Ex-situ transferring of polydopamine films on semiconductor interface: Evidence of functional hybrid heterojunction
EUROPEAN POLYMER JOURNAL(2024)
摘要
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 similar to 2250 %. This opens doors to various practical applications for hybrid heterojunctions.
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关键词
Polydopamine,Functional surfaces,Interfaces,Electron transfer,Metal oxides,Photo degradation
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