NaFeTiO4: A novel visible light active photocatalyst for water splitting and environmental remediation

Title
NaFeTiO4: A novel visible light active photocatalyst for water splitting and environmental remediation
Authors
김지영배지환Deepali S. ShindePallavi D. BhangeSudhir S. ArbujKyung-Wan NamShivaji N. TayadeDeu S. Bhange
Issue Date
2020-03
Publisher
International journal of hydrogen energy
Citation
VOL 45, NO 15-8617
Abstract
Single phase, crystalline NaFeTiO4 with tunnel structure is prepared by a solid state method and explored as a novel photocatalyst for the first time. Structural, optical and morphological properties of NaFeTiO4 are investigated by various characterization techniques such as X-ray diffraction (XRD), scanning & transmission electron microscopy (SEM & TEM), Energy dispersive X-ray spectroscopy (EDS), N2 adsorption-desorption study (BET), UV-vis, X-ray photoelectron, X-ray absorption (UV-vis DRS, XPS and XANES) and photoluminescence (PL) spectroscopy. The interfacial charge transfer ability of the prepared n-type NaFeTiO4 was also investigated by transient photocurrent response and electrochemical impedence spectroscopy which proved to be an efficient tool for better understanding of electronic properties of NaFeTiO4. The photocatalytic efficiency of NaFeTiO4 is evaluated for decomposition of methylene blue (MB) and Rhodamine B (RhB) dyes as well as for H2 evolution through water splitting reaction under visible light. NaFeTiO4 exhibits efficient charge separation properties, excellent photocatalytic activities and reusability.
URI
http://pubs.kist.re.kr/handle/201004/71154
ISSN
0360-3199
Appears in Collections:
KIST Publication > Article
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