaped Hg6L4 complex with large openings was quantitatively formed from trismonodentate ligand and Hg2+ ions in a self-assembled manner, coupled with reversible ON/OFF switching of fluorescence between fluorescent H g6L8 capsule and nonfluorescent Hg 6L4 cage.