Photocatalytic hydrogen production of Ta3N5 nanoparticles prepared at different nitridation temperatures. (8th December 2014)

• Record Type: Journal Article
• Authors: Yuliati, L.; Maeda, K.; Takata, T.; Domen, K.
• Is Part Of: Materials research innovations. Volume 18:Number 6(2014)
• Page Start: S6-439
• Page End: S6-443
• Publication Date: 2014-12-08
• Subjects: Materials -- Research -- Periodicals; Matériaux -- Recherche -- Périodiques; 620.1105
• DOI: 10.1179/1432891714Z.000000000994
• Languages: English
• ISSNs: 1432-8917

Abstract

<abstract> <title> <x content-type="archive" xml:space="preserve">Abstract</x> </title> <p>In the present study, the effects of nitridation temperatures on the properties and photocatalytic activities of tantalum (V) nitride nanoparticles (Ta₃N₅) were investigated. The Ta₃N₅ nanoparticles were successfully prepared at various nitridation temperatures (973 – 1123 K) by using mesoporous carbon nitride (mp-C₃N₄) as a template. It was confirmed that all the prepared Ta₃N₅ nanoparticles showed high crystallinity and low density of tantalum defect species. The higher synthesis temperature led to the larger particle size and the lower specific surface area. These different properties affected the performance of the Ta₃N₅ nanoparticles on the photocatalytic hydrogen production. It was concluded that the Ta₃N₅ nanoparticles prepared at lower temperature showed higher photocatalytic activity due to the lower particle size and higher specific surface area. The prepared Ta₃N₅ nanoparticles also showed high photocatalytic stability for hydrogen production under visible light irradiation.</p> </abstract>