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Up- and Down-Conversion in Molecules and Materials

The conversion of excited-state energy in molecules and materials, for example by quantum cutting, singlet fission or upconversion, allows for optical functionality well beyond that of conventional semiconductors. In this collection we focus theoretical and experimental studies of such processes in organic, inorganic and hybrid systems, in which processes including singlet fission, triplet-triplet fusion, and quantum cutting represent highly efficient means for energy conversion. We encouraged contributions from theory and experiment with particular focus on new materials, for example rare-earth doped perovskite materials; materials for energy harvesting and injection, such as inorganic-organic hybrids; and emerging building blocks for upconversion and singlet fission. We also encouraged contributions that report characterization of energy conversion schemes, for example analysis of triplet exciton diffusion by spectroscopy and imaging, and contributions that report new applications of non-linear optical processes, such as near-infrared optogenetics by upconversion, infrared sensitization for imaging, solar cell integration, and photocatalysis.

Guest Editors: Nobuhiro Yanai, Lea Nienhaus, and Bruno Ehrler with JCP Deputy Editor Emily Weiss

Special Collection Image
Suman Devi; Meitram Niraj Luwang
Bruno Ehrler; Nobuhiro Yanai; Lea Nienhaus
Hyeongyu Bae; Dongcheol Park; Kyujin Shin; Hohjai Lee; Kang Min Ok; Kang Taek Lee
M. Löning; L. Lombez; J.-F. Guillemoles; D. Suchet
Xingang Zhao; Youn Jue Bae; Michelle Chen; Samantha M. Harvey; Chenjian Lin; Jiawang Zhou; Richard D. Schaller; Ryan M. Young; Michael R. Wasielewski
Guiying He; Erik Busby; Kannatassen Appavoo; Qin Wu; Jianlong Xia; Luis M. Campos; Matthew Y. Sfeir
David J. Walwark, Jr.; John K. Grey
Yingqi Hu; Yuqi Hou; Zhijia Wang; Yanqin Li; Jianzhang Zhao
Deise F. Barbosa de Mattos; Ambra Dreos; Mark D. Johnstone; August Runemark; Claire Sauvée; Victor Gray; Kasper Moth-Poulsen; Henrik Sundén; Maria Abrahamsson
Abel Carreras; Hanjie Jiang; Pavel Pokhilko; Anna I. Krylov; Paul M. Zimmerman; David Casanova
Ayumi Ishii; Tsutomu Miyasaka
Wangjun Hu; Kewei Sun; Quan Xu; Lipeng Chen; Yang Zhao
J. D. B. Van Schenck; G. Mayonado; J. E. Anthony; M. W. Graham; O. Ostroverkhova
Karunanantharajah Prashanthan; Boris Naydenov; Klaus Lips; Eva Unger; Rowan W. MacQueen
Yuji Sakamoto; Yasunari Tamai; Hideo Ohkita
Eunkyung Cho; Lei Liu; Veaceslav Coropceanu; Jean-Luc Brédas
Takanori Nagami; Takayoshi Tonami; Kenji Okada; Wataru Yoshida; Hajime Miyamoto; Masayoshi Nakano
Dmytro Vorontsov; Galyna Okrepka; Yuriy Khalavka; Jan Valenta
Emily M. Rigsby; Tsumugi Miyashita; Paulina Jaimes; Dmitry A. Fishman; Ming Lee Tang
Diletta Meroni; Angelo Monguzzi; Francesco Meinardi
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