Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

Clues from defect photochemistry

Charge carriers in metal halide perovskites seem to be only marginally affected by defect-related trap states. Filippo De Angelis and Annamaria Petrozza suggest that the key to this behaviour lies in the redox chemistry of halide defects.

This is a preview of subscription content, access via your institution

Access options

Buy article

Get time limited or full article access on ReadCube.


All prices are NET prices.

Fig. 1: Interstitial iodine defects as hole and electron traps.

adapted from ref. 4, Royal Society of Chemistry


  1. Stranks, S. D. et al. Phys. Rev. Appl. 2, 034007 (2014).

    Article  Google Scholar 

  2. Adinolfi, V. et al. Adv. Mater. 28, 3406–3410 (2016).

    Article  CAS  Google Scholar 

  3. Yin, W.-J., Shi, T. & Yan, Y. Appl. Phys. Lett. 104, 063903 (2014).

    Article  Google Scholar 

  4. Meggiolaro, D. et al. Energy Environ. Sci. 11, 702–713 (2018).

    Article  CAS  Google Scholar 

  5. Du, M.-H. J. Phys. Chem. Lett. 6, 1461–1466 (2015).

    Article  CAS  Google Scholar 

  6. Mosconi, E. & De Angelis, F. ACS Energy Lett. 1, 182–188 (2016).

    Article  CAS  Google Scholar 

  7. Wehrenfennig, C., Liu, M., Snaith, H. J., Johnston, M. B. & Herz, L. M. APL Mater. 2, 081513 (2014).

    Article  Google Scholar 

  8. Wu, X. et al. J. Am. Chem. Soc. 137, 2089–2096 (2015).

    Article  CAS  Google Scholar 

  9. Leijtens, T. et al. Energy Environ. Sci. 9, 3472–3481 (2016).

    Article  CAS  Google Scholar 

  10. Tress, W. et al. Energy Environ. Sci. 11, 151–165 (2018).

    Article  CAS  Google Scholar 

  11. Zhang, W. et al. Nat. Commun. 6, 10030 (2015).

    Article  CAS  Google Scholar 

  12. Meggiolaro, D., Mosconi, E. & De Angelis, F. ACS Energy Lett. 2794–2798 (2017).

  13. Boschloo, G. & Hagfeldt, A. Acc. Chem. Res. 42, 1819–1826 (2009).

    Article  CAS  Google Scholar 

  14. Son, D.-Y. et al. Nat. Energy 1, 16081 (2016).

    Article  CAS  Google Scholar 

  15. McMeekin, D. P. et al. Science 351, 151–155 (2016).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding authors

Correspondence to Filippo De Angelis or Annamaria Petrozza.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

De Angelis, F., Petrozza, A. Clues from defect photochemistry. Nature Mater 17, 383–384 (2018).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing