光催化
氨
氨生产
固氮酶
生化工程
环境科学
工艺工程
纳米技术
固氮
化学
材料科学
工程类
氮气
催化作用
有机化学
作者
Shuai Zhang,Yunxuan Zhao,Run Shi,Geoffrey I. N. Waterhouse,Tierui Zhang
出处
期刊:EnergyChem
[Elsevier]
日期:2019-08-12
卷期号:1 (2): 100013-100013
被引量:253
标识
DOI:10.1016/j.enchem.2019.100013
摘要
Ammonia (NH3) is one of the most important commodity chemicals in today's chemical industry. Industrially, ammonia is synthesized via the Haber-Bosch process at high temperature and pressure (typically 400 °C and 200 atm). In nature, the nitrogenase enzyme can convert N2 to NH3 at ambient conditions, motivating the search for similar sustainable technologies for industrial-scale NH3 production. Over the past few years, photocatalytic ammonia production using sunlight and photocatalysts has attracted much attention, allowing the reduction of N2 to NH3 under very mild reaction conditions. Whilst the rates of photocatalytic ammonia synthesis are still a long way off practical requirements, some promising photocatalytic materials have already been identified which encourage wider research in this field. This review aims to capture recent advances in photocatalytic N2 fixation to NH3, by encompassing fundamental aspects of photocatalytic ammonia synthesis, as well as effective photocatalyst and reactor design strategies. Further, the review offers some practical guidelines to researchers regarding the appropriate selection of ammonia detection methods and the performance assessment of ammonia synthesis photocatalysts. The overarching aims of this review are i) to support the development of solar-driven ammonia synthesis, and ii) to assist researchers in moving into this exciting new research space.
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