Applied Catalysis B: Environmental, volume 324, pages 122231

Design of sculptured SnS/g-C3N4 photocatalytic nanostructure for highly efficient and selective CO2 conversion to methane

Hossam A E Omr 1, 2
Putikam Raghunath 3
Mahmoud Kamal Hussien 4
Amr Sabbah 4
Tsai Yu Lin 5
Kuei Hsien Chen 4, 5
Heng-Liang Wu 5
Shien-Ping Feng 6
Mingyue Lin 3
Hyeonseok Lee 2
Publication typeJournal Article
Publication date2023-05-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor22.1
ISSN09263373, 18733883
Catalysis
Process Chemistry and Technology
General Environmental Science
Abstract
Here, we demonstrate the SnS/g-C3N4 crystallized and nanostructured photocatalysts for efficient and selective CO2 conversion to CH4 by engineered thermal evaporation and the decoration of g-C3N4 through a simple dipping method, overcoming the limitation of bulk SnS-based photocatalysts. The SnS/g-C3N4 nanostructured photocatalysts exhibit a superior methane production rate of 387.5 μmol∙m−2∙h−1 (= c.a. 122.33 μmol∙g−1∙h−1) with an apparent quantum yield of c.a. 9.7% at 520 nm with engineered lengths. Moreover, 100% selective production toward CH4 is also measured from the SnS/g-C3N4 photocatalysts, with > 10 h stable operation. These performances are, to the best of our knowledge, the highest production rate among reported photocatalytic films and metal sulfide/g-C3N4 composite-based photocatalysts. These highly improved performances are attributed to synergistic effects by the formation of nanostructured SnS/g-C3N4, exhibiting superior light absorption, higher crystallinity, Z-scheme charge transport via C-S bonding, physical advantages of the SnS nanostructure, and excellent physiochemical properties of the surfaces.

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Omr H. A. E. et al. Design of sculptured SnS/g-C3N4 photocatalytic nanostructure for highly efficient and selective CO2 conversion to methane // Applied Catalysis B: Environmental. 2023. Vol. 324. p. 122231.
GOST all authors (up to 50) Copy
Omr H. A. E., Raghunath P., Hussien M. K., Sabbah A., Lin T. Yu., Chen K. H., Wu H., Feng S., Lin M., Lee H. Design of sculptured SnS/g-C3N4 photocatalytic nanostructure for highly efficient and selective CO2 conversion to methane // Applied Catalysis B: Environmental. 2023. Vol. 324. p. 122231.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.apcatb.2022.122231
UR - https://doi.org/10.1016/j.apcatb.2022.122231
TI - Design of sculptured SnS/g-C3N4 photocatalytic nanostructure for highly efficient and selective CO2 conversion to methane
T2 - Applied Catalysis B: Environmental
AU - Omr, Hossam A E
AU - Raghunath, Putikam
AU - Hussien, Mahmoud Kamal
AU - Sabbah, Amr
AU - Lin, Tsai Yu
AU - Chen, Kuei Hsien
AU - Wu, Heng-Liang
AU - Feng, Shien-Ping
AU - Lin, Mingyue
AU - Lee, Hyeonseok
PY - 2023
DA - 2023/05/01 00:00:00
PB - Elsevier
SP - 122231
VL - 324
SN - 0926-3373
SN - 1873-3883
ER -
BibTex
Cite this
BibTex Copy
@article{2023_Omr,
author = {Hossam A E Omr and Putikam Raghunath and Mahmoud Kamal Hussien and Amr Sabbah and Tsai Yu Lin and Kuei Hsien Chen and Heng-Liang Wu and Shien-Ping Feng and Mingyue Lin and Hyeonseok Lee},
title = {Design of sculptured SnS/g-C3N4 photocatalytic nanostructure for highly efficient and selective CO2 conversion to methane},
journal = {Applied Catalysis B: Environmental},
year = {2023},
volume = {324},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.apcatb.2022.122231},
pages = {122231},
doi = {10.1016/j.apcatb.2022.122231}
}
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