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

doi:10.1063/1.3684805

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

23 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 language	English
Article number	084104
Journal	Applied Physics Letters
Volume	100
Issue number	8
DOIs	https://doi.org/10.1063/1.3684805
Publication status	Published - 2012 Feb 20
Externally published	Yes

Bibliographical note

Funding Information:
This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (2009-0092779) and WCU (World Class University) program through National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R31-2008-000-10075-0).(RIAM) Authors in the University of Pittsburgh acknowledge the support from National Science Foundation (Grant No. DMR-0847319).

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

Access to Document

10.1063/1.3684805

Cite this

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

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.",

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note = "Funding Information: This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MEST) (2009-0092779) and WCU (World Class University) program through National Research Foundation of Korea funded by the Ministry of Education, Science and Technology (R31-2008-000-10075-0).(RIAM) Authors in the University of Pittsburgh acknowledge the support from National Science Foundation (Grant No. DMR-0847319).",

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AU - Hong Noh, Jun

AU - Ding, Bo

AU - Soo Han, Hyun

AU - Seong Kim, Ju

AU - Hoon Park, Jong

AU - Baek Park, Sang

AU - Suk Jung, Hyun

AU - Lee, Jung Kun

AU - Sun Hong, Kug

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PY - 2012/2/20

Y1 - 2012/2/20

N2 - 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.

AB - 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.

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