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A tunable metal-polyaniline interface for efficient carbon dioxide electro-reduction to formic acid and methanol in
Weiran Zheng1, Simantini Nayak2, Weizi Yuan2
1Department of Chemistry, University of Oxford, Oxford, OX1 3QR, UK. edman.tsang@chem.ox.ac.uk and Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hong Kong SAR, P. R. China.
Abstract:
It is reported that metals on polyaniline (PANI) prepared by a simple method can exhibit excellent activity in the electro-reduction of CO2 to HCOOH or CH3OH due to tunable properties: N atoms on PANI capture CO2 through a strong Lewis acid-base interaction while Pd atoms, amongst Pd, Pt, and Cu studied, facilitate the fastest proton and electron transfers along PANI to the CO2 trapped sites to give rise to the best HCOOH yield in a highly cooperative manner.
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