期刊
NEW JOURNAL OF CHEMISTRY
卷 46, 期 9, 页码 4057-4061出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2nj00755j
关键词
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资金
- Leverhulme Trust [RPG-2018-395]
Crystalline binary mixtures of azobenzene and 4-methoxyazobenzene have been reported as photochemical phase change materials with working temperatures ranging from -58 degrees C to 31 degrees C. These materials can store and release up to 266 J g(-1) of latent heat energy.
Traditional phase change materials can store latent heat with high energy density providing they are stored above the phase transition temperature. In contrast, photochemical phase change materials allow latent heat storage at, or below, ambient temperatures and heat release can be triggered using heat or light stimuli. Herein, we report that crystalline binary mixtures of azobenzene and 4-methoxyazobenzene form photochemical phase change materials that possess working temperatures in the range of -58 degrees C to 31 degrees C. These mixtures can store and release up to 266 J g(-1) of latent heat energy.
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