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Investigation of sol-gel and nanoparticle-based NiOx hole transporting layer for high-performance planar perovskite solar cells

  • You Hyun Seo
  • , In Hwa Cho*
  • , Seok In Na
  • *Corresponding author for this work
  • Jeonbuk National University
  • Gwangju Institute of Science and Technology

Research output: Contribution to journalJournal articlepeer-review

Abstract

We conduct a comprehensive study on and comparison of sol-gel and nanoparticles (NPs)-based nickel oxide hole-transporting layer (HTL)for high-performance planar perovskite solar cells (PSCs). The characteristics and film properties of sol-gel and NPs were systemically investigated using ultraviolet photoelectron spectroscopy (UPS), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and photoluminescence (PL), and its effect on device-performance was also examined using J-V characteristics, quantum-efficiency, and the VOC dependence of the light intensity. Through this comparison of two types of HTL and their device-performances, these studies can provide sufficient and robust information for nickel oxide-based PSCs, and furthermore, the overall results and discussions can be useful for high-performance PSCs.

Original languageEnglish
Pages (from-to)1018-1024
Number of pages7
JournalJournal of Alloys and Compounds
Volume797
DOIs
StatePublished - 2019.08.15

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • Hole transporting layer
  • Nanoparticles
  • Nickel oxide
  • Planar perovskite solar cells
  • Sol-gel

Quacquarelli Symonds(QS) Subject Topics

  • Engineering - Mechanical
  • Materials Science

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