Benzodithiophene Hole-Transporting Materials for Efficient Tin-Based Perovskite Solar Cells

Sureshraju Vegiraju, Weijun Ke, Pragya Priyanka, Jen Shyang Ni, Yi Ching Wu, Ioannis Spanopoulos, Shueh Lin Yau, Tobin J Marks, Ming Chou Chen, Mercouri G Kanatzidis

Research output: Contribution to journalArticle

Abstract

Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high-performance Pb-free Sn-based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)-based organic small molecules containing tetra- and di-triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT-based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn-based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT-based HTMs deliver a champion power conversion efficiency up to 7.59%, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT-based molecules are promising candidates as HTMs for the fabrication of high-performance Sn-based PSCs.

Original languageEnglish
Article number1905393
JournalAdvanced Functional Materials
DOIs
Publication statusAccepted/In press - Jan 1 2019

Fingerprint

Tin
tin
solar cells
Molecules
Solar cells
molecules
Iodides
Electrochemical properties
iodides
Conversion efficiency
halides
Amines
amines
Thermodynamic properties
Optical properties
thermodynamic properties
routes
Perovskite solar cells
optical properties
Fabrication

Keywords

  • benzodithiophene
  • lead-free
  • perovskite solar cells
  • tin
  • triphenylamine

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Electrochemistry

Cite this

Benzodithiophene Hole-Transporting Materials for Efficient Tin-Based Perovskite Solar Cells. / Vegiraju, Sureshraju; Ke, Weijun; Priyanka, Pragya; Ni, Jen Shyang; Wu, Yi Ching; Spanopoulos, Ioannis; Yau, Shueh Lin; Marks, Tobin J; Chen, Ming Chou; Kanatzidis, Mercouri G.

In: Advanced Functional Materials, 01.01.2019.

Research output: Contribution to journalArticle

Vegiraju, Sureshraju ; Ke, Weijun ; Priyanka, Pragya ; Ni, Jen Shyang ; Wu, Yi Ching ; Spanopoulos, Ioannis ; Yau, Shueh Lin ; Marks, Tobin J ; Chen, Ming Chou ; Kanatzidis, Mercouri G. / Benzodithiophene Hole-Transporting Materials for Efficient Tin-Based Perovskite Solar Cells. In: Advanced Functional Materials. 2019.
@article{4f7a4b2c31c1455ba4c7a9f274709abb,
title = "Benzodithiophene Hole-Transporting Materials for Efficient Tin-Based Perovskite Solar Cells",
abstract = "Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high-performance Pb-free Sn-based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)-based organic small molecules containing tetra- and di-triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT-based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn-based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT-based HTMs deliver a champion power conversion efficiency up to 7.59{\%}, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT-based molecules are promising candidates as HTMs for the fabrication of high-performance Sn-based PSCs.",
keywords = "benzodithiophene, lead-free, perovskite solar cells, tin, triphenylamine",
author = "Sureshraju Vegiraju and Weijun Ke and Pragya Priyanka and Ni, {Jen Shyang} and Wu, {Yi Ching} and Ioannis Spanopoulos and Yau, {Shueh Lin} and Marks, {Tobin J} and Chen, {Ming Chou} and Kanatzidis, {Mercouri G}",
year = "2019",
month = "1",
day = "1",
doi = "10.1002/adfm.201905393",
language = "English",
journal = "Advanced Functional Materials",
issn = "1616-301X",
publisher = "Wiley-VCH Verlag",

}

TY - JOUR

T1 - Benzodithiophene Hole-Transporting Materials for Efficient Tin-Based Perovskite Solar Cells

AU - Vegiraju, Sureshraju

AU - Ke, Weijun

AU - Priyanka, Pragya

AU - Ni, Jen Shyang

AU - Wu, Yi Ching

AU - Spanopoulos, Ioannis

AU - Yau, Shueh Lin

AU - Marks, Tobin J

AU - Chen, Ming Chou

AU - Kanatzidis, Mercouri G

PY - 2019/1/1

Y1 - 2019/1/1

N2 - Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high-performance Pb-free Sn-based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)-based organic small molecules containing tetra- and di-triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT-based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn-based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT-based HTMs deliver a champion power conversion efficiency up to 7.59%, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT-based molecules are promising candidates as HTMs for the fabrication of high-performance Sn-based PSCs.

AB - Developing efficient interfacial hole transporting materials (HTMs) is crucial for achieving high-performance Pb-free Sn-based halide perovskite solar cells (PSCs). Here, a new series of benzodithiophene (BDT)-based organic small molecules containing tetra- and di-triphenyl amine donors prepared via a straightforward and scalable synthetic route is reported. The thermal, optical, and electrochemical properties of two BDT-based molecules are shown to be structurally and energetically suitable to serve as HTMs for Sn-based PSCs. It is reported here that ethylenediammonium/formamidinium tin iodide solar cells using BDT-based HTMs deliver a champion power conversion efficiency up to 7.59%, outperforming analogous reference solar cells using traditional and expensive HTMs. Thus, these BDT-based molecules are promising candidates as HTMs for the fabrication of high-performance Sn-based PSCs.

KW - benzodithiophene

KW - lead-free

KW - perovskite solar cells

KW - tin

KW - triphenylamine

UR - http://www.scopus.com/inward/record.url?scp=85071739241&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85071739241&partnerID=8YFLogxK

U2 - 10.1002/adfm.201905393

DO - 10.1002/adfm.201905393

M3 - Article

JO - Advanced Functional Materials

JF - Advanced Functional Materials

SN - 1616-301X

M1 - 1905393

ER -