Effect of microstructure and reaction medium on photocatalytic performance and stability of BiO catalyst for CO2 reduction

被引：0
|
作者：
Ni, Caihong [1 ]
Huang, Manhong [1 ,2 ]
Ren, Mei [1 ]
Li, Xiaoliang [3 ]
Yan, Xiaoliang [3 ]
Sun, Songmei [1 ,2 ]
机构：
[1] Donghua Univ, Coll Environm Sci & Engn, Text Pollut Controlling Engn Ctr, Minist Environm Protect, Shanghai 201620, Peoples R China
[2] Shanghai Inst Pollut Control & Ecol Secur, 1239 Siping Rd, Shanghai 200092, Peoples R China
[3] Taiyuan Univ Technol, State Key Lab Clean & Efficient Coal Utilizat, Taiyuan, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2023年 / 173卷
基金：
中国国家自然科学基金;
关键词：
CO; 2; reduction; Photocatalysis; Quantum dot BiO; Ordered mesoporous BiO; Reaction phase; EFFICIENT; WATER; OXIDE;
D O I：
10.1016/j.catcom.2022.106565
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：
Control the microstructure of the photocatalyst and change the reaction medium have great potential to improve activity and selectivity of a photocatalyst. Herein, we prepared ordered mesoporous and quantum dot BiO with similar grain size, and then studied their CO2 reduction performance under different reaction mediums. The results revealed that the activity, selectivity and stability of a photocatalyst are importantly influenced by reaction medium and microstructure of a photocatalyst. Under the same conditions, quantum dot BiO exhibited higher activity but much lower stability than mesoporous structure. More importantly, it was found gas-solid reaction are more efficient than liquid-solid reaction mode.
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页数：5
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