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Coupled optical and electrical analysis for thin-film solar cells with embedded dielectric nanoparticles

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Title Coupled optical and electrical analysis for thin-film solar cells with embedded dielectric nanoparticles
 
Creator MOPURISETTY, SM
BAJAJ, M
SATHAYE, ND
GANGULY, S
 
Subject RECOMBINATION VELOCITIES
AG NANOPARTICLES
SILICON-NITRIDE
SURFACES
INTERFACES
ABSORPTION
DESIGN
 
Description Combined optical and electrical simulations were performed for thin-film (silicon) solar cell structures with dielectric (silicon-dioxide) nanoparticles embedded in the active region for efficiency enhancement. The efficiency enhancement due to optimally sized nanoparticles is found to be 22% and 15% in the constant coverage area and constant pitch configurations, respectively; further, the enhancement qualitatively follows the trends expected from optical-only simulations. This, however, assumes a good quality dielectric-semiconductor interface, whereas heavy recombination at this interface is seen to degrade the efficiency significantly-setting an upper limit on the surface recombination velocity up to which embedding nanoparticles is beneficial. (C) 2015 AIP Publishing LLC.
 
Publisher AMER INST PHYSICS
 
Date 2016-01-15T07:39:03Z
2016-01-15T07:39:03Z
2015
 
Type Article
 
Identifier APPLIED PHYSICS LETTERS, 106(2)
0003-6951
1077-3118
http://dx.doi.org/10.1063/1.4906291
http://dspace.library.iitb.ac.in/jspui/handle/100/18071
 
Language en