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2D-2D MnO2/g-C3N4heterojunction photocatalyst: In-situ synthesis and enhanced CO2reduction activity
Wang, Min1,2; Shen, Meng1,2; Zhang, Lingxia1; Tian, Jianjian1,3; Jin, Xixiong1,2; Zhou, Yajun1,2; Shi, Jianlin1
2017
发表期刊Carbon
ISSN00086223
卷号120页码:23-31
摘要A novel MnO2/g-C3N4heterojunction composite was synthesized via a simple in-situ redox reaction between KMnO4and MnSO4·H2O adsorbed on the surface of g-C3N4for the first time. MnO2featuring 2D δ-phase layered structure was intimately attached onto the surface of g-C3N4layers via [sbnd]C[sbnd]O[sbnd] bonding. Notably, the synthesized MnO2/g-C3N4photocatalyst showed substantially enhanced photocatalytic activity in the reduction of CO2than pure g-C3N4and MnO2. The highest CO production amount of 9.6 μmol g−1 has been obtained at an optimized loading amount of MnO2under 1 h irradiation of a 300 W Xe lamp. The incorporation of narrow band gap MnO2on the surface of g-C3N4enhanced its light harvesting ability. And the solid hetero-interface between MnO2and g-C3N4together with their well matched band structure was favorable for the separation of photo-induced carriers, consequently enhanced its photocatalytic activity. This novel 2D-2D MnO2/g-C3N4heterostructure is expected to have great potentials in CO2photoreduction. © 2017
DOI10.1016/j.carbon.2017.05.024
EI入藏号20171903658561
EI主题词Sulfur compounds
EI分类号714.2 Semiconductor Devices and Integrated Circuits - 802.2 Chemical Reactions - 803 Chemical Agents and Basic Industrial Chemicals - 804 Chemical Products Generally - 804.2 Inorganic Compounds
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25605
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, 19 Yuquan Road, Beijing; 100049, China;
3.School of Materials Science and Engineering, Shanghai University, 99 Shangda Road, Shanghai; 200444, China
推荐引用方式
GB/T 7714
Wang, Min,Shen, Meng,Zhang, Lingxia,et al. 2D-2D MnO2/g-C3N4heterojunction photocatalyst: In-situ synthesis and enhanced CO2reduction activity[J]. Carbon,2017,120:23-31.
APA Wang, Min.,Shen, Meng.,Zhang, Lingxia.,Tian, Jianjian.,Jin, Xixiong.,...&Shi, Jianlin.(2017).2D-2D MnO2/g-C3N4heterojunction photocatalyst: In-situ synthesis and enhanced CO2reduction activity.Carbon,120,23-31.
MLA Wang, Min,et al."2D-2D MnO2/g-C3N4heterojunction photocatalyst: In-situ synthesis and enhanced CO2reduction activity".Carbon 120(2017):23-31.
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