Overall Surfacial Antenna Immobilization Boosts Carrier Migration for Visible Light Superoxide Generation,The Journal of Physical Chemistry Letters

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Overall Surfacial Antenna Immobilization Boosts Carrier Migration for Visible Light Superoxide Generation
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2022-10-31 , DOI: 10.1021/acs.jpclett.2c02993
Tian Shi ₁ , Lei Li ₁ , Zhihao Li ₁ , Gang Chen ₁ , Hui Wang _{1,

2} , Xiaodong Zhang _{1,

2} , Yi Xie _{1,

2}

Affiliation

The artificial photosynthesis efficiency is restricted for the covering of introduced light-absorbing antennas, where they could generally be immobilized at specific surface sites of semiconductors. Here, we highlight the emerging π–π interaction strategies in realizing overall surfacial antenna immobilization onto semiconductor supports, during which large-scale built-in electric fields are established, strongly driving photocarrier migration to catalytic centers accompanied with enhanced light absorption. By taking porphyrin and ZIF-8 as a prototype, both theoretical calculation and experimental results show that the photocatalytic systems with overall surfacial antennas could absorb broader visible light and form abundant photocarrier transport pathways from porphyrin to ZIF-8, boosting the generation of superoxide and organic synthesis efficiency. This work develops a universal strategy for design of efficient artificial photosynthetic systems.

中文翻译：

整体表面天线固定促进载流子迁移以产生可见光超氧化物

人工光合作用的效率受到引入的光吸收天线覆盖的限制，它们通常可以固定在半导体的特定表面位置。在这里，我们强调了新兴的 π-π 相互作用策略，以实现将整体表面天线固定到半导体载体上，在此期间建立了大规模的内置电场，强烈推动光载流子向催化中心迁移，同时增强了光吸收。以卟啉和ZIF-8为原型，理论计算和实验结果均表明，具有整体表面天线的光催化体系可以吸收更广泛的可见光，并形成从卟啉到ZIF-8的丰富的光载流子传输途径，促进超氧化物的产生和有机合成效率。这项工作开发了一种用于设计高效人工光合系统的通用策略。

更新日期：2022-10-31

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