TY - JOUR
T1 - Highly efficient Sr/Ce/activated carbon bimetallic nanocomposite for photoinduced degradation of rhodamine B
AU - Sharma, Gaurav
AU - Dionysiou, Dionysios D.
AU - Sharma, Shweta
AU - Kumar, Amit
AU - Al-Muhtaseb, Ala'a H.
AU - Naushad, Mu
AU - Stadler, Florian J.
N1 - Funding Information:
The financial support from China Postdoctoral Science Foundation Grant ( 2018M643168 ) is greatly acknowledged.
Publisher Copyright:
© 2019 Elsevier B.V.
PY - 2019
Y1 - 2019
N2 - In the present paper, we report the synthesis of activated carbon supported strontium/cerium bimetallic nanocomposite (Sr/Ce/AC BNC) that has been prepared by simple microwave reduction method. X- Ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), X-Ray diffraction (XRD) and Transmission electron microscopy (TEM) analyses were performed to characterize the fabricated Sr/Ce/AC BNC. Sr/Ce/AC BNC has been found to be efficient photocatalyst and has been explored for the degradation of rhodamine B under natural sunlight irradiation. The photocatalytic activity of Sr/Ce/AC was evaluated based on reaction kinetics to remove rhodamine B, chemical oxygen demand (COD), and total organic content (TOC). Hydroxyl radicals have been found to be the active participating species which was confirmed by using appropriate radical scavengers. Degradation intermediate products of rhodamine B has been identified using LC–MS and the reaction pathways were proposed and discussed in the manuscript. In short, this work provides a deep insight into the utilization of Sr/Ce/AC BNC as effective photocatalyst.
AB - In the present paper, we report the synthesis of activated carbon supported strontium/cerium bimetallic nanocomposite (Sr/Ce/AC BNC) that has been prepared by simple microwave reduction method. X- Ray photoelectron spectroscopy (XPS), Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM), X-Ray diffraction (XRD) and Transmission electron microscopy (TEM) analyses were performed to characterize the fabricated Sr/Ce/AC BNC. Sr/Ce/AC BNC has been found to be efficient photocatalyst and has been explored for the degradation of rhodamine B under natural sunlight irradiation. The photocatalytic activity of Sr/Ce/AC was evaluated based on reaction kinetics to remove rhodamine B, chemical oxygen demand (COD), and total organic content (TOC). Hydroxyl radicals have been found to be the active participating species which was confirmed by using appropriate radical scavengers. Degradation intermediate products of rhodamine B has been identified using LC–MS and the reaction pathways were proposed and discussed in the manuscript. In short, this work provides a deep insight into the utilization of Sr/Ce/AC BNC as effective photocatalyst.
KW - Bimetallic nanocomposite
KW - Hydroxyl radicals
KW - Intermediates
KW - Photocatalytic degradation
KW - Rhodamine B
KW - Water treatment
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U2 - 10.1016/j.cattod.2019.03.063
DO - 10.1016/j.cattod.2019.03.063
M3 - Article
AN - SCOPUS:85063866473
SN - 0920-5861
VL - 335
SP - 437
EP - 451
JO - Catalysis Today
JF - Catalysis Today
ER -