Nature Communications (Oct 2020)

Long-range exciton diffusion in molecular non-fullerene acceptors

  • Yuliar Firdaus,
  • Vincent M. Le Corre,
  • Safakath Karuthedath,
  • Wenlan Liu,
  • Anastasia Markina,
  • Wentao Huang,
  • Shirsopratim Chattopadhyay,
  • Masrur Morshed Nahid,
  • Mohamad I. Nugraha,
  • Yuanbao Lin,
  • Akmaral Seitkhan,
  • Aniruddha Basu,
  • Weimin Zhang,
  • Iain McCulloch,
  • Harald Ade,
  • John Labram,
  • Frédéric Laquai,
  • Denis Andrienko,
  • L. Jan Anton Koster,
  • Thomas D. Anthopoulos

DOI
https://doi.org/10.1038/s41467-020-19029-9
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 10

Abstract

Read online

The short-range diffusion length of organic semiconductors severely limits exciton harvesting and charge generation in organic bulk heterojunction solar cells. Here, the authors report exciton diffusion length in the range of 20 to 47 nm for a wide range of non-fullerene acceptors molecules.