Enhanced electrocatalytic nitrite reduction to ammonia over P-doped TiO2 nanobelt array

被引:40
|
作者
Ouyang, Ling [1 ]
He, Xun [1 ]
Sun, Shengjun [2 ]
Luo, Yongsong [1 ]
Zheng, Dongdong [1 ]
Chen, Jie [3 ]
Li, Yinwei [4 ]
Lin, Yuxiao [4 ]
Liu, Qian [5 ]
Asiri, Abdullah M. [6 ,7 ]
Sun, Xuping [1 ,2 ]
机构
[1] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China
[2] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Shandong, Peoples R China
[3] Sichuan Univ, West China Hosp, Dept Lab Med, Chengdu 610041, Sichuan, Peoples R China
[4] Jiangsu Normal Univ, Sch Phys & Elect Engn, Xuzhou 221116, Jiangsu, Peoples R China
[5] Chengdu Univ, Inst Adv Study, Chengdu 610068, Sichuan, Peoples R China
[6] King Abdulaziz Univ, Fac Sci, Chem Dept, POB 80203, Jeddah 21589, Saudi Arabia
[7] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, POB 80203, Jeddah 21589, Saudi Arabia
基金
中国国家自然科学基金;
关键词
OXYGEN VACANCIES;
D O I
10.1039/d2ta06933d
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
Electrochemical nitrite reduction affords an eco-friendly route for the removal of hazardous NO2- and sustainable NH3 synthesis. Here, we report that a P-doped TiO2 nanobelt array supported on titanium plate (P-TiO2/TP) acts as a high-efficiency electrocatalyst for the NO2- reduction reaction, attaining a satisfactory faradaic efficiency of 90.6% and a large NH3 yield as high as 560.8 mu mol h(-1) cm(-2), superior to pristine TiO2/TP. Moreover, the catalytic mechanism involved is also uncovered by theoretical calculation.
引用
收藏
页码:23494 / 23498
页数:5
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