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Title:
 
Polyaniline-Graphene Nanocomposite as a Buffer Layer for Organic PV Device
 
Author(s):
 
O.D. Omelchenko, O.L. Gribkova, A.R. Tameev, A.V. Vannikov
 
Keywords:
 
Buffer Layer, Organic Solar Cell, Polymer Film, Graphene, Conducting Polymers
 
Topic:
 
THIN FILM SOLAR CELLS AND MODULES
Subtopic: Perovskites, Organic PV and Hybrid Devices
Event: 31st European Photovoltaic Solar Energy Conference and Exhibition
Session: 3BV.5.22
 
Pages:
 
1122 - 1124
ISBN: 3-936338-39-6
Paper DOI: 10.4229/EUPVSEC20152015-3BV.5.22
 
Price:
 
 
0,00 EUR
 
Document(s): paper, poster
 

Abstract/Summary:


Polymer nanocomposites based on polyaniline (PANI) complex with polysulfonic acid and graphene were successfully created. Tuning of both the uniformity of the distribution and size of graphene stacks in the PANI complex matrix was performed by thorough selection of graphene of different degree of oxidation. Thin films of the nanocomposites were tested as a buffer layer in organic PV cells. PV cells with the nanocomposite layer demonstrated the enhanced characteristics compared to those with the layer of graphene free PANI-polyacid complex. The power conversion efficiency increased by 37%. The result is explained taking into account the formation of large graphene stacks which define both the surface roughness of the buffer layer and the high conductivity of the buffer layer in the direction perpendicular to its surface.