Large-area organic solar cells by accelerated blade coating

Pei Ting Tsai, Kai Chieh Yu, Chia Ju Chang, Sheng Fu Horng, Hsin Fei Meng

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Abstract Large-area photovoltaic devices have been fabricated using the blade coating technique. In this study, the use of accelerated blade motion in this technique significantly improved the thickness uniformity of blade-coated layers of polymer solar cells on an A4 glass substrate. Two types of active layers, P3HT:PC61BM and POD2T-DTBT:PC71BM, were studied. For the P3HT:PC61BM film, a thickness of 221 ± 14 nm was realised in a 12 × 15 cm2 active region with a coating blade acceleration of 8 mm/s2. For the POD2T-DTBT:PC71BM film, a thickness of 98 ± 6 nm was realised with a coating blade acceleration of 10 mm/s2. Ten cells, each measuring 0.9 cm × 12 cm and monolithically fabricated, were connected in series, yielding a total active area of 108 cm2. The power conversion efficiency of the resulting 10-cell module was 2.66% and 3.64% for P3HT:PC61BM and POD2T-DTBT:PC71BM, respectively. The blade coating technique involving the accelerated blade motion is therefore useful for fabricating low-cost large-area organic solar cells, and it may be a promising alternative for the commercialisation of organic solar cells.

Original languageEnglish
Article number2984
Pages (from-to)166-172
Number of pages7
JournalOrganic Electronics: physics, materials, applications
Volume22
DOIs
Publication statusPublished - Jan 1 2015
Externally publishedYes

Fingerprint

Coating techniques
blades
solar cells
coatings
Coatings
Conversion efficiency
Glass
Substrates
coating
Costs
commercialization
Organic solar cells
cells
modules
glass
polymers
Polymer solar cells

Keywords

  • Acceleration
  • Blade coating
  • Large-area
  • Organic solar cells

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry
  • Electrical and Electronic Engineering

Cite this

Large-area organic solar cells by accelerated blade coating. / Tsai, Pei Ting; Yu, Kai Chieh; Chang, Chia Ju; Horng, Sheng Fu; Meng, Hsin Fei.

In: Organic Electronics: physics, materials, applications, Vol. 22, 2984, 01.01.2015, p. 166-172.

Research output: Contribution to journalArticle

Tsai, Pei Ting ; Yu, Kai Chieh ; Chang, Chia Ju ; Horng, Sheng Fu ; Meng, Hsin Fei. / Large-area organic solar cells by accelerated blade coating. In: Organic Electronics: physics, materials, applications. 2015 ; Vol. 22. pp. 166-172.
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AB - Abstract Large-area photovoltaic devices have been fabricated using the blade coating technique. In this study, the use of accelerated blade motion in this technique significantly improved the thickness uniformity of blade-coated layers of polymer solar cells on an A4 glass substrate. Two types of active layers, P3HT:PC61BM and POD2T-DTBT:PC71BM, were studied. For the P3HT:PC61BM film, a thickness of 221 ± 14 nm was realised in a 12 × 15 cm2 active region with a coating blade acceleration of 8 mm/s2. For the POD2T-DTBT:PC71BM film, a thickness of 98 ± 6 nm was realised with a coating blade acceleration of 10 mm/s2. Ten cells, each measuring 0.9 cm × 12 cm and monolithically fabricated, were connected in series, yielding a total active area of 108 cm2. The power conversion efficiency of the resulting 10-cell module was 2.66% and 3.64% for P3HT:PC61BM and POD2T-DTBT:PC71BM, respectively. The blade coating technique involving the accelerated blade motion is therefore useful for fabricating low-cost large-area organic solar cells, and it may be a promising alternative for the commercialisation of organic solar cells.

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