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Open AccessArticle

Constructing Sheet-On-Sheet Structured Graphitic Carbon Nitride/Reduced Graphene Oxide/Layered MnO2 Ternary Nanocomposite with Outstanding Catalytic Properties on Thermal Decomposition of Ammonium Perchlorate

by Jianhua Xu 1,2,†, Dongnan Li 1,†, Yu Chen 3,†, Linghua Tan 1,*, Bo Kou 3, Fushun Wan 2, Wei Jiang 1 and Fengsheng Li 1
1
National Special Superfine Power Engineering Research Center, Nanjing University of Science and Technology, Nanjing 210094, China
2
School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
3
Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, School of Materials Engineering, Nanjing Institute of Technology, Nanjing 211167, China
*
Author to whom correspondence should be addressed.
These author contributed equally to this work.
Nanomaterials 2017, 7(12), 450; https://doi.org/10.3390/nano7120450
Received: 27 October 2017 / Revised: 3 December 2017 / Accepted: 9 December 2017 / Published: 15 December 2017
(This article belongs to the Special Issue Graphitic Carbon Nitride Nanostructures: Catalysis and Beyond)
We unprecedentedly report that layered MnO2 nanosheets were in situ formed onto the surface of covalently bonded graphitic carbon nitride/reduced graphene oxide nanocomposite (g-C3N4/rGO), forming sheet-on-sheet structured two dimension (2D) graphitic carbon nitride/reduced graphene oxide/layered MnO2 ternary nanocomposite (g-C3N4/rGO/MnO2) with outstanding catalytic properties on thermal decomposition of ammonium perchlorate (AP). The covalently bonded g-C3N4/rGO was firstly prepared by the calcination of graphene oxide-guanidine hydrochloride precursor (GO-GndCl), following by its dispersion into the KMnO4 aqueous solution to construct the g-C3N4/rGO/MnO2 ternary nanocomposite. FT-IR, XRD, Raman as well as the XPS results clearly demonstrated the chemical interaction between g-C3N4, rGO and MnO2. TEM and element mapping indicated that layered g-C3N4/rGO was covered with thin MnO2 nanosheets. Furthermore, the obtained g-C3N4/rGO/MnO2 nanocomposite exhibited promising catalytic capacity on thermal decomposition of AP. Upon addition of 2 wt % g-C3N4/rGO/MnO2 ternary nanocomposite as catalyst, the thermal decomposition temperature of AP was largely decreased up by 142.5 °C, which was higher than that of pure g-C3N4, g-C3N4/rGO and MnO2, respectively, demonstrating the synergistic catalysis of the as-prepared nanocomposite. View Full-Text
Keywords: g-C3N4/rGO/MnO2; sheet-on-sheet; covalent coupling; in situ formation; synergistic effect g-C3N4/rGO/MnO2; sheet-on-sheet; covalent coupling; in situ formation; synergistic effect
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MDPI and ACS Style

Xu, J.; Li, D.; Chen, Y.; Tan, L.; Kou, B.; Wan, F.; Jiang, W.; Li, F. Constructing Sheet-On-Sheet Structured Graphitic Carbon Nitride/Reduced Graphene Oxide/Layered MnO2 Ternary Nanocomposite with Outstanding Catalytic Properties on Thermal Decomposition of Ammonium Perchlorate. Nanomaterials 2017, 7, 450.

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