4.7 Article

A simple approach to synthesize g-C3N4 with high visible light photoactivity for hydrogen production

Journal

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 40, Issue 23, Pages 7273-7281

Publisher

PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2015.04.063

Keywords

Carbon nitride; Hydrogen generation; Selenium; Water-splitting

Funding

  1. Iberdrola Foundation
  2. Junta de Castilla y Leon [VA036A12-2]
  3. Secretaria de Estado de Investigacion, Desarrollo e Innovacion (MINECO, Spain) [CTQ2013-48669-P]

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Se-modified g-C3N4 was synthesized from sonicated aqueous suspensions of melamine cyanurate and SeO2. The different thermal condensation temperatures in the 500-650 degrees C range were found to influence the photophysical properties and hydrogen evolution rates. H-2 evolution increased dramatically by two orders of magnitude when Pt co-catalyst (1 wt.%) was incorporated, reaching an HER of 75 mu mol H-2/h. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.

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