Highly Efficient and Stable Planar Perovskite Solar Cells With Large-Scale Manufacture of E-Beam Evaporated SnO2 Toward Commercialization

Junjie Ma, Xiaolu Zheng, Hongwei Lei, Weijun Ke, Cong Chen, Zhiliang Chen, Guang Yang, Guojia Fang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

79 Citations (Scopus)

Abstract

In recent years, photovoltaic properties of hybrid perovskite solar cells (PSCs) have led to impressive improvement. Yet, there is still remain a challenge for large scale application and commercialization. Some of the reasons are the instability of the perovskite film and the lack of large-scale and low-cost manufacture techniques for electron transport layer (ETL). Tin oxide (SnO2) has emerged as a promising candidate for ETL, however, systematic exploration of its commercialized application in PSCs is still missing. Here, SnO2 ETL is prepared through an electron beam evaporation technology under low-temperature process to realize large-scale, low-cost, and uniform manufacture. Hundreds of SnO2 ETL substrates can be fabricated at one time, which deserves industrial deployment. As a result, PSCs based on e-beam evaporated SnO2 ETL and Cs-containing blended perovskite absorber layer exhibit a power conversion efficiency (PCE) of up to 18.2% without any interface modification. Furthermore, the PSCs demonstrate remarkable long-term stability, which remained at 97% of its initial PCE after being stored for over 34 days. The results demonstrate the great potential of the PSCs based on e-beam evaporated SnO2 ETLs towards commercialization.

Original languageEnglish
Article number1700118
JournalSolar RRL
Volume1
Issue number10
DOIs
Publication statusPublished - 1 Oct 2017

Keywords

  • commercialization
  • electron beam evaporation
  • large scale
  • perovskite solar cells
  • SnO

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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