Tailored self-assembled photocatalytic nanofibres for visible-light-driven hydrogen production

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

23 Scopus Citations
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Author(s)

  • Jia Tian
  • Yifan Zhang
  • Lili Du
  • Yunxiang He
  • Xu-Hui Jin
  • Samuel Pearce
  • Jean-Charles Eloi
  • Robert L. Harniman
  • Dominic Alibhai
  • David Lee Phillips
  • Ian Manners

Detail(s)

Original languageEnglish
Pages (from-to)1150-1156
Journal / PublicationNature Chemistry
Volume12
Issue number12
Online published20 Nov 2020
Publication statusPublished - Dec 2020

Abstract

The creation of efficient artificial systems that mimic natural photosynthesis represents a key current challenge. Here, we describe a high-performance recyclable photocatalytic core–shell nanofibre system that integrates a cobalt catalyst and a photosensitizer in close proximity for hydrogen production from water using visible light. The composition, microstructure and dimensions—and thereby the catalytic activity—of the nanofibres were controlled through living crystallization-driven self-assembly. In this seeded growth strategy, block copolymers with crystallizable core-forming blocks and functional coronal segments were coassembled into low-dispersity, one-dimensional architectures. Under optimized conditions, the nanofibres promote the photocatalytic production of hydrogen from water with an overall quantum yield for solar energy conversion to hydrogen gas of ~4.0% (with a turnover number of >7,000 over 5 h, a frequency of >1,400 h−1 and a H2 production rate of >0.327 μmol h−1 with 1.34 μg of catalytic polymer (that is, >244,300 μmol h−1 g−1 of catalytic polymer)). [Figure not available: see fulltext.]

Citation Format(s)

Tailored self-assembled photocatalytic nanofibres for visible-light-driven hydrogen production. / Tian, Jia; Zhang, Yifan; Du, Lili; He, Yunxiang; Jin, Xu-Hui; Pearce, Samuel; Eloi, Jean-Charles; Harniman, Robert L.; Alibhai, Dominic; Ye, Ruquan; Phillips, David Lee; Manners, Ian.

In: Nature Chemistry, Vol. 12, No. 12, 12.2020, p. 1150-1156.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review