Construction of artificial light-harvesting system based on host-guest interactions of sulfobutylether-β-cyclodextrin and its application in photocatalysis

Environmental Surfaces and Interfaces Pub Date : 2023-09-25 DOI:10.1016/j.esi.2023.07.001

Chao-Qun Ma , Ning Han , Rong-Zhen Zhang , Sheng-Nan Lin , Zhijie Chen , Hui Liu , Shengsheng Yu , Rui-Zhi Dong , Yue-Bo Wang , Bing-Jie Ni , Ling-Bao Xing

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引用次数: 1

Abstract

Light-harvesting systems (LHSs) play an important role in natural photosynthesis for converting light energy into chemical energy, which paves a prospective way for the exploitation of renewable energy resources. In this work, two artificial light-harvesting systems with an efficient energy transfer were constructed successfully in the aqueous media based on sulfobutylether-β-cyclodextrin (β-CD) and curcumin (Cur) through host-guest interactions, in which two different fluorescence dyes, sulforhodamine (SR101) and Nile blue (NiB) were employed as energy acceptors. The obtained artificial LHSs can achieve an efficient energy transfer process from β-CD+Cur to SR101 or NiB with energy transfer efficiencies of up to 16.3% and 15.8%, respectively. The energy harvested by the acceptors (SR101 and NiB) was used for photocatalysis in the aqueous phase dehalogenation of the α-bromoacetophenone reaction with a yield of up to 80%.

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基于巯基丁醚-β-环糊精主客体相互作用的人工捕光体系的构建及其在光催化中的应用

集光系统在自然光合作用中将光能转化为化学能方面发挥着重要作用，为开发可再生能源铺平了道路。以磺基丁基醚-β-环糊精（β-CD）和姜黄素（Cur）为基质，以磺基罗丹明（SR101）和尼罗蓝（NiB）两种不同的荧光染料为能量受体，通过主客体相互作用，在水性介质中成功构建了两种具有高效能量转移的人工光捕获系统。所获得的人工LHS可以实现从β-CD+Cur到SR101或NiB的有效能量转移过程，能量转移效率分别高达16.3%和15.8%。受体（SR101和NiB）获得的能量用于α-溴代苯乙酮反应的水相脱卤中的光催化，产率高达80%。

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Environmental Surfaces and Interfaces

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