Results 31 to 40 of about 28,053 (323)

Interfacial and Electronic Properties of Heterostructures of MXene and Graphene [PDF]

Phys. Rev. B 99, 085429 (2019), 2019
MXene-based heterostructures have received considerable interest owing to their unique properties. Herein, we examine various heterostructures of a prototypical MXene and graphene using density functional theory. We find that the adhesion energy, charge transfer, and band structure of these heterostructures are sensitive not only to the surface ...
arxiv   +1 more source

Hydrogen Bond Interaction Promotes Flash Energy Transport at MXene-water Interface [PDF]

published in J. Phys. Chem. C 2020, 2020
There are emerging applications for photothermal conversion utilizing MXene, but the mechanism under these applications related interfacial energy migration from MXene to the attached surface layer is still unknown. In this paper, with comprehensive ultrafast studies, we reported the energy migration pathway from MXene (Ti3C2Tx) to local environment ...
arxiv   +1 more source

Predicting the pseudocapacitive windows for MXene electrodes with voltage-dependent cluster expansion models [PDF]

arXiv, 2021
MXene transition-metal carbides and nitrides are of growing interest for energy storage applications. These compounds are especially promising for use as pseudocapacitive electrodes due to their ability to convert energy electrochemically at fast rates. Using voltage-dependent cluster expansion models, we predict the charge storage performance of MXene
arxiv  

Topological Phase Transition Induced by Image Potential States in MXenes: A Theoretical Investigation [PDF]

Phys. Rev. B 103, 035433 (2021), 2020
MXenes, a family of two-dimensional transition metal carbides and nitrides, have various tunable physical and chemical properties. Their diverse prospective applications in electronics and energy storage devices have triggered great interests in science and technology. MXenes can be functionalized by different surface terminations.
arxiv   +1 more source

MXene-Based Porous Monoliths

Nanomaterials, 2022
In the past decade, a thriving family of 2D nanomaterials, transition-metal carbides/nitrides (MXenes), have garnered tremendous interest due to its intriguing physical/chemical properties, structural features, and versatile functionality. Integrating these 2D nanosheets into 3D monoliths offers an exciting and powerful platform for translating their ...
Yang Yang, Kaijuan Li, Yaxin Wang, Zhanpeng Wu, Thomas P. Russell, Shaowei Shi   +5 more
openaire   +4 more sources

MXene/NiO Composites for Chemiresistive-Type Room Temperature Formaldehyde Sensor

Chemosensors, 2023
In this work, MXene/NiO-composite-based formaldehyde (HCHO) sensing materials were successfully synthesized by an in situ precipitation method. The heterostructures between the MXene and NiO nanoparticles were verified by transmission electron microscopy
Baoyu Huang, Xinwei Tong, Xiangpeng Zhang, Qiuxia Feng, Marina N. Rumyantseva, Jai Prakash, Xiaogan Li   +6 more
doaj   +1 more source

V2C MXene-modified g-C3N4 for enhanced visible-light photocatalytic activity [PDF]

arXiv, 2023
Increasing the efficiency of charge transfer and separation efficiency of photogenerated carriers are still the main challenges in the field of semiconductor-based photocatalysts. Herein, we synthesized g-C3N4@V2C MXene photocatalyst by modifying g-C3N4 using V2C MXene.
arxiv  

Understanding the MXene Pseudocapacitance

The Journal of Physical Chemistry Letters, 2018
MXenes have attracted great attention as next-generation capacitive energy-storage materials, but the mechanisms underlying their pseudocapacitive behavior are not well understood. Here we provide a theoretical description of the surface redox process of Ti3C2T x (T = O, OH), a prototypical MXene, in 1 M H2SO4 electrolyte, based on joint density ...
Cheng Zhan, Michael Naguib, Maria Lukatskaya, Paul R. C. Kent, Yury Gogotsi, De-en Jiang   +5 more
openaire   +4 more sources

Highly stable MXene (V2CTx)-based harmonic pulse generation

Nanophotonics, 2020
MXene as a novel two-dimensional (2D) material exhibits a lot of advantages in nonlinear optics. However, the common MXene, Ti3C2Tx and Ti2CTx nanosheets, easily suffer from degradation under ambient conditions, greatly limiting their practical ...
Huang Weichun, Ma Chunyang, Li Chao, Zhang Ye, Hu Lanping, Chen Tingting, Tang Yanfeng, Ju Jianfeng, Zhang Han   +8 more
doaj   +1 more source

Broadband spatial self-phase modulation and ultrafast response of MXene Ti3C2Tx (T=O, OH or F)

Nanophotonics, 2020
Two-dimensional layered materials (2DLM) have become the subject of intensive research in various applications such as electronics, photonics and optoelectronics due to their unique physical properties. As a new class of 2DLM, MXenes have attracted great
Li Jie, Zhang Zilong, Yi Jun, Miao Lili, Huang Jing, Zhang Jinrui, He Yuan, Huang Bin, Zhao Chujun, Zou Yanhong, Wen Shuangchun   +10 more
doaj   +1 more source