Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/65917
Title: Low temperature transfer of well-tailored TiO2 nanotube array membrane for efficient plastic dye-sensitized solar cells
Authors: Fu, NQ 
Li, XY 
Liu, Y 
Liu, YC
Guo, M 
Li, WF
Huang, HT 
Keywords: Dye-sensitized solar cells
Flexible
Mechanical interlocking
Post-treatment
TiO2 nanotube array
Issue Date: 2017
Publisher: Elsevier
Source: Journal of power sources, 2017, v. 343, p. 47-53 How to cite?
Journal: Journal of power sources 
Abstract: Transferring semiconductor film onto plastic substrate for efficient flexible photovoltaic devices with good mechanical stability against shape wrench is always a big challenge. In this work, well-designed TiO2 nanotube array (TNTA) membrane is achieved by a combination of hot-water-soaking and TiCl4 post-treatment for efficient plastic DSSCs. In this engineered TiO2 architecture, the TiO2 particle decorated and nanowire capped TNTA hybrid structure provides not only enormous dye-loading amount and excellent light scattering/trapping effects for superior light harvesting efficiency, but also fast charge transport along the 1D aligned TNTA scaffold. More importantly, the thin and mesoporous TiO2 layer deposited on the bottom surface of TNTA makes it is possible to form mechanical interlocking between TNTA membrane and the adhesive layer to insure the excellent mechanical stability and efficient electron transfer from the TNTA membrane to the substrate. The plastic DSSCs based on the well-tailored TNTA membranes yield an exciting efficiency of 6.25% and at the same time maintain 90% of its initial efficiency after hundreds of bending cycles.
URI: http://hdl.handle.net/10397/65917
ISSN: 0378-7753
EISSN: 1873-2755
DOI: 10.1016/j.jpowsour.2017.01.028
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