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Applicant:
Central University of Tamil Nadu 
Author:
Kiran Preethi Kirubakaran, Sakthivel Thangavel, Gouthami Nallamuthu, Vinesh Vasudevan, Priya Arul Selvi Ramasubramanian, Ashwini Kumar, Gunasekaran Venugopal 
Corresponding Authors:
Gunasekaran Venugopal 
DOI #:
10.1166/jnn.2019.16033 
Title:
Enhanced Photocatalytic Degradation Activity of 2-D Graphitic Carbon Nitride-SnO2 Nanohybrids 
Journal:
Journal of Nanoscience and Nanotechnology 
Year:
2019 
Volume:
19 
Page:
3576–3582 
Keywords:
2D g-C3N4–SnO2, Nanohybrid, Photocatalyst, Electron–Hole Recombination, Degradation. 
Abstract:
In this paper, we report on the facile synthesis of graphitic carbon nitride (g-C3N4)-tin oxide (SnO2) nanohybrid as an efficient photocatalyst prepared via sol–gel method. SnO2 nanoparticles are point contacted with g-C3N4. The results of physio-chemical characterizations such as SEM-EDAX, XRD, BET, FT-IR and UV-DRS spectra reveal the successful formation and integration of nanohybrid. The photocatalytic activity has been studied by using methylene-blue as a model dye for degradation. It has been observed that the pseudo-first order rate constant was increased up to 1.78 times compared with pure SnO2. The enhanced photocatalytic activity was ascribed from the inhibition of electron–hole recombination where g-C3N4 nanosheets acts as an electron receiver from SnO2 via point contact. This mechanism is further verified via photoluminescence spectra. Our results prominently show new insights and potential applications of g-C3N4-SnO2 nanohybrids in the waste water treatment and environmental remediation sectors. 
Entered by:
Gunasekaran Venugopal on 2020-08-29 
 
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