The functionality of surface hydroxyls on selective CH4 generation from photoreduction of CO2 over SiC nanosheets

被引：21
作者：
Han, Cheng [1 ]
Lei, Yongpeng [2 ,3 ]
Wang, Bing [1 ]
Wu, Chunzhi [1 ]
Zhang, Xiaoshan [1 ]
Shen, Shujin [1 ]
Sun, Lian [1 ]
Tian, Qiong [1 ]
Feng, Qingguo [4 ,5 ,6 ]
Wang, Yingde [1 ]
机构：
[1] Natl Univ Def Technol, Coll Aerosp Sci & Engn, Sci & Technol Adv Ceram Fiber & Composites Lab, Changsha 410073, Hunan, Peoples R China
[2] Cent S Univ, State Key Lab Powder Met, Changsha 410083, Hunan, Peoples R China
[3] Cent S Univ, Hunan Prov Key Lab Chem Power Sources, Coll Chem & Chem Engn, Changsha 410083, Hunan, Peoples R China
[4] Southwest Jiaotong Univ, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China
[5] Southwest Jiaotong Univ, Inst Mat Dynam, Chengdu 610031, Sichuan, Peoples R China
[6] Shandong Univ, Natl Joint Engn Lab Power Grid Elect Vehicles, Jinan 250061, Shandong, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2019年 / 55卷 / 11期
基金：
中国国家自然科学基金;
关键词：
PHOTOCATALYTIC REDUCTION; CARBON-DIOXIDE; TIO2; NANOFIBERS; CONVERSION; NANOWIRES; HETEROJUNCTION; CHEMISTRY; MECHANISM;
D O I：
10.1039/c8cc09371g
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The surface hydroxyls on SiC nanosheets provide local protons, stabilize intermediates and localize photogenerated electrons in the deep photoreduction of CO2, significantly promoting the efficiency and selectivity of CH4 yield. This study describes the surface reaction for selective CO2 reduction based on both thermodynamic and kinetic requirements.
引用
收藏
页码：1572 / 1575
页数：4
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