Fabrication of 2D/0D Heterojunction Based on the Dual Controls of Micro/Nano-Morphology and Structure Towards High-Efficiency Photocatalytic H2 Production

被引：16

作者：

Dong, Hongjun ^{[1
]}

Hong, Shihuan ^{[1
]}

Zuo, Yan ^{[1
]}

Zhang, Xiaoxu ^{[1
]}

Lu, Zhiyuan ^{[1
]}

Han, Juan ^{[2
]}

Wang, Lei ^{[1
]}

Ni, Liang ^{[1
]}

Li, Chunmei ^{[1
]}

Wang, Yun ^{[1
]}

机构：

[1] Jiangsu Univ, Sch Chem & Chem Engn, Inst Green Chem & Chem Technol, Zhenjiang 212013, Jiangsu, Peoples R China

[2] Jiangsu Univ, Sch Food & Biol Engn, Zhenjiang 212013, Jiangsu, Peoples R China

来源：

CHEMCATCHEM | 2019年 / 11卷 / 24期

基金：

中国国家自然科学基金;

关键词：

Photocatalytic H-2 production; Ultrathin porous structure; 2D; 0D heterojunction; Dual control strategy; Ni-N bond states; GRAPHITIC CARBON NITRIDE; HYDROGEN EVOLUTION; G-C3N4; NANOSHEETS; PERFORMANCE; REDUCTION; NANOPARTICLES; TETRACYCLINE; DEGRADATION; COCATALYSTS; ENHANCEMENT;

D O I：

10.1002/cctc.201901618

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

It is a keen interest to fabricate heterojunction among semiconductors with different dimensions for improving the photocatalytic performance. Herein, the 2D/0D up-g-C3N4/Ni12P5 heterojunctions were prepared by means of anchoring Ni12P5 nanodots on the surface of ultrathin porous carbon nitride (up-g-C3N4) nanosheets based on the dual control strategy of micro/nano- morphology and structure. The prepared 2D/0D up-g-C3N4/Ni12P5 heterojunctions exhibit the far more outstanding photocatalytic H-2 production activity in comparison with the up-g-C3N4, up-g-C3N4/Pt-3 % and u-g-C3N4/Ni12P5-3 % samples and the superior cycle stability. The prominent photocatalytic H-2 production activity and stability originate from the improved visible light harvest ability and separation efficiency of charge carriers owing to the modification effect of Ni12P5 nanodots as cocatalysts on the surface of up-g-C3N4 nanosheets through forming the Ni-N bond states.

引用

页码：6263 / 6269

页数：7

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