Blade-Coated Perovskites on Textured Silicon for 26%-Efficient Monolithic Perovskite/Silicon Tandem Solar Cells

Bo Chen, Zhengshan J. Yu, Salman Manzoor, Shen Wang, William Weigand, Zhenhua Yu, Guang Yang, Zhenyi Ni, Xuezeng Dai, Zachary C. Holman, Jinsong Huang

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

As an outstanding tandem partner for silicon solar cells, solution-processed metal halide perovskites offer highly efficient photovoltaics at low cost. To date, the reported monolithic perovskite/silicon tandem cells are fabricated primarily on silicon cells with a front-side-polished surface, which is not compatible with the industrial-standard double-side-textured silicon cells. Thermal evaporation of perovskite film has been reported for perovskite/silicon tandem cells on textured silicon to bridge the gap, but it sacrifices the advantage of solution-processed perovskites. Here, we develop a new tandem architecture that enables scalable, solution-based blading of perovskites onto textured silicon wafers. This new tandem architecture combines the advances of textured silicon photovoltaics and solution-processed perovskite photovoltaics to increase the efficiency while reducing the cost of monolithic perovskite/silicon tandem cells.

Original languageEnglish (US)
Pages (from-to)850-864
Number of pages15
JournalJoule
Volume4
Issue number4
DOIs
StatePublished - Apr 15 2020

Keywords

  • PDMS
  • blade coating
  • light scattering layer
  • monolithic
  • perovskite solar cells
  • planarized
  • tandem solar cells
  • textured silicon

ASJC Scopus subject areas

  • Energy(all)

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