Cobalt-Oxide-Based Materials as Water Oxidation Catalyst: Recent Progress and Challenges
Cobalt-Oxide-Based Materials as Water Oxidation Catalyst: Recent Progress and Challenges
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DOI：
10.1021/cs500713d
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发表时间：
2014-10-01
期刊：
影响因子：
12.9
通讯作者：
Tueysuez, Harun
中科院分区：
文献类型：
--
作者：
Deng, Xiaohui;Tueysuez, Harun
受自然过程的启发，人们对光驱动的水分解产生了巨大的兴趣，将太阳能转化为电能和化学能。这种方法被认为能够最终解决社会在不久的将来将面临的主要能源问题。水的氧化反应被广泛认为是利用太阳能进行人工光合作用的主要障碍。由于反应的相对高的过电位和缓慢的动力学，在非贵金属析氧催化剂如过渡金属氧化物的开发上进行了许多努力。其中，钴氧化物基材料已显示出良好的活性，因此成为一种有前途的候选材料。在这个角度来看，我们总结了最先进的钴氧化物基材料的合成和应用作为水氧化催化剂，通过电化学，光化学和光电化学方法。此外，我们指出了未来需要克服的关键挑战，以进一步推动催化剂性能。
Inspired by natural processes, there is an enormous interest in light-driven water splitting to convert solar energy into electrical and chemical energy. This approach is thought to be able to eventually solve the main energy problem that society will face more dramatically in the near future. The water oxidation reaction is widely considered a major barrier for utilizing solar energy in artificial photosynthesis. Due to the relatively high overpotential and slow kinetics of the reaction, numerous efforts are made on the development of non-noble metal oxygen evolution catalysts such as transition metal oxides. Among them, cobalt-oxide-based materials have shown decent activity and thus present themselves as a promising candidate. In this perspective, we summarize the state of the art in synthesis of cobalt-oxide-based materials and application as water oxidation catalysts through electrochemical, photochemical, and photoelectrochemical approaches. Additionally, we state the future challenges that are critical to overcome to push the catalyst performance one step further.