Ex-situ transferring of polydopamine films on semiconductor interface: Evidence of functional hybrid heterojunction - Archive ouverte HAL
Article Dans Une Revue European Polymer Journal Année : 2024

Ex-situ transferring of polydopamine films on semiconductor interface: Evidence of functional hybrid heterojunction

Katarzyna Siuzdak
Daniel Aguilar-Ferrer
Mikhael Bechelany

Résumé

Polydopamine (PDA) films, when combined with model nanometric semiconductor substrates like titanium dioxide (TiO2) and zinc oxide (ZnO), enhance photocatalytic performance, generating a unique ex-situ functional heterojunction. We investigate PDA air/water films transferred onto large surfaces, revealing Janus-like films with strong chemical attachment. Spectroscopic methods confirm a functional hybrid heterojunction, while electrochemical studies show significant improvements with transfer resistance enhancement of ∼2250 %. This opens doors to various practical applications for hybrid heterojunctions.
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hal-04756985 , version 1 (28-10-2024)

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Jakub Szewczyk, Marcin Ziółek, Katarzyna Siuzdak, Igor Iatsunskyi, Mikołaj Pochylski, et al.. Ex-situ transferring of polydopamine films on semiconductor interface: Evidence of functional hybrid heterojunction. European Polymer Journal, 2024, 206, pp.112781. ⟨10.1016/j.eurpolymj.2024.112781⟩. ⟨hal-04756985⟩
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