TiO2 Thin films sensitized with upconversion phosphor for efficient solar water splitting

Trang Nguyen Thi Thuy, Timur Sh Atabaev, Hong Ha Thi Vu, Dongyun Lee, Hyung Kook Kim, Yoon Hwae Hwang

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This paper reports the preparation of TiO2 thin films sensitized with an upconversion (UC) phosphor for solar water splitting. The effects of the UC phosphor concentration on the morphology and pho-toelectrochemical (PEC) performance of the prepared samples were examined using a variety of methods. The incorporation of UC phosphor into a TiO2 thin film resulted in dramatic enhancement of the PEC performance. In particular, a photoelectrode containing 7 wt.% UC phosphor exhibited the highest photocurrent compared to other samples. Therefore, simple and scalable method described in this study is promising for industrial applications.

Original languageEnglish
Pages (from-to)7647-7650
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume17
Issue number10
DOIs
Publication statusPublished - Oct 1 2017
Externally publishedYes

Keywords

  • Solar Water Splitting
  • Thin Films
  • TiO
  • Up-Conversion Phosphor

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Biomedical Engineering
  • Materials Science(all)
  • Condensed Matter Physics

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