Nature Communications (Oct 2018)

Energy level tuned indium arsenide colloidal quantum dot films for efficient photovoltaics

  • Jung Hoon Song,
  • Hyekyoung Choi,
  • Hien Thu Pham,
  • Sohee Jeong

DOI
https://doi.org/10.1038/s41467-018-06399-4
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 9

Abstract

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Existing n-type colloidal quantum dot materials easily lose their doping polarity in air. Here Song et al. passivate the reactive covalent surface of indium arsenide quantum dots to gain the energy-level tunability and show p–n junction type solar cells with 7.92% certified efficiency.