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ZnRh204 as a Hydrogen Production Photocatalyst Sensitive to Visible Light

机译:ZnRh204作为对可见光敏感的制氢光催化剂

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@@ Since the first report of water splitting using TiO2 and Pt electrodes under UV light irradiation [1]. many studieshave been performed to develop novel semiconductor photocatalysts that can split water into H2 and 02 in stoichiometric amounts (overall water splitting) under visible light irradiation in order to utilize incoming solar energy effectively. So far. only ZnO-GaN solid solution initiated by one-step photoexcitation has been regarded as the visible-light sensitive overall water splitting photocatalyst [2]. In contrast, numerous photocatalysts have been identified that can produce either H2 or 02 under visible light in the presence of sacrificial agents, designated H2- or 02-photocatalyst. respectively. Combined systems with these photocatalysts can become visible-light sensitive photocatalysts for overall water splitting in the presence of a suitable redox couple. Such two-step photoexcitation systems are termed "Z-scheme" [3-4].
机译:@@自第一个报道在紫外线照射下使用TiO2和Pt电极进行水分解[1]以来。已经进行了许多研究来开发新颖的半导体光催化剂,其可以在可见光照射下将化学计量的水分解成H2和O2(总水分解),以便有效地利用入射的太阳能。至今。仅通过一步光激发引发的ZnO-GaN固溶体被视为对可见光敏感的整体水分解光催化剂[2]。相反,已经鉴定出许多光催化剂,在牺牲剂存在下,在可见光下可以产生H 2或O 2,命名为H 2或O 2-光催化剂。分别。在合适的氧化还原对的存在下,与这些光催化剂组合的系统可以变成对可见光敏感的光催化剂,用于总的水分解。这种两步式光激发系统称为“ Z方案” [3-4]。

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