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首页> 外文期刊>Applied Catalysis, B. Environmental: An International Journal Devoted to Catalytic Science and Its Applications >Effective charge separation in site-isolated Pt-nanodot deposited PbTiO3 nanotube arrays for enhanced photoelectrochemical water splitting
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Effective charge separation in site-isolated Pt-nanodot deposited PbTiO3 nanotube arrays for enhanced photoelectrochemical water splitting

机译：用于增强的光电化学水分子的现场隔离PT-NANODOT沉积PBTIO3纳米管阵列的有效电荷分离

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摘要

Highly uniform, self-supported PbTiO3 nanotube arrays are fabricated on a transparent conducting glass by an all solution-based, hard-templating procedure. A new concept of site-isolation has been realized by Pt-sol in-filtration only in the internal core of deposited nanotube arrays and thus physically separating electron and hole reaction sites on inside and external surface of the nanotubes, respectively. The effective charge separation by the site-isolated Pt-nanodot deposited PbTiO3 nanotube photoanode leads to greatly enhanced photocurrent generation and H-2 evolution efficiencies relative to those of the particulate-type photoanode or PbTiO3 nanotube without Pt infiltration in photoelectrochemical water splitting under visible light. The physical site isolation through nano-engineering of the material fabrication is expected to offer an effective strategy for preparation of high-efficiency photoelectrochemical devices.
机译：高均匀，通过所有基于溶液的硬模板手术，在透明导电玻璃上制造了高度均匀的自支撑的PBTIO3纳米管阵列。 仅在沉积的纳米管阵列的内核中，Pt-溶胶内核在沉积的纳米管阵列的内核中实现了一种新的网站隔离概念，因此将电子和空穴反应位点物理分离在纳米管的内部和外表面上。 由位点分离的Pt-nanoot沉积的PBTIO3纳米管光电码的有效电荷分离导致相对于颗粒状光电码或PBTIO3纳米管的光电流产生和H-2演化效率，而在可见光下的光电化学水分裂中没有PT渗透 。 通过纳米工程的物理部位隔离，预计将提供一种用于制备高效光电化学器件的有效策略。

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