Orientationally engineered 2D/3D perovskite for high efficiency solar cells

  • Muhammad Sohail Abbas
  • , Sabir Hussain
  • , Jinaqi Zhang
  • , Boxin Wang
  • , Chen Yang
  • , Zhen Wang
  • , Zhixiang Wei
  • , Rashid Ahmad

Research output: Contribution to journalArticlepeer-review

Abstract

Recently, the focus on perovskite solar cell researchers has shifted from 3D perovskites to hybrid 2D/3D multidimensional perovskite, in which a large cation is used as a spacer between the [PbX6]4- layers. 2D/3D perovskites are stable as compared to 3D ones but they suffer from inferior photovoltaic performance. Herein, we report a highly efficient anilinium based 2D/3D perovskite with improved PCE of 16%. We have utilized a better compositional management, which has resulted in a 2D/3D perovskite, in which a 2D layered perovskite An2PbI4 coherently exists with a bulk of 3D MAPbI3 perovskite periodically oriented in the vertical direction. This new 2D/3D perovskite has surpassed 3D MAPbI3 in terms of not only photovoltaic performance but also in PL emission, surface morphology, and surface potential.

Original languageEnglish
Pages (from-to)324-330
Number of pages7
JournalSustainable Energy and Fuels
Volume4
Issue number1
DOIs
Publication statusPublished - 2019
Externally publishedYes

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