A rapid microwave (180 s, 100 W) green approach has been demonstrated for the synthesis of TiO2 tripods (TITPs) using Mangifera indica leaf extracts. In this process, mangiferin acts as an efficient reducing agent while microwave radiations control the nucleation and growth of anisotropic TiO2 nanostructure. Surface morphological analyses reveal that synthesized TiO2 nanomaterial has a unique resilient shape of tripods with porosity. The photocatalytic ability of synthesized TITPs has been examined using Methylene blue (MB) as the target contaminant, and ∼75% (under visible light in 75 min) and 96% (under UV in 9 min) dye degradation has been achieved. The TITPs show recyclability for up to three cycles. Moreover, TITPs exhibit good adsorbent property that varies with the change of temperature and pH. The adsorption of the MB by TITPs follows the pseudo-first-order kinetic model and the Langmuir isotherm model. The maximum adsorption capacity of TITPs is found to be 17.54 mg/g based on the Langmuir model. The present multi-facet TITPs prepared via a simple and quick (180 s) microwave method has the potential for application in photocatalytic/adsorption for aqueous contaminant remediation.
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28 October 2021
Research Article|
October 22 2021
Rapid microwave growth of mesoporous TiO2 nano-tripods for efficient photocatalysis and adsorption
Pankaj Chamoli
;
Pankaj Chamoli
a)
1
School of Basic & Applied Sciences, Department of Physics, Shri Guru Ram Rai University
, Dehradun 248001, Uttarakhand, India
2
Advanced Functional Smart Materials Laboratory, School of Physical Sciences, Department of Physics, DIT University
, Dehradun 248009, Uttarakhand, India
a)Author to whom correspondence should be addressed: [email protected]. Telephone:+91-135-2721763. Fax: +91-135-2721762
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Ravi K. Shukla
;
Ravi K. Shukla
2
Advanced Functional Smart Materials Laboratory, School of Physical Sciences, Department of Physics, DIT University
, Dehradun 248009, Uttarakhand, India
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Achintya N. Bezbaruah;
Achintya N. Bezbaruah
3
Nanoenvirology Research Group, Civil, Construction and Environmental Engineering, North Dakota State University
, Fargo, North Dakota 58105, USA
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Kamal K. Kar
;
Kamal K. Kar
4
Advanced Nanoengineering Materials Laboratory, Materials Science Programme, Indian Institute of Technology Kanpur
, Kanpur 208016, India
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K. K. Raina
K. K. Raina
5
MS Ramaiah University of Applied Sciences
, Bangalore Urban, Karnataka 560 054, India
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a)Author to whom correspondence should be addressed: [email protected]. Telephone:+91-135-2721763. Fax: +91-135-2721762
J. Appl. Phys. 130, 164901 (2021)
Article history
Received:
July 05 2021
Accepted:
October 04 2021
Citation
Pankaj Chamoli, Ravi K. Shukla, Achintya N. Bezbaruah, Kamal K. Kar, K. K. Raina; Rapid microwave growth of mesoporous TiO2 nano-tripods for efficient photocatalysis and adsorption. J. Appl. Phys. 28 October 2021; 130 (16): 164901. https://doi.org/10.1063/5.0062383
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