Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells

Pei Ting Tsai, Kuan Chu Lin, Cheng Yu Wu, Chung Hung Liao, Man Chun Lin, Ying Qian Wong, Hsin Fei Meng, Chih Yu Chang, Chien Lung Wang, Yi Fan Huang, Sheng Fu Horng, Hsiao Wen Zan, Yu Chiang Chao

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Here, we report that long-term stable and efficient organic solar cells (OSCs) can be obtained through the following strategies: i) combination of rapid-drying blade-coating deposition with an appropriate thermal annealing treatment to obtain an optimized morphology of the active layer; ii) insertion of interfacial layers to optimize the interfacial properties. The resulting devices based on poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b;4,5-b′]dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-2-carboxylate-2,6-diyl)] (PBDTTT-EFT):[6,6]-phenyl C71 butyric acid methyl ester (PC71BM) blend as the active layer exhibits a power conversion efficiency (PCE) up to 9.57 %, which represents the highest efficiency ever reported for blade-coated OSCs. Importantly, the conventional structure devices based on poly(3-hexylthiophene) (P3HT):phenyl-C61-butyric acid methyl ester (PCBM) blend can retain approximately 65 % of their initial PCE for almost 2 years under operating conditions, which is the best result ever reported for long-term stable OSCs under operational conditions. More encouragingly, long-term stable large-area OSCs (active area=216 cm2) based on P3HT:PCBM blend are also demonstrated. Our findings represent an important step toward the development of large-area OSCs with high performance and long-term stability.

Original languageEnglish
Pages (from-to)2778-2787
Number of pages10
JournalChemSusChem
Volume10
Issue number13
DOIs
Publication statusPublished - Jan 1 2017
Externally publishedYes

Fingerprint

Butyric acid
Butyric Acid
ester
Esters
active layer
Conversion efficiency
acid
Thiophene
annealing
coating
Drying
Organic solar cells
solar cell
Annealing
Coatings
poly(3-hexylthiophene)

Keywords

  • annealing
  • blade coating
  • organic solar cells
  • power conversion efficiency
  • stability

ASJC Scopus subject areas

  • Environmental Chemistry
  • Chemical Engineering(all)
  • Materials Science(all)
  • Energy(all)

Cite this

Tsai, P. T., Lin, K. C., Wu, C. Y., Liao, C. H., Lin, M. C., Wong, Y. Q., ... Chao, Y. C. (2017). Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells. ChemSusChem, 10(13), 2778-2787. https://doi.org/10.1002/cssc.201700601

Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells. / Tsai, Pei Ting; Lin, Kuan Chu; Wu, Cheng Yu; Liao, Chung Hung; Lin, Man Chun; Wong, Ying Qian; Meng, Hsin Fei; Chang, Chih Yu; Wang, Chien Lung; Huang, Yi Fan; Horng, Sheng Fu; Zan, Hsiao Wen; Chao, Yu Chiang.

In: ChemSusChem, Vol. 10, No. 13, 01.01.2017, p. 2778-2787.

Research output: Contribution to journalArticle

Tsai, PT, Lin, KC, Wu, CY, Liao, CH, Lin, MC, Wong, YQ, Meng, HF, Chang, CY, Wang, CL, Huang, YF, Horng, SF, Zan, HW & Chao, YC 2017, 'Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells', ChemSusChem, vol. 10, no. 13, pp. 2778-2787. https://doi.org/10.1002/cssc.201700601
Tsai PT, Lin KC, Wu CY, Liao CH, Lin MC, Wong YQ et al. Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells. ChemSusChem. 2017 Jan 1;10(13):2778-2787. https://doi.org/10.1002/cssc.201700601
Tsai, Pei Ting ; Lin, Kuan Chu ; Wu, Cheng Yu ; Liao, Chung Hung ; Lin, Man Chun ; Wong, Ying Qian ; Meng, Hsin Fei ; Chang, Chih Yu ; Wang, Chien Lung ; Huang, Yi Fan ; Horng, Sheng Fu ; Zan, Hsiao Wen ; Chao, Yu Chiang. / Toward Long-Term Stable and Efficient Large-Area Organic Solar Cells. In: ChemSusChem. 2017 ; Vol. 10, No. 13. pp. 2778-2787.
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