Near-IR Light-Induced Electron Transfer via Dynamic QuenchingClick to copy article linkArticle link copied!
- Takafumi EnomotoTakafumi EnomotoDepartment of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, JapanSOKENDAI [The Graduate University for Advanced Studies], Shonan Village, Hayama, Kanagawa 240-0193, JapanMore by Takafumi Enomoto
- Mio KondoMio KondoDepartment of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, JapanSOKENDAI [The Graduate University for Advanced Studies], Shonan Village, Hayama, Kanagawa 240-0193, JapanACT-C, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, JapanResearch Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science (IMS), 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, JapanMore by Mio Kondo
- Mizue AsadaMizue AsadaDepartment of Materials Molecular Science, Institute for Molecular Science (IMS), 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, JapanMore by Mizue Asada
- Toshikazu NakamuraToshikazu NakamuraSOKENDAI [The Graduate University for Advanced Studies], Shonan Village, Hayama, Kanagawa 240-0193, JapanDepartment of Materials Molecular Science, Institute for Molecular Science (IMS), 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, JapanMore by Toshikazu Nakamura
- Shigeyuki Masaoka*Shigeyuki Masaoka*E-mail: [email protected]Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, JapanSOKENDAI [The Graduate University for Advanced Studies], Shonan Village, Hayama, Kanagawa 240-0193, JapanResearch Center of Integrative Molecular Systems (CIMoS), Institute for Molecular Science (IMS), 38 Nishigo-naka, Myodaiji, Okazaki, Aichi 444-8585, JapanMore by Shigeyuki Masaoka
Abstract
The utilization of near-infrared light is an important objective for the high-efficiency utilization of solar energy. Here, we describe a new class of a near-infrared light-induced electron transfer system using a distorted phthalocyanine as a photosensitizer. We revealed that the appropriate modification of distorted phthalocyanine affords a near-infrared absorbing dye with high photostability and long excitation lifetime, and a near-infrared light-induced electron transfer system was successfully established using the dye. The mechanistic investigation clarified that the electron transfer system works via a dynamic quenching mechanism. The system generated a long-lived anion radical species of the dye upon near-infrared light irradiation (>750 nm).
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