High-Thermal-Stability and High-Thermal-Conductivity Ti3C2Tx MXene/Poly(vinyl alcohol) (PVA) Composites. Liu, R. & Li, W. ACS Omega, 3(3):2609–2617, March, 2018.
Paper doi abstract bibtex MXenes, a new family of two-dimensional materials, have recently attracted increasing attention due to their unique properties for a wide range of potential applications. Herein, we synthesize Ti3C2Tx/poly(vinyl alcohol) (PVA) composites and investigate the effects of the thermal properties of MXene by temperature-dependent Raman spectroscopy and polarized-laser power-dependent Raman spectroscopy. Compared to the Ti3C2Tx MXene, the PVA significantly improves the thermal stability of Ti3C2Tx by reducing the thermal coefficient of the Eg1 mode from −0.06271 to −0.03357 cm–1/K, which is attributed to the strong Ti–O bonds formed between the MXene and PVA polymer confirmed by the X-ray photoelectron spectroscopy results. Meanwhile, the thermal conductivities of Ti3C2Tx and Ti3C2Tx/PVA composites reach as high as about 55.8 and 47.6 W/(m K), respectively. Overall, this work will contribute to extend the MXene applications in terms of polymer-based nanocomposites and improve the reliability of the related devices effectively.
@article{liu_high-thermal-stability_2018,
title = {High-{Thermal}-{Stability} and {High}-{Thermal}-{Conductivity} {Ti}3C2Tx {MXene}/{Poly}(vinyl alcohol) ({PVA}) {Composites}},
volume = {3},
issn = {2470-1343},
url = {https://doi.org/10.1021/acsomega.7b02001},
doi = {10.1021/acsomega.7b02001},
abstract = {MXenes, a new family of two-dimensional materials, have recently attracted increasing attention due to their unique properties for a wide range of potential applications. Herein, we synthesize Ti3C2Tx/poly(vinyl alcohol) (PVA) composites and investigate the effects of the thermal properties of MXene by temperature-dependent Raman spectroscopy and polarized-laser power-dependent Raman spectroscopy. Compared to the Ti3C2Tx MXene, the PVA significantly improves the thermal stability of Ti3C2Tx by reducing the thermal coefficient of the Eg1 mode from −0.06271 to −0.03357 cm–1/K, which is attributed to the strong Ti–O bonds formed between the MXene and PVA polymer confirmed by the X-ray photoelectron spectroscopy results. Meanwhile, the thermal conductivities of Ti3C2Tx and Ti3C2Tx/PVA composites reach as high as about 55.8 and 47.6 W/(m K), respectively. Overall, this work will contribute to extend the MXene applications in terms of polymer-based nanocomposites and improve the reliability of the related devices effectively.},
number = {3},
urldate = {2019-10-22},
journal = {ACS Omega},
author = {Liu, Rui and Li, Weihua},
month = mar,
year = {2018},
pages = {2609--2617}
}
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