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Recent development of high-performance photocatalysts for N-2 fixation: A review

Authors
Nguyen, Dang Le TriTekalgne, Mahider AsmareNguyen, Thi Hong ChuongDinh, Minh Tuan NguyenSana, Siva SankarGrace, Andrews NirmalaShokouhimehr, MohammadrezaVo, Dai-Viet N.Cheng, Chin KuiNguyen, Chinh ChienKim, Soo YoungQuyet Van Le
Issue Date
2월-2021
Publisher
ELSEVIER SCI LTD
Keywords
Photocatalyst; N-2 fixation; N-2 activation; Defect; Doping; Co-catalyst
Citation
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING, v.9, no.1
Indexed
SCOPUS
Journal Title
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume
9
Number
1
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/49675
DOI
10.1016/j.jece.2020.104997
ISSN
2213-3437
Abstract
Photocatalytic N-2 fixation has emerged as a potential alternative pathway to synthesize NH3. However, poor light absorption, restricted charge separation, the extreme stability of N-2 molecules caused by the N N bond, and the 6e(-)-involved reactions are considered to be bottlenecks limiting the overall photocatalytic performance. In this context, the nature of the active sites plays a crucial role, which is associated with N-2 adsorption, activation, and reduction. In this review, we provide forefront research on the development of highly active sites for photon-induced N-2 fixation. Thus, three essential sections, namely (i) defect-rich photocatalysts, (ii) metal and nonmetal doping photocatalysts, and (iii) emerged co-catalysts, are highlighted to create a panorama of the materials approach to solar-driven N-2 fixation. Finally, a summary and future outlook are given. It is hoped that this review will provide a broad picture and inspire the exploration of novel photocatalysts for efficient NH3 production.
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