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Title:
 
ZnO Nanorod Arrays as an Antireflective Coating for Cu2ZnSnS4 Thin Film Solar Cells
 
Author(s):
 
B.-T. Jheng, P.-T. Liu, M.-C. Wu, H.-V. Han
 
Keywords:
 
II-VI Semiconductors, Thin Film Solar Cell, CZTS
 
Topic:
 
THIN FILM SOLAR CELLS
Subtopic: CdTe, CIS and Related Ternary and Quaternary Thin Film Solar Cells
Event: 28th European Photovoltaic Solar Energy Conference and Exhibition
Session: 3BV.5.42
 
Pages:
 
2307 - 2310
ISBN: 3-936338-33-7
Paper DOI: 10.4229/28thEUPVSEC2013-3BV.5.42
 
Price:
 
 
0,00 EUR
 
Document(s): paper, poster
 

Abstract/Summary:


Zinc oxide (ZnO) nanostructures were synthesized for anti-reflective coating application of Cu2ZnSnS4 thin-film solar cell by using hydrothermal technique. On controlling the morphology of solution-grown ZnO nanostructures, the average reflectance of the Cu2ZnSnS4 solar cell with the branched antireflection coatings decreased from 7.6% to 1.12%, and the energy conversion efficiency increased by 10.4% from the value of 4.8% to 5.3%. The performance improvement in Cu2ZnSnS4 thin-film solar cell was well explained by the effect of the gradual increase in the refractive index between air and the top electrode of solar cell device due to the insertion of the ZnO nanostructure.