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The Middle Road Less Taken: Electronic-Structure-Inspired Design of Hybrid Photocatalytic Platforms for Solar Fuel Generation
Accounts of Chemical Research ( IF 16.4 ) Pub Date : 2018-12-13 00:00:00 , DOI: 10.1021/acs.accounts.8b00378
Junsang Cho 1 , Aaron Sheng 2 , Nuwanthi Suwandaratne 2 , Linda Wangoh 3 , Justin L. Andrews 1 , Peihong Zhang 4 , Louis F. J. Piper 3 , David F. Watson 2 , Sarbajit Banerjee 1
Affiliation  

The development of efficient solar energy conversion to augment other renewable energy approaches is one of the grand challenges of our time. Water splitting, or the disproportionation of H2O into energy-dense fuels, H2 and O2, is undoubtedly a promising strategy. Solar water splitting involves the concerted transfer of four electrons and four protons, which requires the synergistic operation of solar light harvesting, charge separation, mass and charge transport, and redox catalysis processes. It is unlikely that individual materials can mediate the entire sequence of charge and mass transport as well as energy conversion processes necessary for photocatalytic water splitting. An alternative approach, emulating the functioning of photosynthetic systems, involves the utilization of hybrid systems wherein different components perform the various functions required for solar water splitting. The design of such hybrid systems requires the multiple components to operate in lockstep with optimal thermodynamic driving forces and interfacial charge transfer kinetics.

中文翻译:

少走中间路:太阳能发电用混合光催化平台的电子结构启发设计

发展高效的太阳能转换以增强其他可再生能源的方法是我们时代的重大挑战之一。水分解或将H 2 O歧化为高能燃料H 2和O 2,无疑是一个有前途的策略。太阳水分裂涉及四个电子和四个质子的协调转移,这需要太阳光收集,电荷分离,质量和电荷传输以及氧化还原催化过程的协同操作。单个材料不太可能介导光催化水分解所需的电荷和质量传输以及能量转换过程的整个过程。一种模拟光合作用系统功能的替代方法涉及利用混合系统,其中不同的组件执行太阳能水分解所需的各种功能。这种混合动力系统的设计要求多个组件以最佳的热力学驱动力和界面电荷转移动力学同步运行。
更新日期:2018-12-13
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