Template-less surfactant-free hydrothermal synthesis NiO nanoflowers and their photoelectrochemical hydrogen production

Ahsanulhaq Qurashi, Zhongai Zhang, M. Asif, Toshinari Yamazaki

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A facile direct surfactant-free template-less hydrothermal method is employed for the growth of high surface-area NiO nanoflowers made up of complex and assembled nanosheets network.Field emission scanning electron microscopy revealed that each nanosheet is about 50-60nm thick. Detailed structural analysis reveals single-crystalline nature of NiO nanoflowers with cubic crystal structure. The optical absorption bands in the wavelength range of 350-800nm illustrated in terms of ligand field theory. The photoelectrochemical (PEC), water splitting performance on the NiO nanoflowers were also investigated. © 2015 Hydrogen Energy Publications, LLC.
Original languageEnglish (US)
Pages (from-to)15801-15805
Number of pages5
JournalInternational Journal of Hydrogen Energy
Volume40
Issue number45
DOIs
StatePublished - Dec 2015

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