ZnO nanowalls grown at low-temperature for electron collection in high-efficiency perovskite solar cells

Jian Fu Tang, Zong Liang Tseng, Lung Chien Chen, Sheng Yuan Chu

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

This paper reports on the fabrication of ZnO nanowalls for use as an electron collecting layer (ECL) in CH3NH3PbI3 perovskite solar cells (PSCs). Two-dimension ZnO nanowalls were grown using a low-temperature chemical bath method with a thin Al film as a seed layer. We compared electron collecting layers based on nanowalls and sol-gel derived ZnO thin film in PSCs and sought to identify the mechanism underlying the collection of electrons. The proposed ZnO nanowalls achieved a fill factor significantly higher than that of ZnO thin films, which translated into a remarkable improvement in power conversion efficiency, reaching 13.6% under AM 1.5G illumination.

Original languageEnglish
Pages (from-to)18-22
Number of pages5
JournalSolar Energy Materials and Solar Cells
Volume154
DOIs
Publication statusPublished - 2016 Sep 1

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Renewable Energy, Sustainability and the Environment
  • Surfaces, Coatings and Films

Fingerprint Dive into the research topics of 'ZnO nanowalls grown at low-temperature for electron collection in high-efficiency perovskite solar cells'. Together they form a unique fingerprint.

Cite this