Enhancement of light harvesting capabilities of Titania/Zinc Oxide nanocomposite photoanode through Aluminium plasmon impregnation

被引：7

作者：

Pugazhendhi, K. ^{[1
]}

D'Almeida, Steven ^{[1
]}

Tenkyong, Tenzin ^{[1
]}

Praveen, B. ^{[1
]}

Sharmila, D. J. ^{[1
]}

Shyla, J. Merline ^{[1
]}

机构：

[1] Loyola Coll, LIFE, Energy Nanotechnol Ctr ENTeC, Dept Phys, Madras 600034, Tamil Nadu, India

来源：

MATERIALS LETTERS | 2018年 / 222卷

关键词：

TiO2/ZnO Nanocomposite; Plasmon; DSSC; UV-DRS; Photoconductivity; EFFICIENCY; TIO2; REFLECTANCE;

D O I：

10.1016/j.matlet.2018.03.160

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work reports the synthesis of Titania/Zinc Oxide (TiO2/ZnO) nanocomposite and improvisation of its optical properties through Aluminium (Al) plasmon impregnation into ZnO using sol-gel technique. The X-Ray Diffraction (XRD) and Field Emission Scanning Electron Microscopy (FESEM) analysis showed that Al impregnation has not altered the crystallographic and morphological features of TiO2/ZnO. UV-Vis Diffuse Reflectance Spectroscopy (UV-DRS) revealed the enhanced light harvesting capabilities of Titania/Al impregnated Zinc Oxide (TiO2/Al-ZnO) as a result of about 95% of diffused reflectance, the highest reported to-date. Field dependent dark and photocurrent measurements showed that impacted by the plasmonic-effect, the photo and dark current values of TiO2/Al-ZnO are higher than those of TiO2/ZnO by similar to 2 and similar to 1.5 folds respectively. Owing to the improved photo and electrical conductive properties of the nanocomposite due to Al impregnation, the as-prepared TiO2/Al-ZnO nanocomposite qualifies as a novel and suitable candidate for application as a proficient photoanode in Dye Sensitized Solar Cells (DSSCs). (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：29 / 32

页数：4

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