掺氟氧化锡上蒸发钛层形成的开顶透明二氧化钛纳米管光阳极

IF 1.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Physica Status Solidi A-applications and Materials Science Pub Date : 2024-07-11 DOI:10.1002/pssa.202400335

Imgon Hwang, Patrik Schmuki, Anca Mazare

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引用次数: 0

摘要

本文通过电子束蒸发沉积在掺氟氧化锡玻璃上的金属钛层的完全自组织阳极氧化，研究了透明二氧化钛纳米管（NT）层的生长。采用优化的二次阳极氧化方法和后超声处理相结合，可以获得这种透明二氧化钛纳米管的无引发开顶管形态。开顶管的光电化学特性明显增强，这主要归功于其快速的电子转移动力学，与形态相当的传统（起始层覆盖）NT 相比，入射光子到电子的转换效率值（350 纳米波长）提高了≈33%。

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Open‐Top Transparent TiO2 Nanotubes Photoanodes from Evaporated Ti Layers on Fluorine‐Doped Tin Oxide

Herein, the growth of transparent TiO2 nanotube (NT) layers is investigated by complete self‐organized anodization of a metallic Ti layer on fluorine‐doped tin oxide glass, deposited by electron beam evaporation. An initiation‐free open‐top tube morphology can be obtained for such transparent TiO2 NTs using an optimized second anodization approach combined with a post‐ultrasonication process. The photoelectrochemical properties of open‐top tubes exhibit notable enhancement, primarily attributed to their rapid electron‐transfer kinetics, with a ≈33% increase in the incident‐photon‐to‐electron conversion efficiency value (at 350 nm wavelength) in comparison to classical (initiation‐covered) NTs with a comparable morphology.

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来源期刊

Physica Status Solidi A-applications and Materials Science 工程技术-材料科学：综合

CiteScore

3.70

自引率

5.00%

发文量

393

审稿时长

2 months

期刊介绍： The physica status solidi (pss) journal group is devoted to the thorough peer review and the rapid publication of new and important results in all fields of solid state and materials physics, from basic science to applications and devices. Among the largest and most established international publications, the pss journals publish reviews, letters and original articles, as regular content as well as in special issues and topical sections.