Driving Click Reactions with Plasmonic Hot Holes on (Au Core)@(Cu2O Shell) Nanostructures for Regioselective Production of 1,2,3-Triazoles

Driving Click Reactions with Plasmonic Hot Holes on (Au Core)@(Cu2O Shell) Nanostructures for Regioselective Production of 1,2,3-Triazoles
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利用(Au 核)@(Cu2O 壳)纳米结构上的等离激元热孔驱动点击反应,用于区域选择性生产 1,2,3-三唑

DOI:
10.1021/acsanm.1c00220
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发表时间:
2021-05
影响因子:
5.9
通讯作者:
Wang Jianfang
Wang Jianfang
中科院分区:
材料科学2区
文献类型:
--
作者:
Zhang Shouren;Yi Wenjing;Guo Yanzhen;Jiang Ruibin;Chen Xiao-Lan;Yang Baocheng;Wang Jianfang

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在绿色化学中,通过非均相光催化剂驱动有机反应是高度期望的。(等离子体金属)/半导体异质结构可以借助于太阳光的有效等离子体收集而大大提高光催化活性。在此,我们报告了在近红外光照射下使用(等离子体Au纳米球核)@(Cu 2 O壳)纳米结构驱动点击反应。在等离子体激发下,该杂化纳米结构对1,2,3-三唑的区域选择性合成具有优异的催化性能。光照下的点击反应的产率约为相同温度下单独加热反应的两倍。在空穴清除剂甲醇存在下,反应产率降低,表明等离子体热空穴在点击反应中起着至关重要的作用。我们的研究结果和所获得的理解将是有价值的高性能等离子体光催化剂的设计不同的区域选择性的有机反应。
Driving organic reactions by heterogeneous photocatalysts is highly desired in green chemistry. (Plasmonic metal)/semiconductor heterostructures can greatly increase the photocatalytic activity by virtue of effective plasmonic harvesting of sunlight. Herein, we report on the driving of click reactions using (plasmonic Au nanosphere core)@(Cu2O shell) nanostructures under near-infrared light illumination. Upon plasmon excitation, the hybrid nanostructures exhibit excellent catalytic performance for the regioselective production of 1,2,3-triazoles. The yields of the click reactions under light illumination are about two times those of the reactions under sole thermal heating at the same temperatures. The reduced reaction yields in the presence of methanol, a hole scavenging agent, suggest that the plasmonic hot holes play a crucial role in the click reactions. Our results and the gained understanding will be valuable for the design of high-performance plasmonic photocatalysts for different regioselective organic reactions.
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