Title
Grids on TCO's for higly transparent materials with a resistivity below 1 Ohm/sq
Author
van Deelen, J.
Rendering, H.
't Mannetje, H.H.
Hovestad, A.
Publication year
2011
Abstract
Various transparent conducting materials are compared based on their transparency versus sheet resistance characteristics. At present, transparent conducting oxides (TCOs) are still superior in performance compared to various recent alternatives and can only be surpassed by the combination of TCOs with a metal grid. Results on modeling and design optimization are presented using a monolithically integrated CIGS cell configuration as case. This study showed that considerable efficiency enhancement (17% in power output) can be achieved for metal grid TCO combinations compared to single TCOs. Conductivity improvement has been experimentally verified on both commercial ITO PET foil as well as on ZnO coated glass with electrochemically deposited metal grids. Conductivities below 0,1 Ohm/sq were reached and 80 times and 400 times conductivity improvements were obtained at a transparency loss of only 3% and 6%, respectively. It was also found that electrochemical deposition results in more conductive and more transparent grids than obtained by Ag-ink screen printing. © 2011 IEEE.
Subject
Mechatronics, Mechanics & Materials
TFT - Thin Film Technology
TS - Technical Sciences
Materials
Industrial Innovation
To reference this document use:
http://resolver.tudelft.nl/uuid:9d0d1b40-f2d7-4b3a-a318-cbc75ac9231f
TNO identifier
460469
ISBN
9781424499656
ISSN
0160-8371
Source
37th IEEE Photovoltaic Specialists Conference, PVSC 2011, 19-24 June 2011, Seattle, WA, USA, 000768-000770
Article number
No.: 6186066
Document type
conference paper