Nature Communications (Oct 2018)

Multibandgap quantum dot ensembles for solar-matched infrared energy harvesting

  • Bin Sun,
  • Olivier Ouellette,
  • F. Pelayo García de Arquer,
  • Oleksandr Voznyy,
  • Younghoon Kim,
  • Mingyang Wei,
  • Andrew H. Proppe,
  • Makhsud I. Saidaminov,
  • Jixian Xu,
  • Mengxia Liu,
  • Peicheng Li,
  • James Z. Fan,
  • Jea Woong Jo,
  • Hairen Tan,
  • Furui Tan,
  • Sjoerd Hoogland,
  • Zheng Hong Lu,
  • Shana O. Kelley,
  • Edward H. Sargent

DOI
https://doi.org/10.1038/s41467-018-06342-7
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 7

Abstract

Read online

Efficient harvest of solar energy beyond the silicon absorption edge of 1100 nm by semiconductor solar cells remains a challenge. Here Sun et al. mix high multi-bandgap lead sulfide colloidal quantum dot ensembles to further increase both short circuit current and open circuit voltage.