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Triphenylamine and terpyridine–zinc(ii) complex based donor–acceptor soft hybrid as a visible light-driven hydrogen evolution photocatalyst

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Abstract

A donor–acceptor coordination polymer (TPA-Zn) was synthesized by Zn(II)-assisted self-assembly of an in situ generated triphenylamine (TPA) cored tristerpyridine ligand. The polymer absorbs a broad-spectrum of light and exhibits visible light-assisted hydrogen generation (27.1 mmol g−1 over 9 h) from water with 2.9% quantum efficiency at 400 nm. The microscopy images show a mesoscale fibrous morphology and the Brunauer–Emmett–Teller (BET) analysis reveals the porous nature of TPA-Zn (surface area: 234.5 m2 g; d = 6.98 nm), both of which are helpful for substrate diffusion during catalysis.

Graphical abstract: Triphenylamine and terpyridine–zinc(ii) complex based donor–acceptor soft hybrid as a visible light-driven hydrogen evolution photocatalyst

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Article information


Submitted
27 Feb 2020
Accepted
03 Sep 2020
First published
04 Sep 2020

J. Mater. Chem. A, 2020, Advance Article
Article type
Communication

Triphenylamine and terpyridine–zinc(II) complex based donor–acceptor soft hybrid as a visible light-driven hydrogen evolution photocatalyst

D. Samanta, M. Kumar, S. Singh, P. Verma, K. K. Kar, T. K. Maji and M. K. Ghorai, J. Mater. Chem. A, 2020, Advance Article , DOI: 10.1039/D0TA02318C

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