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- Title
Photocatalysis and Photoelectrocatalysis Methods of Nitrogen Reduction for Sustainable Ammonia Synthesis.
- Authors
Ithisuphalap, Kemakorn; Zhang, Hanguang; Guo, Lin; Yang, Qingui; Yang, Haipeng; Wu, Gang
- Abstract
Ammonia (NH3) is one of the essential chemicals as a fertilizer and as a starting reagent for various chemicals with a production expectation of 200 million tonnes for 2018. With the development of renewable energy technologies such as hydrogen fuel cells, hydrogen also has emerged as an innovative clean energy source. Ammonia is a suitable hydrogen fuel carrier since a molecule of ammonia can carry up to three atoms of hydrogen. Recently, photochemical synthesis via nitrogen reduction has gained considerable attention as a sustainable method for the production of ammonia. The performance of the photoreduction of nitrogen lies in the developments of the photocatalysts and photoelectrocatalysts. Therefore, it is essential to understand the fundamentals of nitrogen reduction processes along with apprehending the challenges that limit the progress of catalysts. In this review, the basic understanding of photoreduction of nitrogen is highlighted, emphasizing on the challenges and effective methods to control defects, structures, and morphologies of materials for the catalyst development. The methods for ammonia detection and uncertainties in calculating the efficiency of the photochemical process are also addressed.
- Subjects
PHOTOCATALYSIS; NITROGEN reduction; AMMONIA synthesis
- Publication
Small Methods, 2019, Vol 3, Issue 6, pN.PAG
- ISSN
2366-9608
- Publication type
Article
- DOI
10.1002/smtd.201800352