کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
11021412 1714577 2018 15 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Comparison of photoelectrochemical performance of anodic single- and double-walled TiO2 nanotube layers
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Comparison of photoelectrochemical performance of anodic single- and double-walled TiO2 nanotube layers
چکیده انگلیسی
In this work, the photoelectrochemical response of single-walled (SW) and double-walled (DW) TiO2 nanotube (TNT) layers is presented. TNT layers were grown on Ti substrates by anodization in two different ethylene glycol-based electrolytes to obtain ~5 and ~15 μm thick TNT layers. The inner shell of the TNT was quantitatively removed via a mild pre-annealing followed by a selective chemical etching treatment in piranha solution. All TNT layers were investigated for their photoelectrochemical response in the ultraviolet and near visible spectral range. Significantly enhanced photocurrent densities were revealed for the SW-TNT layers. This is ascribed to improved charge carrier separation along the tube walls due to the lack of the C- and F-rich inner shell removed by etching.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Electrochemistry Communications - Volume 97, December 2018, Pages 1-5
نویسندگان
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