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Proceedings Paper

TCO less dye-sensitized solar cell lithographic methods for injecting the electrolyte
Author(s): Hyun Chul Ki; Hyang Yoon Jung; Seon Hoon Kim; Doo-Gun Kim; Tae-Un Kim; Hwe Jong Kim
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Paper Abstract

Typical Dye-sensitized solar cells (DSSC) are composed of mesoporous TiO2 nanocrystals electrode on transparent fluorine-doped tin oxide (FTO) substrate, sensitizers on the TiO2 nanocrystals, platinum (Pt) on the FTO substrate as a counter-electrode, and iodine/iodide electrolytes between the two transparent conducting oxide (TCO) substrate. But two transparent conductive oxide(TCO) substrates are estimated to be about 60[%] of the total cost of the DSSCs. Currently novel TCO-less structures have been investigated in order to reduce the cost. We suggested a TCO-less DSSCs which has titanium layer electrodes. Titanium layer electrodes are formed by electron-beam evaporation method. And we proposed the formation of hole for injecting the electrolyte of DSSC by using lithographic method. The sizes of holes are 4um and the intervals of holes are 2um. Finally, we prepared the 0.45 cm2 DSSC device and analytical instruments such as electrochemical impedance spectroscopy, scanning electron microscope were used to evaluate the TCO-less DSSCs.

Paper Details

Date Published: 31 March 2014
PDF: 6 pages
Proc. SPIE 9052, Optical Microlithography XXVII, 90521S (31 March 2014); doi: 10.1117/12.2045546
Show Author Affiliations
Hyun Chul Ki, Korea Photonics Technology Institute (Korea, Republic of)
Hyang Yoon Jung, Korea Photonics Technology Institute (Korea, Republic of)
Seon Hoon Kim, Korea Photonics Technology Institute (Korea, Republic of)
Doo-Gun Kim, Korea Photonics Technology Institute (Korea, Republic of)
Tae-Un Kim, Korea Photonics Technology Institute (Korea, Republic of)
Hwe Jong Kim, Korea Photonics Technology Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 9052:
Optical Microlithography XXVII
Kafai Lai; Andreas Erdmann, Editor(s)

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