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Achieving 6.7% Efficiency in P3HT/Indene-C70 Bisadduct Solar Cells through the Control of Vertical Volume Fraction Distribution and Optimized Regio-Isomer Ratios

Abstract:

Indene C60 and C70 bisadducts (IC60BA and IC70BA) have relatively high lowest unoccupied molecular orbital energies. In poly(3-hexylthiophene) (P3HT)-based polymer solar cells (PSCs), this produces an increase in open-circuit voltage (VOC) and power conversion efficiency (PCE). However, ICBA synthesis produces a mixture of regio-isomers with different indene spatial orientations (2, 5, and 12 o'clock) that alter the IC70BA molecular packing when mixed with P3HT. In this paper, how the IC70BA ...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1002/aelm.201600362

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Department:
Oxford, MPLS, Materials
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Department:
Oxford, MPLS, Materials
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Grant:
FP7 SMARTONICS (Grant Agreement Number 310229)
Publisher:
Wiley Publisher's website
Journal:
Advanced Electronic Materials Journal website
Volume:
2
Issue:
12
Pages:
1600362
Publication date:
2016-11-15
Acceptance date:
2016-10-05
DOI:
ISSN:
2199-160X
Pubs id:
pubs:660158
URN:
uri:57be9da9-e686-49e7-af0d-bbf8a992d601
UUID:
uuid:57be9da9-e686-49e7-af0d-bbf8a992d601
Local pid:
pubs:660158
Paper number:
12

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