Tunable Donor-Acceptor Linear Conjugated Polymers Involving Cyanostyrylthiophene Linkages for Visible-Light-Driven Hydrogen Production

Overview

Journal Molecules

Publisher MDPI

Specialty Biology

Date 2023 Mar 11

PMID 36903455

Authors

Dongnai Ye

Lei Liu

Yujie Zhang

Jiabin Qiu

Zhirong Tan

Yuqin Xing

Shiyong Liu

Affiliations

Soon will be listed here.

Abstract

In this paper, an atom- and step-economic direct C-H arylation polymerization (DArP) strategy was developed to access cyanostyrylthiophene (CST)-based donor-acceptor (D-A) conjugated polymers (CPs) used for photocatalytic hydrogen production (PHP) from water reduction. The new CST-based CPs - with varied building blocks were systematically studied by X-ray single-crystal analysis, FTIR, scanning electron microscopy, UV-vis, photoluminescence, transient photocurrent response, cyclic voltammetry measurements, and a PHP test, which showed that the phenyl-cyanostyrylthiophene-based exhibits a superior hydrogen evolution rate (7.60 mmol h g) compared to other conjugated polymers. The structure-property-performance correlation results obtained in this study will provide an important guideline for the rational design of high-performance D-A CPs for PHP applications.

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