Bulk Heterojunction Photovoltaic Cells with Triphenylamine-Based Amorphous Polymer and Non-Halogenated Solvent Processing Provide Reproducible Performance

The performance of bulk heterojunction (BHJ) organic photovoltaics (OPVs) based on an amorphous polymer, poly(3HTBT-TPA), and fabricated using either halogenated or non-halogenated solvents was investigated. All the BHJ OPVs exhibited almost the same power conversion efficiencies of around 2.2%, ind...

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Bibliographic Details
Published inJournal of Photopolymer Science and Technology Vol. 28; no. 3; pp. 373 - 376
Main Authors Yasuda, Takeshi, Kusagaki, Yutarou, Kitahara, Ikumi, Han, Liyuan, Ishi-i, Tsutomu
Format Journal Article
LanguageEnglish
Published Hiratsuka The Society of Photopolymer Science and Technology(SPST) 01.01.2015
Japan Science and Technology Agency
Subjects
amorphous
bulk heterojunction
Energy conversion efficiency
Halogenated
Heterojunctions
non-halogenated solvent
Photopolymers
photovoltaic
Photovoltaic cells
Solar cells
Solvents
triphenylamine
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Summary:The performance of bulk heterojunction (BHJ) organic photovoltaics (OPVs) based on an amorphous polymer, poly(3HTBT-TPA), and fabricated using either halogenated or non-halogenated solvents was investigated. All the BHJ OPVs exhibited almost the same power conversion efficiencies of around 2.2%, indicating that their performance is independent of the casting solvent. These experimental results indicate that the use of amorphous π-conjugated polymers in the fabrication of BHJ OPVs offers two advantages over the use of polycrystalline π-conjugated polymers: highly reproducible OPV performance and the possibility of an environmentally friendly process for fabricating OPVs.
Bibliography:ObjectType-Article-1
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ISSN:0914-9244
1349-6336
DOI:10.2494/photopolymer.28.373