Graphene-Like Carbon Nitride Nanosheets for Improved Photocatalytic Activities
文献类型：期刊论文
| 作者 | P. Niu ; L. L. Zhang ; G. Liu ; H. M. Cheng |
| 刊名 | Advanced Functional Materials
 |
| 出版日期 | 2012 |
| 卷号 | 22期号:22页码:4763-4770 |
| 关键词 | g-C3N4 nanosheets thermal oxidation etching photocatalysis visible-light irradiation metal-free catalysts electronic-structure hydrogen-production semiconductor water conversion polymer oxide crystallinity |
| ISSN号 | 1616-301X |
| 中文摘要 | Graphitic (g)-C3N4 with a layered structure has the potential of forming graphene-like nanosheets with unusual physicochemical properties due to weak van der Waals forces between layers. Herein is shown that g-C3N4 nanosheets with a thickness of around 2 nm can be easily obtained by a simple top-down strategy, namely, thermal oxidation etching of bulk g-C3N4 in air. Compared to the bulk g-C3N4, the highly anisotropic 2D-nanosheets possess a high specific surface area of 306 m2 g-1, a larger bandgap (by 0.2 eV), improved electron transport ability along the in-plane direction, and increased lifetime of photoexcited charge carriers because of the quantum confinement effect. As a consequence, the photocatalytic activities of g-C3N4 nanosheets have been remarkably improved in terms of OH radical generation and photocatalytic hydrogen evolution. |
| 原文出处 | |
| 公开日期 | 2013-02-05 |
| 源URL | [http://ir.imr.ac.cn/handle/321006/60176]  |
| 专题 | 金属研究所_中国科学院金属研究所 |
| 推荐引用方式 GB/T 7714 | P. Niu,L. L. Zhang,G. Liu,et al. Graphene-Like Carbon Nitride Nanosheets for Improved Photocatalytic Activities[J]. Advanced Functional Materials,2012,22(22):4763-4770. |
| APA | P. Niu,L. L. Zhang,G. Liu,&H. M. Cheng.(2012).Graphene-Like Carbon Nitride Nanosheets for Improved Photocatalytic Activities.Advanced Functional Materials,22(22),4763-4770. |
| MLA | P. Niu,et al."Graphene-Like Carbon Nitride Nanosheets for Improved Photocatalytic Activities".Advanced Functional Materials 22.22(2012):4763-4770. |
入库方式： OAI收割
来源：金属研究所
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