Photocatalysis Enhanced by External Fields,Angewandte Chemie International Edition

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Photocatalysis Enhanced by External Fields
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2020-08-07 , DOI: 10.1002/anie.202009518
Cheng Hu ₁ , Shuchen Tu ₁ , Na Tian ₁ , Tianyi Ma ₂ , Yihe Zhang ₁ , Hongwei Huang ₁

Affiliation

The efficient conversion of solar energy by means of photocatalysis shows huge potential to relieve the ongoing energy crisis and increasing environmental pollution. However, unsatisfactory conversion efficiency still hinders its practical application. The introduction of external fields can remarkably enhance the photocatalytic performance of semiconductors from the inside out. This review focuses on recent advances in the application of diverse external fields, including microwaves, mechanical stress, temperature gradient, electric field, magnetic field, and coupled fields, to boost photocatalytic reactions, for applications in, for example, contaminant degradation, water splitting, CO₂ reduction, and bacterial inactivation. The relevant reinforcement mechanisms of photoabsorption, the transport and separation of photoinduced charges, and adsorption of reagents by the external fields are highlighted. Finally, the challenges and outlook for the development of external-field-enhanced photocatalysis are presented.

中文翻译：

外场增强光催化

通过光催化对太阳能的高效转化在缓解持续的能源危机和日益严重的环境污染方面显示出巨大的潜力。然而，转换效率不理想仍然阻碍了其实际应用。外场的引入可以从内到外显着提高半导体的光催化性能。本综述侧重于应用各种外部场（包括微波、机械应力、温度梯度、电场、磁场和耦合场）来促进光催化反应的最新进展，例如在污染物降解、水分解中的应用，CO ₂减少和细菌灭活。强调了光吸收的相关增强机制、光致电荷的传输和分离以及外场对试剂的吸附。最后，提出了外场增强光催化发展的挑战和展望。

更新日期：2020-08-07

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