Abstract

Highly monodisperse and crystalline anatase phase TiO2 nanospheres have been synthesized at room temperature from organometallic precursor, titanocene dichloride and sodium azide. The photoelectrochemical (PEC) water splitting performance on the TiO2 nanospheres was studied under illumination of AM 1.5G. The optimized photocurrent density and photoconversion efficiency of TiO2 NSPs were observed ~0.95mAcm-2 at 1.23V and 0.69%, respectively. The transient photocurrent response measurements on the TiO2 NSPs during repeated ON/OFF visible light illumination cycles at 1.23V vs RHE show that both samples exhibited fast and reproducible photocurrent responses. The TiO2 NSPs show excellent catalytic stability, and significant dark current was not observed even at high potentials (2.0V vs RHE). © 2015 John Wiley & Sons, Ltd.

Keywords

PhotocurrentAnataseMaterials scienceHydrogen productionWater splittingDispersitySodium azidePhase (matter)Photoelectrochemical cellChemical engineeringCatalysisPhotochemistryOptoelectronicsChemistryElectrolytePhotocatalysisElectrodePhysical chemistryPolymer chemistry

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Publication Info

Year
2015
Type
article
Volume
39
Issue
12
Pages
1714-1719
Citations
62
Access
Closed

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Cite This

Vidya Avasare, Zhongai Zhang, Dnyaneshwar Avasare et al. (2015). Room-temperature synthesis of TiO<sub>2</sub>nanospheres and their solar driven photoelectrochemical hydrogen production. International Journal of Energy Research , 39 (12) , 1714-1719. https://doi.org/10.1002/er.3372

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DOI
10.1002/er.3372

Data Quality

Data completeness: 86%