Multifunctional Nitrogen-Doped Carbon Nanodots for Photoluminescence, Sensor, and Visible-Light-Induced H2 Production

被引：28
作者：
Yang, Pengju [1 ,2 ]
Zhao, Jianghong [1 ]
Wang, Jian [1 ,2 ]
Cui, Huijuan [1 ,2 ]
Li, Li [1 ]
Zhu, Zhenping [1 ]
机构：
[1] Chinese Acad Sci, Inst Coal Chem, State Key Lab Coal Convers, Taiyuan 030001, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100039, Peoples R China
来源：
CHEMPHYSCHEM | 2015年 / 16卷 / 14期
关键词：
carbon nanodots; fluorescent probes; hydrogen evolution reaction; photocatalysis; visible light; IRON REGULATORY PROTEINS; GRAPHENE QUANTUM DOTS; GREEN SYNTHESIS; HYDROGEN; WATER; PHOTOCATALYSTS; NANOPARTICLES; REDUCTION; SHEETS;
D O I：
10.1002/cphc.201500447
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：
Herein, multifunctional N-doped carbon nanodots (NCNDs) were prepared through the one-step hydrothermal treatment of yeast. Results show that the NCNDs can be used as a new photocatalyst to drive the water-splitting reaction under UV light. Moreover, the NCNDs can efficiently catalyze the hydrogen evolution reaction. Under visible-light irradiation, Eosin Y-sensitized NCNDs exhibit excellent activity for hydrogen evolution. The hydrogen evolution rate of NCNDs (without any modification and co-catalyst) reaches 107.1 mu molh(-1) (2142 mu molg(-1)h(-1)). When Pt is loaded on the NCNDs, the hydrogen evolution rate reaches 491.2 mu molh(-1) (9824 mu molg(-1)h(-1)) under visible-light irradiation. In addition, the NCNDs show excellent fluorescent properties and can be applied as a fluorescent probe for the sensitive and selective detection of Fe3+.
引用
收藏
页码：3058 / 3063
页数：6
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