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Open AccessArticle

Improving Photovoltaic Properties of P3HT:IC60BA through the Incorporation of Small Molecules

1
School of Electronics Engineering, College of IT Engineering, Kyungpook National University, 80 Daehakro, Bukgu, Daegu 41566, Korea
2
Global Innovative Center for Advanced Nanomaterials, Faculty of Engineering and Built Environment, University of Newcastle, Callaghan, NSW 2298, Australia
3
Future Industries Institute, Division of Information Technology, Engineering and Environment, University of South Australia, Mawson Lakes, SA 5095, Australia
4
Research Institute of Advanced Energy Technology, Kyungpook National University, Daegu 41566, Korea
5
Center for Advanced Photovoltaics, Department of Electrical Engineering and Computer Science, South Dakota State University, Brookings, SD 570007, USA
*
Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Polymers 2018, 10(2), 121; https://doi.org/10.3390/polym10020121
Received: 8 January 2018 / Revised: 22 January 2018 / Accepted: 24 January 2018 / Published: 26 January 2018
(This article belongs to the Special Issue Polymers for Energy Applications)
We investigated the role of a functional solid additive, 2,3-dihydroxypyridine (DHP), in influencing the optoelectronic, morphological, structural and photovoltaic properties of bulk-heterojunction-based polymer solar cells (BHJ PSCs) fabricated using poly(3-hexylthiophene): indene-C60 bisadduct (P3HT:IC60BA) photoactive medium. A dramatic increase in the power conversion efficiency (~20%) was witnessed for the BHJ PSCs treated with DHP compared to the pristine devices. A plausible explanation describing the alignment of pyridine moieties of DHP with the indene side groups of IC60BA is presented with a view to improving the performance of the BHJ PSCs via improved crystalline order and hydrophobicity changes. View Full-Text
Keywords: bulk-heterojunction; polymer solar cells; morphology; additive; ternary blend bulk-heterojunction; polymer solar cells; morphology; additive; ternary blend
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MDPI and ACS Style

Xu, B.; Sai-Anand, G.; Gopalan, A.-I.; Qiao, Q.; Kang, S.-W. Improving Photovoltaic Properties of P3HT:IC60BA through the Incorporation of Small Molecules. Polymers 2018, 10, 121.

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