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.


Light may harm or help

The ionic conductivity of a halide perovskite can be boosted by light. This may be detrimental for perovskite solar cells, but also holds promise for solid-state photoelectrochemical devices.

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: Light-induced effects in mixed ionic electronic conductors and possible technological uses.


  1. Kim, G. Y. et al. Nat. Mater. (2018).

    Article  Google Scholar 

  2. Senocrate, A. et al. Angew. Chem. Int. Ed. 56, 7755–7759 (2017).

    Article  CAS  Google Scholar 

  3. Yang, T.-Y., Gregori, G., Pellet, N., Grätzel, M. & Maier, J. Angew. Chem. Int. Ed. 54, 7905–7910 (2015).

    Article  CAS  Google Scholar 

  4. Zhang, H.-T. et al. Adv. Funct. Mater. 26, 6612–6618 (2016).

    Article  CAS  Google Scholar 

  5. Wang, R., Sakai, N., Fujishima, A., Watanabe, T. & Hashimoto, K. J. Phys. Chem. B 103, 2188–2194 (1999).

    Article  CAS  Google Scholar 

  6. Zhang, Y. et al. Int. J. Hydrog. Energy 41, 2215–2221 (2016).

    Article  CAS  Google Scholar 

  7. Russo, P., Xiao, M., Liang, R. & Zhou, N. Y. Adv. Funct. Mater. (2018).

    Article  Google Scholar 

  8. Walch, G. et al. J. Mat. Chem. A 5, 1637–1649 (2017).

    Article  CAS  Google Scholar 

  9. Evarestov, R. A., Platonenko, A., Gryaznov, D., Zhukovskii, Y. F. & Kotomin, E. A. Phys. Chem. Chem. Phys. 19, 25245–25251 (2017).

    Article  CAS  Google Scholar 

Download references

Author information

Authors and Affiliations


Corresponding authors

Correspondence to Jürgen Fleig or Markus Kubicek.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Fleig, J., Kubicek, M. Light may harm or help. Nature Mater 17, 389–391 (2018).

Download citation

  • Published:

  • Issue Date:

  • DOI:


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