Ternary polymer solar cell based on two donors and one acceptor for improving morphology and power conversion efficiency

Hyun Ah Um, Dae Hee Lee, Gi Eun Park, Min Ju Cho, Dong Hoon Choi

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We synthesized isoindigo-based two donor-acceptor (D-A) copolymers to optimize the morphology in ternary blend films with two p-type polymers and n-type phenyl-C61-butyric acid methyl ester (PC61BM). Compared to binary systems with a single copolymer and PC61BM, the ternary polymer solar cell with two copolymers and PC61BM showed highly enhanced power conversion efficiency of 5.13% with a high short circuit current of 13.23 mA cm−2. These results were supported by atomic force microscopy (AFM) and transmission electron microscopy (TEM) observations of the surface and internal morphology of the thin film, respectively.

Original languageEnglish
Pages (from-to)362-368
Number of pages7
JournalSynthetic Metals
Volume220
DOIs
Publication statusPublished - 2016 Oct 1

Fingerprint

Butyric acid
Butyric Acid
butyric acid
Conversion efficiency
esters
copolymers
Esters
Copolymers
solar cells
polymers
short circuit currents
Short circuit currents
Atomic force microscopy
Polymers
atomic force microscopy
Transmission electron microscopy
Thin films
transmission electron microscopy
thin films
Polymer solar cells

Keywords

  • Copolymer
  • Isoindigo
  • Morphology
  • Polymer blend
  • Polymer solar cell
  • Power conversion efficiency

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Chemistry
  • Metals and Alloys
  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Ternary polymer solar cell based on two donors and one acceptor for improving morphology and power conversion efficiency. / Um, Hyun Ah; Lee, Dae Hee; Park, Gi Eun; Cho, Min Ju; Choi, Dong Hoon.

In: Synthetic Metals, Vol. 220, 01.10.2016, p. 362-368.

Research output: Contribution to journalArticle

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