Dynamic Self-Assembly Encodes A Tri-stable Au-TiO<sub>2</sub> Photocatalyst.

Zhang, Qi; Wang, Wen-Zhi; Yu, Jing-Jing; Qu, Da-Hui; Tian, He · Adv Mater · 2017

basic_science · Level V

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Abstract

A tri-stable switchable catalyst is encoded by pH-controlled dynamic self-assembly of gold and TiO<sub>2</sub> nanoparticles (NPs). Through precise adjustment of the integrated dynamic covalent and noncovalent self-assembly process of the two types of nanoparticles, the photocatalytic activity of the hybrid system is modulated by switching pH conditions between tri-stable "highly active", "active", and "inactive" states.