ENHANCED INTERCONNECTION OF TiO2 NANOPARTICLES USING ATOMIC LAYER DEPOSITION FOR FLEXIBLE DYE-SENSITIZED SOLAR CELLS WITH PLASTIC SUBSTRATES

Title
ENHANCED INTERCONNECTION OF TiO2 NANOPARTICLES USING ATOMIC LAYER DEPOSITION FOR FLEXIBLE DYE-SENSITIZED SOLAR CELLS WITH PLASTIC SUBSTRATES
Authors
김보은리위롱정희석김진영이도권김봉수손해정김도형고민재
Keywords
dye-sensitized; atomic layer deposition; solar cells; Flexible dye-sensitized solar cells; electron transport; low-temperature process
Issue Date
2014-07
Publisher
NANO
Citation
VOL 9, NO 5, 1440011-1-1440011-7
Abstract
In order to improve the interconnection of TiO2 photoelectrode for the flexible dye-sensitized solar cells (DSSCs) with plastic substrates, thin TiO2 layers are additionally introduced to the surface of main TiO2 nanoparticles by atomic layer deposition (ALD) at low temperature. The ALD-induced TiO2 thin layers on porous films effectively reduced the internal electrical resistance, leading to the facilitated electron transport in DSSCs. As a result, DSSCs with ALD-induced TiO2 thin layers (thickness of ~ 1.5 nm) showed better power conversion efficiency of 3.09%, which is 33% enhancement compared with that without ALD-induced TiO2 thin layers (2.32%).
URI
http://pubs.kist.re.kr/handle/201004/47812
ISSN
17932920
Appears in Collections:
KIST Publication > Article
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