Self-Assembled Monolayers as Interface Engineering Nanomaterials in Perovskite Solar Cells

Seo Yeon Kim, Soo Jin Cho, Seo Eun Byeon, Xin He, Hyo Jae Yoon

Research output: Contribution to journalReview articlepeer-review

113 Citations (Scopus)


Self-assembled monolayers (SAMs), owing to their unique and versatile abilities to manipulate chemical and physical interfacial properties, have emerged as powerful nanomaterials for improving the performance of perovskite solar cells (PSCs). Indeed, in the last six years, a collection of studies has shown that the application of SAMs to PSCs boosts the performance of devices compared to the pristine PSCs. This review describes recent studies that demonstrate the direct advantages of SAM-based interfacial engineering to power conversion efficiency (PCE) of PSCs. This review includes 1) a brief introduction on SAMs as interfacial engineering nanomaterials; 2) a thorough survey of molecules used in SAM-engineered PSCs and analysis of chemical structures; 3) an extensive discussion on how SAMs affect the morphology of perovskite film and the electronic function of devices; and 4) a comprehensive summary of various types of approaches for producing SAM-engineered PSCs. This review provides an insightful perspective to stimulate new ideas and innovation in the development of PSCs for the next-generation photovoltaics and beyond.

Original languageEnglish
Article number2002606
JournalAdvanced Energy Materials
Issue number44
Publication statusPublished - 2020 Nov 24


  • SAM-engineered PSCs
  • interfacial engineering
  • perovskite solar cells
  • photovoltaics
  • self-assembled monolayers

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Materials Science(all)


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