Tin doped indium oxide core-TiO 2 shell nanowires on stainless steel mesh for flexible photoelectrochemical cells

Jun Hong Noh, Bo Ding, Hyun Soo Han, Ju Seong Kim, Jong Hoon Park, Sang Baek Park, Hyun Suk Jung, Jung Kun Lee, Kug Sun Hong

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21 Citations (Scopus)

Abstract

Photoanode architecture is built on highly conductive tin doped indium oxide (ITO) nanowires (NWs) on a flexible stainless steel mesh (SSM). ITO nanowires were coated with the atomic layer deposition grown TiO 2 layer and the photoelectrochemical performance of the stainless steel mesh based photoanode were examined as a function of wire-length and shell-thickness. The photoanode consisting of 20 m-long nanowire core and 36 nm thick shell increased the photocurrent of the testing cell by 4 times, compared to a reference cell. This enhanced photochemical activity is attributed to higher light harvesting efficiency of nanowire arrays and suppressed charge recombination of core-shell structure.

Original languageEnglish
Article number084104
JournalApplied Physics Letters
Volume100
Issue number8
DOIs
Publication statusPublished - 2012 Feb 20

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Hong Noh, J., Ding, B., Soo Han, H., Seong Kim, J., Hoon Park, J., Baek Park, S., Suk Jung, H., Lee, J. K., & Sun Hong, K. (2012). Tin doped indium oxide core-TiO 2 shell nanowires on stainless steel mesh for flexible photoelectrochemical cells. Applied Physics Letters, 100(8), [084104]. https://doi.org/10.1063/1.3684805