首页|Synergistic Cu single-atoms and clusters on tubular carbon nitride for efficient photocatalytic performances

Synergistic Cu single-atoms and clusters on tubular carbon nitride for efficient photocatalytic performances

扫码查看
原文链接
  • 万方数据
  • 维普
Metal clusters or even single-atoms dispersed and anchored on the photocatalysts'surface can enhance photocatalytic performances on organic pollutant oxida-tion.Here,a simple photoreduction method was used to create atomically dispersed metal single-atoms/clusters(MSCs,M=Cu,Pd,Au and Ag)on P-modulated tubular carbon nitride(TCN).The obtained MSCs@TCN demon-strated excellent photocatalytic performances for the degradation of sulfamethazine(SMZ).In particular,the photocatalyst with 2 wt％Cu loading showed ultrahigh SMZ oxidation efficiency(k=0.06110 min-1),almost three times that of TCN(k=0.02066 min-1).It also shows excellent stability in the 5th-cycle measurements.The improved photocatalytic activity of the CuSCs@TCN is ascribed to the synergistic promotion of photogenerated charge separation by Cu single-atoms/clusters as active sites,accelerated charge transfer from bulk TCN to Cu sites through Cu-Nx interaction.Meanwhile,the active sites of Cu single-atoms/clusters could promote the pro-duction of O2-,which participates in organic oxidation with strong oxidizing holes(h+).This strategy paves a new avenue for designing high-performance photocatalysts decorated with metal single-atoms and clusters.

Carbon nitridePhotocatalysisCu single-atomSulfamethazineDegradation

Yu-Xiao Feng、Hui-Jun Yu、Tian-Guang Lu、Zi-Ye Zheng、Shuang Tian、Li Xiang、Shan Zhao、Shu-Guang Wang、Zuo-Li He

展开 >

Shandong Key Laboratory of Water Pollution Control and Resource Reuse,School of Environmental Science and Engineering,Shandong University,Qingdao 266237,China

Weihai Research Institute of Industrial Technology of Shandong University,Shandong University,Weihai 264209,China

School of Electrical Engineering,Shandong University,Jinan 250061,China

CEDAR,Knight Cancer Institute,School of Medicine,Oregon Health and Science University,Portland 97201,USA

展开 >

2024

10.1007/s12598-024-02997-y

稀有金属(英文版)
中国有色金属学会

稀有金属(英文版)

CSTPCDEI
影响因子：0.801
ISSN：1001-0521
年,卷(期)：2024.43(11)