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Ultralow contact resistance in halide perovskite devices

Taoyu Zou
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Researchers at Pohang University of Science and Technology discovered a charge-transfer mechanism between metal oxides and halide perovskites that locally dopes the semiconductor at contact interfaces. This doping effect slashes contact resistance to ultralow levels, enabling highly efficient charge injection at low voltages—critical for next-gen electronic and optoelectronic devices. The breakthrough leverages bulk-heterojunction doping in lead halide perovskites, creating near-ideal metal-semiconductor contacts without traditional trade-offs in performance or stability. Published in February 2026, the study builds on prior work in perovskite electronics but introduces a scalable, material-specific solution to a longstanding bottleneck in device efficiency. The authors declare no competing interests, emphasizing the technique’s potential for commercial applications in solar cells, LEDs, and transistors.
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Subjects Electronic devicesElectronic properties and materials A charge transfer between metal oxide and halide perovskites occurring beneath the metal contact surface locally dopes the semiconductor, dramatically reducing contact resistance and enabling efficient low-voltage charge injection. Access through your institution Buy or subscribe This is a preview of subscription content, access via your institution Access options Access through your institution Access Nature and 54 other Nature Portfolio journals Get Nature+, our best-value online-access subscription $32.99 / 30 days cancel any time Learn more Subscribe to this journal Receive 12 print issues and online access $259.00 per year only $21.58 per issue Learn more Rent or buy this article Prices vary by article type from$1.95 to$39.95 Learn more Prices may be subject to local taxes which are calculated during checkout Fig. 1: Charge-transfer doping at metal–perovskite contacts. ReferencesDennard, R. H. et al. IEEE J.

Solid State Circuits 9, 256–268 (1974).Article Google Scholar Xu, Y. et al. Adv. Mater. 30, 1801830 (2018).Article Google Scholar Allain, A., Kang, J., Banerjee, K. & Kis, A. Nat. Mater. 14, 1195–1205 (2015).Article CAS PubMed Google Scholar Euvrard, J., Yan, Y. & Mitzi, D. B. Nat. Rev. Mater. 6, 531–549 (2021).Article CAS Google Scholar Wang, Y. et al. Nat. Nanotechnol. 15, 768–775 (2020).Article CAS PubMed Google Scholar Lin, Y. et al. Nat. Commun. 12, 7 (2021).Article CAS PubMed PubMed Central Google Scholar Wang, L. et al. Nat. Mater. https://doi.org/10.1038/s41563-026-02485-x (2026).Article PubMed Google Scholar Nodari, D. et al. Nat. Rev. Mater. 10, 842–856 (2025).Article CAS Google Scholar Reo, Y. et al. Nat. Electron. 8, 403–410 (2025).Article CAS Google Scholar Download referencesAuthor informationAuthors and AffiliationsDepartment of Chemical Engineering, Pohang University of Science and Technology, Pohang, Republic of KoreaTaoyu Zou & Yong-Young NohAuthorsTaoyu ZouView author publicationsSearch author on:PubMed Google ScholarYong-Young NohView author publicationsSearch author on:PubMed Google ScholarCorresponding authorCorrespondence to Yong-Young Noh.Ethics declarations Competing interests The authors declare no competing interests. Rights and permissionsReprints and permissionsAbout this articleCite this articleZou, T., Noh, YY. Ultralow contact resistance in halide perovskite devices. Nat. Mater. (2026). https://doi.org/10.1038/s41563-026-02482-0Download citationPublished: 20 February 2026Version of record: 20 February 2026DOI: https://doi.org/10.1038/s41563-026-02482-0Share this articleAnyone you share the following link with will be able to read this content:Get shareable linkSorry, a shareable link is not currently available for this article.Copy shareable link to clipboard Provided by the Springer Nature SharedIt content-sharing initiative Bulk-heterojunction doping in lead halide perovskites for low-resistance metal contacts Laiyuan WangBoxuan ZhouXiangfeng Duan Nature Materials Article 20 Feb 2026

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