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Making weak dopants strong

Lewis acids are shown to react with water, forming a complex with Brønsted acidity able to effectively dope semiconducting polymers through backbone protonation and internal charge transfer.

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Fig. 1: Molecular p-doping of an organic semiconductor (OSC) via acid–base reaction.


  1. 1.

    Yurash, B. et al. Nat. Mater. (2019).

  2. 2.

    Pingel, P. et al. Adv. Electron. Mater. 2, 1600204 (2016).

    Article  Google Scholar 

  3. 3.

    Aubry, T. J. et al. Adv. Mater. 31, 1805647 (2019).

    Article  Google Scholar 

  4. 4.

    Yamashita, Y. et al. Nature 572, 634–638 (2019).

    CAS  Article  Google Scholar 

  5. 5.

    Kiefer, D. et al. Nat. Mater. 18, 149–155 (2019).

    CAS  Article  Google Scholar 

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Correspondence to Wei Ma.

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Yan, H., Ma, W. Making weak dopants strong. Nat. Mater. 18, 1269–1270 (2019).

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