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Title: Back contact layer for photovoltaic cells

A photovoltaic cell structure is disclosed that includes a back contact layer that includes single wall carbon nanotube elements. The single wall carbon nanotube (SWNT) back contact is in electrical communication with an adjacent semiconductor layer and provides a buffer characteristic that impedes elemental metal migration from the back contact into the semiconductor active layers. In one embodiment, the SWNT back contact includes a semiconductor characteristic and a buffer characteristic. In another embodiment, the SWNT back contact further includes a metallic characteristic.
Inventors:
; ; ; ;
Issue Date:
OSTI Identifier:
1469122
Assignee:
The University Of Toledo (Toledo, OH) EFRC
Patent Number(s):
10,043,922
Application Number:
14/421,718
Contract Number:
SC0006349
Resource Relation:
Patent File Date: 2013 Aug 13
Research Org:
The University Of Toledo, Toledo, OH (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 14 SOLAR ENERGY; 42 ENGINEERING

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