当前位置：
X-MOL 学术
›
Chem. Soc. Rev.
›
论文详情
Our official English website, www.x-mol.net, welcomes your
feedback! (Note: you will need to create a separate account there.)
Fundamentals and challenges of ultrathin 2D photocatalysts in boosting CO2 photoreduction.
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-08-14 , DOI: 10.1039/d0cs00332h Xingchen Jiao 1 , Kai Zheng , Liang Liang , Xiaodong Li , Yongfu Sun , Yi Xie
Chemical Society Reviews ( IF 40.4 ) Pub Date : 2020-08-14 , DOI: 10.1039/d0cs00332h Xingchen Jiao 1 , Kai Zheng , Liang Liang , Xiaodong Li , Yongfu Sun , Yi Xie
Affiliation
|
Carbon dioxide photoreduction currently suffers from low photoconversion efficiency and poor product selectivity. Ultrathin two-dimensional materials, which possess highly active sites with high density and high uniformity, can serve as ideal models to tailor three crucial parameters that determine the carbon dioxide photoconversion efficiency and product selectivity. In this review, we summarize the extended absorption spectrum range enabled by ultrathin two-dimensional semiconductors with defect levels and intermediate bands, as well as conductors with special partially occupied bands. Moreover, we overview the boosted carrier separation efficiency aroused by ultrathin two-dimensional semiconductors with defect states, surface polarization states and built-in electric fields. We also review the accelerated redox reaction kinetics induced by ultrathin two-dimensional semiconductors with in-plane heterostructures, isolated single atoms and abundant low-coordinated dual-metal sites. Finally, we end this review with an outlook on unsolved issues concerning highly selective and efficient photo-conversion of carbon dioxide into C2+ products by ultrathin two-dimensional materials with dual or multiple active sites.
中文翻译：
超薄2D光催化剂在促进CO2光还原方面的基本原理和挑战。
二氧化碳的光还原目前遭受光转化效率低和产物选择性差的困扰。具有高活性位点，高密度和高均匀度的超薄二维材料可以用作理想模型，以定制决定二氧化碳光转化效率和产物选择性的三个关键参数。在这篇综述中，我们总结了具有缺陷能级和中间带的超薄二维半导体以及具有特殊部分占据带的导体所能实现的扩展吸收光谱范围。此外，我们概述了具有缺陷状态，表面极化状态和内置电场的超薄二维半导体所提高的载流子分离效率。我们还审查了由具有平面内异质结构，孤立的单原子和丰富的低配位双金属位点的超薄二维半导体诱导的加速氧化还原反应动力学。最后，我们以对二氧化碳的高度选择性和高效光转化为C的未解决问题的展望结束了本综述2+产品由具有两个或多个活性位点的超薄二维材料制成。
更新日期：2020-09-21
中文翻译：
超薄2D光催化剂在促进CO2光还原方面的基本原理和挑战。
二氧化碳的光还原目前遭受光转化效率低和产物选择性差的困扰。具有高活性位点，高密度和高均匀度的超薄二维材料可以用作理想模型，以定制决定二氧化碳光转化效率和产物选择性的三个关键参数。在这篇综述中，我们总结了具有缺陷能级和中间带的超薄二维半导体以及具有特殊部分占据带的导体所能实现的扩展吸收光谱范围。此外，我们概述了具有缺陷状态，表面极化状态和内置电场的超薄二维半导体所提高的载流子分离效率。我们还审查了由具有平面内异质结构，孤立的单原子和丰富的低配位双金属位点的超薄二维半导体诱导的加速氧化还原反应动力学。最后，我们以对二氧化碳的高度选择性和高效光转化为C的未解决问题的展望结束了本综述2+产品由具有两个或多个活性位点的超薄二维材料制成。
京公网安备 11010802027423号