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One-step large-scale highly active g-C3N4 nanosheets for efficient sunlight-driven photocatalytic hydrogen production

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Abstract

The development of highly active, cost-effective, environmentally friendly and stable g-C3N4 based photocatalysts for H2 evolution is one of the most anticipated potential pathways for future hydrogen utilization. Herein, a facile gaseous bubble template approach was designed to prepare large-scale thin g-C3N4 nanosheets (g-C3N4 NSs) using melamine and ammonium sulphate as the bubble template. Through distinctive structural improvements for a large bandgap, excellent electron mobility, prolonged lifetime of the photogenerated charge carriers and a high specific surface area with highly accessible potential reaction sites, the as-synthesized g-C3N4 NSs demonstrated a high photocatalytic hydrogen evolution rate of 9871 μmol h−1 g−1 and efficient photocatalytic degradation of Rhodamine B (RhB) and phenol under simulated solar light irradiation.

Graphical abstract: One-step large-scale highly active g-C3N4 nanosheets for efficient sunlight-driven photocatalytic hydrogen production

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Publication details

The article was received on 09 Mar 2017, accepted on 02 May 2017 and first published on 02 May 2017


Article type: Paper
DOI: 10.1039/C7DT00849J
Citation: Dalton Trans., 2017, Advance Article
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    One-step large-scale highly active g-C3N4 nanosheets for efficient sunlight-driven photocatalytic hydrogen production

    W. Iqbal, B. Qiu, J. Lei, L. Wang, J. Zhang and M. Anpo, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT00849J

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