Tin doped indium oxide core―TiO2 shell nanowires on stainless steel mesh for flexible photoelectrochemical cells
- Tin doped indium oxide core―TiO2 shell nanowires on stainless steel mesh for flexible photoelectrochemical cells
- 박상백; 노준홍; Bo Ding; 한현수; 김주성; 박종훈; 정현석; 이중건; 홍국선
- Issue Date
- Applied physics letters
- VOL 100, NO 8, 084104
- 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 TiO2 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 mu 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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