Photocatalytic Hydrogen Gas Production from NH3 and Alkylamine: Route to Zero Carbon Emission Energy

Hydrogen gas production generated from carbon-free molecules while utilizing solar energy provided a pathway for zero carbon emission energy. In photocatalytic hydrogen gas production, alcohol and oxygenated compounds as sacrificial agents are often added to accelerate the water splitting process wh...

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Bibliographic Details
Published in:Catalysis letters 2023-04, Vol.153 (4), p.1013-1023
Main Authors: Abdul Razak, Syaahidah, Mahadi, Abdul Hanif, Thotagamuge, Roshan, Prasetyoko, Didik, Bahruji, Hasliza
Format: Article
Language:English
Subjects:
Alcohols
Alkylamines
Ammonia
Carbon
Carbon dioxide
Catalysis
Chemistry
Chemistry and Materials Science
Gases
Hydrogen
Hydrogen production
Industrial Chemistry/Chemical Engineering
Organometallic Chemistry
Photocatalysis
Physical Chemistry
Solar energy
Titanium dioxide
Triethylamine
Water splitting
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Summary:Hydrogen gas production generated from carbon-free molecules while utilizing solar energy provided a pathway for zero carbon emission energy. In photocatalytic hydrogen gas production, alcohol and oxygenated compounds as sacrificial agents are often added to accelerate the water splitting process while simultaneously decomposing to form H 2 and CO 2 . However, the generation of CO 2 requires an additional measure to curb carbon from being released into the atmosphere. This study evaluated the performance of TiO 2 photocatalysts to generate hydrogen from NH 3 solution as carbon-free molecules. The investigation is extended to alkylamines compounds as sacrificial agents. H 2 is linearly produced from NH 3 when using Pd/TiO 2 ; however, the rate is reduced after a prolonged photocatalytic reaction. Alkylamines molecules are more susceptible for H 2 production than NH 3 , with the reactivity increased from NH 3  
ISSN:1011-372X
1572-879X
DOI:10.1007/s10562-022-04049-5