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Issue 85, 2020
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P-doped WO3 flowers fixed on a TiO2 nanofibrous membrane for enhanced electroreduction of N2

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Abstract

Herein, nanoneedle-constructed WO3 flowers are prepared by hydrothermal synthesis, which are characterized by a large surface area leading to abundant active sites. Additionally, P doping is employed as an effective way to generate charge imbalance and induce more empty d-orbitals around W6+, thus facilitating the adsorption of N2 molecules. Moreover, a flexible TiO2 nanofibrous membrane is used as an electrocatalytically active matrix to fix the P-doped, nanoneedle-constructed WO3 flowers. The hierarchically structured P-WO3@TiO2 nanofibrous membrane acts as a self-supported electrocatalyst, presenting an enhanced ammonia yield (6.54 × 10−10 mol s−1 cm−2) and faradaic efficiency (17.5%) compared to the undoped counterpart.

Graphical abstract: P-doped WO3 flowers fixed on a TiO2 nanofibrous membrane for enhanced electroreduction of N2

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Article information


Submitted
29 Aug 2020
Accepted
16 Sep 2020
First published
17 Sep 2020

Chem. Commun., 2020,56, 12937-12940
Article type
Communication

P-doped WO3 flowers fixed on a TiO2 nanofibrous membrane for enhanced electroreduction of N2

Y. Wang, J. Dai, M. Zhang, Y. Liu, J. Yu and B. Ding, Chem. Commun., 2020, 56, 12937
DOI: 10.1039/D0CC05854H

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