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Li H, Lei H, Ma S, Song T, Li Y, Yu H. Capturing Doublet Intermediate Emitters by Chemically Crosslinking Confinement towards Spatiotemporal Encryption. Angew Chem Int Ed Engl 2024; 63:e202312185. [PMID: 37985243 DOI: 10.1002/anie.202312185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
Photoluminescence is one of the most meticulous ways to manipulate light energy. Typical photoluminescent emitters are mostly stable substances with a pure photophysical process of spontaneous photon-emission from their excited states. Intermediate emitters are elusive attributing to their synchronous energy transfer process including photophysical and incomplete photochemical pathways. An intermediate emitter containing radicals is more difficult to be observed due to its inherent chemical reactivity. Here, these challenges are overcome by spontaneously formed space limitations in polymer crosslinking networks meanwhile chemically active intermediates are captured. These doublet intermediates exhibit unique long-wavelength emissions under chemically crosslinking confinement conditions, and their luminous mechanism provides a novel perspective for designing intermediate emitters with liquid-crystal character and photoresponsive features towards spatiotemporal encryption, promising for the detection of photochemical reactions and the development of fascinating luminescent systems.
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Affiliation(s)
- Haomin Li
- School of Materials Science and Engineering, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
- School of Materials Science and Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing, 100871, China
| | - Huanyu Lei
- South China Advanced Institute for Soft Matter Science and Technology, School of Molecular Science and Engineering, South China University of Technology, Guangzhou, 510641, China
| | - Shudeng Ma
- School of Materials Science and Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing, 100871, China
| | - Tianfu Song
- School of Materials Science and Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing, 100871, China
| | - Yan Li
- School of Materials Science and Engineering, Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100191, China
| | - Haifeng Yu
- School of Materials Science and Engineering, Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing, 100871, China
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Kipriyanov AA, Melnikov AR, Stass DV, Doktorov AB. Comparison of exciplex generation under optical and X-ray excitation. J Chem Phys 2017; 147:094102. [DOI: 10.1063/1.5001019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- A. A. Kipriyanov
- V.V. Voevodsky Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia
| | - A. R. Melnikov
- V.V. Voevodsky Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - D. V. Stass
- V.V. Voevodsky Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - A. B. Doktorov
- V.V. Voevodsky Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
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Fedorenko SG, Burshtein AI. Kinetics of exciplex formation/dissipation in reaction following Weller Scheme II. J Chem Phys 2014; 141:114504. [DOI: 10.1063/1.4895625] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- S. G. Fedorenko
- Voevodsky Institute of Chemical Kinetics and Combustion, Novosibirsk, Russia
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