| 梁海欧,许瞳,白杰,李春萍.化学通报,2022,85(1):72-77,51. |
| 类石墨相氮化碳改性研究进展 |
| Research Advances in the modification of Graphitic Carbon Nitride |
| 投稿时间：2021-05-01 修订日期：2021-05-13 |
| DOI： |
| 中文关键词: 石墨相氮化碳 改性 异质结构 光催化 |
| 英文关键词:g-C3N4, Modification, Heterostructure, Photocatalytic |
| 基金项目:国家自然科学基金项目(51772158)资助 |
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| 中文摘要: |
| 类石墨相氮化碳(g-C3N4)是一种不含金属的半导体材料,它具有制备方法简单、合成原材料价格低廉、含量丰富,具有很好的物理化学及热稳定性等优点,并且其较窄的禁带宽度满足可以直接吸收一部分可见光的要求,这些特有的优势使其一度成为人们研究和关注的焦点。然而,它的表面积小、光生电子和空穴复合率高以及可见光利用率不足等弊端也一直是人们努力尝试解决的问题。本文着眼于近年来g-C3N4改性的研究手段,主要论述了人们通过非金属掺杂、表面缺陷构建、热剥离、贵金属沉积和半导体异质结构建等方式对g-C3N4进行改性的研究进展,分析了不同手段对g-C3N4的光催化性能增强的作用,并对未来g-C3N4材料改性发展做出了展望。 |
| 英文摘要: |
| Graphite-like carbon nitride (g-C3N4) is a free of metals semiconductor which comprises easy preparation, low prices, rich content and super physical and chemical properties, in addition, it can absorb the visible light due to its narrow bandgap, and hence, the g-C3N4 is becoming a research hotspot. However, the drawbacks of low specific surface area, high recombination rate of photoelectrons and holes and poor absorbed visible light which was the researchers are trying to resolve. This paper reviews the modified strategies of g-C3N4, which including non-metal doping, surface defects, noble metal modifying and constructed heterostructure composite etc. The enhanced of photocatalytic performances are analyzed and the prospects for future investigations of g-C3N4 are proposed. |
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