光催化
乳酸
果糖
材料科学
催化作用
选择性
产量(工程)
可重用性
化学工程
化学
有机化学
冶金
细菌
计算机科学
工程类
生物
程序设计语言
遗传学
软件
作者
Hongjuan Qin,Yuhang Zhang,Zhen Wang,Guihua Yang
出处
期刊:Catalysts
[MDPI AG]
日期:2022-06-30
卷期号:12 (7): 719-719
被引量:2
标识
DOI:10.3390/catal12070719
摘要
Photocatalysis provides a prospective approach for achieving high-value products under mild conditions. To realize this, constructing a selective, low-cost and environmentally friendly photocatalyst is the most critical factor. In this study, BiOBr/Zn@SnO2 is fabricated by a one-pot hydrothermal synthesis method and BiOBr: SnO2 ratio is 3:1; this material is applied as photocatalyst in fructose selective conversion to lactic acid. The bandgap structure can be regulated via two-step modification, which includes Zn doping SnO2 and Zn@SnO2 coupling BiOBr. The photocatalyst shows excellent conversion efficiency in fructose and high selectivity in lactic acid generation under alkaline conditions. The conversion rate is almost 100%, and the lactic acid yield is 79.6% under optimal reaction conditions. The catalyst is highly sustainable in reusability; the lactic acid yield can reach 67.4% after five runs. The possible reaction mechanism is also proposed to disclose the photocatalysis processes.
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