One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst

[Image: see text] Utilization of solar energy for photocatalytic H(2) evolution coupled with value-added chemical synthesis is a promising avenue to address energy and environmental crises. Here, we report the hexamethylenetetramine (HMT) synthesis and H(2) evolution from methanol and ammonia in one...

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Autores principales: Chen, Weikun, Liu, Xiaoying, Zheng, Hui, Fu, Xiao, Yuan, Youzhu
Formato: Online Artículo Texto
Lenguaje:English
Publicado: American Chemical Society 2022
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9202295/
https://www.ncbi.nlm.nih.gov/pubmed/35721980
http://dx.doi.org/10.1021/acsomega.2c01323
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author Chen, Weikun
Liu, Xiaoying
Zheng, Hui
Fu, Xiao
Yuan, Youzhu
author_facet Chen, Weikun
Liu, Xiaoying
Zheng, Hui
Fu, Xiao
Yuan, Youzhu
author_sort Chen, Weikun
collection PubMed
description [Image: see text] Utilization of solar energy for photocatalytic H(2) evolution coupled with value-added chemical synthesis is a promising avenue to address energy and environmental crises. Here, we report the hexamethylenetetramine (HMT) synthesis and H(2) evolution from methanol and ammonia in one pot using a nanophotocatalyst of the conventional semiconductor TiO(2) (P25) loaded with Pt (Pt/P25). The addition of ammonia inhibits byproduct ethylene glycol formation, promotes H(2) evolution, and obtains HMT with high selectivity (>99.0%). The Pt valence state is regulated by calcination and reduction treatment, indicating that Pt/P25 is a stable catalyst for the photocatalytic synthesis of HMT from methanol and ammonia. The optimized formation rates of H(2) and HMT are 71.53 and 11.39 mmol g(cat)(–1) h(–1), respectively. This work provides a green and sustainable pathway for the photocatalytic HMT synthesis coupled with H(2) evolution under mild conditions.
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spelling pubmed-92022952022-06-17 One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst Chen, Weikun Liu, Xiaoying Zheng, Hui Fu, Xiao Yuan, Youzhu ACS Omega [Image: see text] Utilization of solar energy for photocatalytic H(2) evolution coupled with value-added chemical synthesis is a promising avenue to address energy and environmental crises. Here, we report the hexamethylenetetramine (HMT) synthesis and H(2) evolution from methanol and ammonia in one pot using a nanophotocatalyst of the conventional semiconductor TiO(2) (P25) loaded with Pt (Pt/P25). The addition of ammonia inhibits byproduct ethylene glycol formation, promotes H(2) evolution, and obtains HMT with high selectivity (>99.0%). The Pt valence state is regulated by calcination and reduction treatment, indicating that Pt/P25 is a stable catalyst for the photocatalytic synthesis of HMT from methanol and ammonia. The optimized formation rates of H(2) and HMT are 71.53 and 11.39 mmol g(cat)(–1) h(–1), respectively. This work provides a green and sustainable pathway for the photocatalytic HMT synthesis coupled with H(2) evolution under mild conditions. American Chemical Society 2022-06-06 /pmc/articles/PMC9202295/ /pubmed/35721980 http://dx.doi.org/10.1021/acsomega.2c01323 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Chen, Weikun
Liu, Xiaoying
Zheng, Hui
Fu, Xiao
Yuan, Youzhu
One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title_full One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title_fullStr One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title_full_unstemmed One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title_short One-Pot Synthesis of Hexamethylenetetramine Coupled with H(2) Evolution from Methanol and Ammonia by a Pt/TiO(2) Nanophotocatalyst
title_sort one-pot synthesis of hexamethylenetetramine coupled with h(2) evolution from methanol and ammonia by a pt/tio(2) nanophotocatalyst
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9202295/
https://www.ncbi.nlm.nih.gov/pubmed/35721980
http://dx.doi.org/10.1021/acsomega.2c01323
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