Recent advances in graphene and conductive polymer composites for supercapacitor electrodes: A review

X Cai, K Sun, Y Qiu, X Jiao - Crystals, 2021 - mdpi.com
Supercapacitors (SCs) have generated a great deal of interest regarding their prospects for
application in energy storage due to their advantages such as long life cycles and high-…

High gain, broadband p-WSe2/n-Ge van der Waals heterojunction phototransistor with a Schottky barrier collector

S Li, Q Wu, H Ding, S Wu, X Cai, R Wang, J Xiong… - Nano Research, 2023 - Springer
Mixed-dimensional van der Waals (vdW) heterostructures based on two-dimensional transition
metal dichalcogenides and three-dimensional semiconductors have led to a new era in …

A low-cost, portable, high-throughput wireless sensor system for phonocardiography applications

A Sa-Ngasoongsong, J Kunthong, V Sarangan, X Cai… - Sensors, 2012 - mdpi.com
This paper presents the design and testing of a wireless sensor system developed using a
Microchip PICDEM developer kit to acquire and monitor human heart sounds for …

Efficient Temporal Butterfly Counting and Enumeration on Temporal Bipartite Graphs

X Cai, X Ke, K Wang, L Chen, T Zhang, Q Liu… - arXiv preprint arXiv …, 2023 - arxiv.org
Bipartite graphs characterize relationships between two different sets of entities, like actor-movie,
user-item, and author-paper. The butterfly, a 4-vertices 4-edges (2,2)-biclique, is the …

Arbitrary slip length for fluid-solid interface of arbitrary geometry in smoothed particle dynamics

X Cai, Z Li, X Bian - Journal of Computational Physics, 2023 - Elsevier
We model a slip boundary condition at fluid-solid interface of an arbitrary geometry in smoothed
particle hydrodynamics and smoothed dissipative particle dynamics simulations. Under …

High‐Performance N‐MoSe2/P‐GeSn/N‐Ge van der Waals Heterojunction Phototransistor for Short‐Wave Infrared Photodetection

X Cai, S Li, J Qian, H Ding, S Wu… - Advanced Optical …, 2024 - Wiley Online Library
In this work, a high‐performance two‐terminal n‐MoSe 2 /p‐GeSn/n‐Ge van der Waals (vdW)
heterojunction phototransistor (HPT) is proposed and demonstrated for short‐wave …

Dynamics of an elliptical cylinder in confined Poiseuille flow

X Cai, X Li, X Bian - Physics of Fluids, 2024 - pubs.aip.org
Flows of solid particles in suspension are ubiquitous in both nature and industry. Compared
to a spherical particle, the dynamics of a non-spherical particle in flow is much less …

The desulfurization of magnetite ore by flotation with a mixture of xanthate and dixanthogen

J Yu, Y Ge, X Cai - Minerals, 2016 - mdpi.com
The contamination of sulfur emanating from pyrrhotite in magnetite concentrates has been a
problem in iron ore processing. This study utilized froth flotation to float pyrrhotite away from …

Low-cost self-powered shortwave infrared photodetectors with GeSn/Ge multiple quantum wells grown by magnetron sputtering

T Yang, H Ding, X Cai, Y Zhu, J Qian… - IEEE Electron …, 2023 - ieeexplore.ieee.org
A self-powered shortwave infrared (SWIR) pin photodetector (PD) is proposed and demonstrated
with a Ge $_{{0}.{932}}$ Sn $_{{0}.{068}}$ /Ge multiple-quantum-wells (MQWs) active …

Visible to Short‐Wave Infrared Broadband p‐WSe2/n‐Ge Heterojunction Phototransistor with an Annular Shallow‐Trench Schottky Barrier Collector

S Li, X Cai, H Ding, Q Wu, S Wu, G Lin… - physica status solidi …, 2024 - Wiley Online Library
Van der Waals (vdW) heterostructures based on two‐dimensional materials and conventional
group IV semiconductors have shown great potential for wide spectrum, highly sensitive …