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Microwave-assisted Hydrothermal Synthesis Of Nanosized Hexagonal Plate-like Nickel-doped CeO<sub>2</sub>: Structure And Activity | 45818
ISSN: 2469-9764

Industrial Chemistry
Open Access

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Microwave-assisted hydrothermal synthesis of nanosized hexagonal plate-like nickel-doped CeO2: Structure and activity

International Conference on Industrial Chemistry

Soo Wohn Lee, Chhabilal Regmi and Vicente Rodriguez-Gonzalez

Sun Moon University, Republic of Korea Instituto Potosino de Investigación Científica y Tecnológica, México

Posters & Accepted Abstracts: Ind Chem

DOI: 10.4172/2469-9764.C1.003

Abstract
Ceria is one of the most important lanthanide oxide and has been attracted by the attention of the researchers due to the wide range of application such as catalyst for hydrogen production from fuel, solid state conductor for fuel cell, oxygen storage promoters etc. The magnetic nature of CeO2 is also an important feature for magnetic data storage device or magnetically recoverable catalyst. The structural features of ceria in combination with oxygen storage and release properties are crucial for various heterogeneous catalytic reactions. The incorporation of Ni into ceria mixed oxides structures may strongly modifies the structural and textural properties, which influence the kinetics of bulk oxygen diffusion. Since physical and chemical properties are highly dependent on their structure, shape and size, controlled fabrication is one of the key issues in nanomaterials. A novel type of Ni-doped hierarchical hexagonal plates like ceria has been prepared by practical microwave hydrothermal method, a full structural, textural and optical characterization is realized and its catalytic activity is evaluated for Bhisphenol A photo-oxidation. XRD characterization shows the well crystalline phase fluorite of ceria. No any peaks from Ni or NixOy are seen, it may be due to incorporation of Ni atoms into the framework of ceria. The fitting of XPS spectra for Ni2p, O1s S2p and Ce3d confirms the incorporation of nickel atoms into the framework of ceria and vacancies generation. According to Eg value of 2.7 eV and the oxygen vacancies, these materials are also adequate for drugs as well as endocrine disrupter compounds degradation under solar or visible irradiation. FESEM image of ceria doped with 3 mole of nickel it is observe the hexagonal plates with average size of 40 nm, and less than 5 nm of thickness. Time is the key parameter for homogenous and nanometric size of well defined hexagonal plate-like.
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