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Double-side solar hydrogen evolution nanopaper

Version 2 2024-06-06, 05:25
Version 1 2019-09-19, 09:10
journal contribution
posted on 2024-06-06, 05:25 authored by W Sun, H Cheng, N Lin, Y Lu, L Chen, Y Zhao, Paul FrancisPaul Francis, N Zhuang, Y Zheng
© 2019 Elsevier B.V. Carbon nitride, regarded as a promising, environmentally friendly and sustainable photocatalyst for solar hydrogen generation, has shown a gradual improvement of photocatalytic activity with an apparent quantum yield up to 60%. However, it is still challenging to achieve flexible, efficient and scalable carbon nitride solar hydrogen evolution devices, limiting its practical application. Herein we report a visible-light-driven double-side hydrogen evolution nanopaper that is highly porous, crystalline and chemically stable. The nanopaper was fabricated via vacuum filtration of electrostatically self-assembled carbon nitride and nanocellulose. This nanopaper shows excellent mechanical properties with tensile strength of 18.5 MPa and Young's modulus of 414 MPa, a high hydrogen evolution rate of 3.9 mmol g−1 h−1 (corresponding to 6.5 μmol cm−2 h−1), and remarkable photostability over 32-h photocatalytic tests.

History

Journal

Applied Catalysis B: Environmental

Volume

260

Article number

ARTN 118083

Location

Amsterdam, The Netherlands

ISSN

0926-3373

eISSN

1873-3883

Language

English

Publication classification

C1 Refereed article in a scholarly journal

Copyright notice

2019, Elsevier B.V.

Publisher

ELSEVIER