Facilely Synthesized spiro[fluorene-9,9′-phenanthren-10′-one] in Donor–Acceptor–Donor Hole-Transporting Materials for Perovskite Solar Cells

Yih Chun Chen, Shao Ku Huang, Shao Sian Li, Yao Yu Tsai, Chih Ping Chen, Chun Wei Chen, Yuan Jay Chang

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

We have demonstrated two novel donor–acceptor–donor (D–A–D) hole-transport material (HTM) with spiro[fluorene-9,9′-phenanthren-10′-one] as the core structure, which can be synthesized through a low-cost process in high yield. Compared to the incorporation of the conventional HTM of commonly used 2,2′,7,7′-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene (Spiro-OMeTAD), the synthesis process is greatly simplified for the presented D–A–D materials, including a minimum number of purification processes. This results in an increased production yield (>55 %) and suppressed production cost (<30 $ g−1), in addition to high power conversion efficiency (PCE) in perovskite solar cells (PSCs). The PCE of a PSC using our D–A–D HTM reaches 16.06 %, similar to that of Spiro-OMeTAD (16.08 %), which is attributed to comparable hole mobility and charge-transfer efficiency. D–A–D HTMs also provide better moisture resistivity to prolong the lifetime of PSCs under ambient conditions relative to their Spiro-OMeTAD counterparts. The proposed new type of D–A–D HTM has shown promising performance as an alternative HTM for PSCs and can be synthesized with high production throughput.

Original languageEnglish
Pages (from-to)3225-3233
Number of pages9
JournalChemSusChem
Volume11
Issue number18
DOIs
Publication statusPublished - Sep 21 2018

Fingerprint

perovskite
Conversion efficiency
Hole mobility
production cost
Purification
purification
solar cell
material
fluorene
Perovskite solar cells
Charge transfer
Costs
electrical resistivity
Moisture
Throughput
moisture
cost

Keywords

  • donor–acceptor
  • hole-transport material
  • perovskite
  • solar cells
  • stability

ASJC Scopus subject areas

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

Cite this

Facilely Synthesized spiro[fluorene-9,9′-phenanthren-10′-one] in Donor–Acceptor–Donor Hole-Transporting Materials for Perovskite Solar Cells. / Chen, Yih Chun; Huang, Shao Ku; Li, Shao Sian; Tsai, Yao Yu; Chen, Chih Ping; Chen, Chun Wei; Chang, Yuan Jay.

In: ChemSusChem, Vol. 11, No. 18, 21.09.2018, p. 3225-3233.

Research output: Contribution to journalArticle

Chen, Yih Chun ; Huang, Shao Ku ; Li, Shao Sian ; Tsai, Yao Yu ; Chen, Chih Ping ; Chen, Chun Wei ; Chang, Yuan Jay. / Facilely Synthesized spiro[fluorene-9,9′-phenanthren-10′-one] in Donor–Acceptor–Donor Hole-Transporting Materials for Perovskite Solar Cells. In: ChemSusChem. 2018 ; Vol. 11, No. 18. pp. 3225-3233.
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abstract = "We have demonstrated two novel donor–acceptor–donor (D–A–D) hole-transport material (HTM) with spiro[fluorene-9,9′-phenanthren-10′-one] as the core structure, which can be synthesized through a low-cost process in high yield. Compared to the incorporation of the conventional HTM of commonly used 2,2′,7,7′-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene (Spiro-OMeTAD), the synthesis process is greatly simplified for the presented D–A–D materials, including a minimum number of purification processes. This results in an increased production yield (>55 {\%}) and suppressed production cost (<30 $ g−1), in addition to high power conversion efficiency (PCE) in perovskite solar cells (PSCs). The PCE of a PSC using our D–A–D HTM reaches 16.06 {\%}, similar to that of Spiro-OMeTAD (16.08 {\%}), which is attributed to comparable hole mobility and charge-transfer efficiency. D–A–D HTMs also provide better moisture resistivity to prolong the lifetime of PSCs under ambient conditions relative to their Spiro-OMeTAD counterparts. The proposed new type of D–A–D HTM has shown promising performance as an alternative HTM for PSCs and can be synthesized with high production throughput.",
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AU - Huang, Shao Ku

AU - Li, Shao Sian

AU - Tsai, Yao Yu

AU - Chen, Chih Ping

AU - Chen, Chun Wei

AU - Chang, Yuan Jay

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AB - We have demonstrated two novel donor–acceptor–donor (D–A–D) hole-transport material (HTM) with spiro[fluorene-9,9′-phenanthren-10′-one] as the core structure, which can be synthesized through a low-cost process in high yield. Compared to the incorporation of the conventional HTM of commonly used 2,2′,7,7′-tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene (Spiro-OMeTAD), the synthesis process is greatly simplified for the presented D–A–D materials, including a minimum number of purification processes. This results in an increased production yield (>55 %) and suppressed production cost (<30 $ g−1), in addition to high power conversion efficiency (PCE) in perovskite solar cells (PSCs). The PCE of a PSC using our D–A–D HTM reaches 16.06 %, similar to that of Spiro-OMeTAD (16.08 %), which is attributed to comparable hole mobility and charge-transfer efficiency. D–A–D HTMs also provide better moisture resistivity to prolong the lifetime of PSCs under ambient conditions relative to their Spiro-OMeTAD counterparts. The proposed new type of D–A–D HTM has shown promising performance as an alternative HTM for PSCs and can be synthesized with high production throughput.

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