Journal
MATERIALS
Volume 11, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/ma11122457
Keywords
carbides; MXene; layered compounds; transition metal oxide; composite; thermal decomposition; ammonium perchlorate
Categories
Funding
- National Natural Science Foundation of China [NSFC 51802156]
- natural science foundation of Jiangsu Province [BK20181302]
- Extra-curricular Academic Scientific Research Fund of Nanjing University of Science and Technology
- Undergraduate Research Training Millions Talents' Plan
- Priority Academic Program Development of Jiangsu Higher Education Institutions (PAPD)
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In this work, a mixing-calcination method was developed to facilely construct MXene/CuO nanocomposite. CuO and MXene were first dispersed in ethanol with sufficient mixing. After solvent evaporation, the dried mixture was calcinated under argon to produce a MXene/CuO nanocomposite. As characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), and X-ray photoelectron spectra (XPS), CuO nanoparticles (60-100 nm) were uniformly distributed on the surface and edge of MXene nanosheets. Furthermore, as evaluated by differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA), the high-temperature decomposition (HTD) temperature decrease of ammonium perchlorate (AP) upon addition of 1 wt% CuO (hybridized with 1 wt% MXene) was comparable with that of 2 wt% CuO alone, suggesting an enhanced catalytic activity of CuO on thermal decomposition of AP upon hybridization with MXene nanosheets. This strategy could be further applied to construct other MXene/transition metal oxide (MXene/TMO) composites with improved performance for various applications.
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