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Surface-defect-engineered photocatalyst for nitrogen fixation into value-added chemical feedstocks

机译：Surface-defect-engineered光催化剂的固氮增值化学原料

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摘要

Efficient dinitrogen (N-2) utilization using nitrogen-containing compounds such as ammonia (NH3) and nitrates, which are essential materials for modern fertilizers, medicines,etc., is important to the development of human society. However, the industrial synthesis of NH(3)and nitrates requires high temperatures and pressures along with massive energy consumption. In this context, photocatalytic N(2)fixation is regarded as an alternative promising strategy for the synthesis of nitrogen-containing compounds under ambient conditions. In this minireview, fundamental photocatalytic N(2)fixation mechanisms, including N(2)photoreduction to NH(3)and photooxidation to nitrates, are initially elaborated. Then, we focus on the effects of surface defect engineering (e.g., surface vacancies and heteroatom dopants) over semiconductor-based photocatalysts for efficient N(2)fixation. Finally, we cast a personal perspective on the possible future challenges faced by defect-containing photocatalysts for N(2)fixation. We hope that this minireview can shed light on the further development of rational designs of defect-containing photocatalysts toward efficient N(2)fixation into diverse value-added chemical feedstocks.
机译：使用高效二氮(n - 2)利用率氮含量氨等化合物(NH3)和硝酸盐,这是必不可少的材料现代肥料、药品等。对人类社会的发展很重要。然而,工业合成NH (3)硝酸盐需要较高的温度和压力伴随着大量的能源消耗。背景下,光催化N(2)固定被认为作为一个选择有前途的战略氮含量的合成化合物环境条件。基本的光催化N(2)固定机制,包括N(2)光致还原作用NH(3)和光致氧化为硝酸盐首先阐述了。表面缺陷工程的影响(例如,表面空缺和杂原子掺杂物)是从汤姆斯催化剂的效率N(2)固定。角度在未来可能的挑战面对defect-containing催化剂N(2)固定。阐明了理性的进一步发展defect-containing的设计论文对有效N(2)固定到多样化附加值的化工原料。

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