黄色g-CN在具有优异光催化活性的红色g-CN纳米片上的边缘外延生长。
The edge-epitaxial growth of yellow g-CN on red g-CN nanosheets with superior photocatalytic activities.
作者信息
Zhang Xiao, Yang Ping, Jiang San Ping
机构信息
Fuels and Energy Technology Institute and Western Australia School of Mines: Minerals, Energy and Chemical Engineering, Curtin University, Perth WA6845, Australia.
出版信息
Chem Commun (Camb). 2021 Mar 28;57(25):3119-3122. doi: 10.1039/d1cc00209k. Epub 2021 Feb 25.
g-CN has been used as a photocatalyst to overcome the issues of environmental crises and energy shortages. Here, red g-CN nanosheets (E: ∼ 1.89 eV) were used as seeds for the edge-epitaxial growth of yellow g-CN (E: ∼ 2.59 eV) to form type II heterostructures. The heterostructures revealed superior photocatalytic activity for enhanced H (3996 μmol g h), CO (3.8 μmol g h), and CH (1.8 μmol g h) evolution.
石墨相氮化碳（g-CN）已被用作光催化剂，以克服环境危机和能源短缺问题。在此，红色g-CN纳米片（带隙：约1.89电子伏特）被用作种子，用于黄色g-CN（带隙：约2.59电子伏特）的边缘外延生长，以形成II型异质结构。这些异质结构在增强氢气（3996微摩尔每克每小时）、一氧化碳（3.8微摩尔每克每小时）和甲烷（1.8微摩尔每克每小时）析出方面表现出优异的光催化活性。
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