Vertical heterojunction photodetector with self-powered broadband response and high performance

Y Han, S Jiao, J **g, L Chen, Z Shi, P Rong… - Chemical Engineering …, 2023 - Elsevier
The development trend of modern electronics and optoelectronics is constantly moving
towards highly integrated, comprehensive, and miniaturized devices. Vertical configuration …

A self-powered solar-blind UV-enhanced Bi2Se3/a-Ga2O3/p-Si heterojunction photodetector for full spectral photoresponse and imaging

Y Han, S Jiao, J **g, L Chen, P Rong, S Ren, D Wang… - Nano Research, 2024 - Springer
Self-powered full-spectrum photodetectors (PDs) offer numerous advantages, such as broad
application fields, high precision, efficiency, and multi-functionality, which represent a highly …

Quantum enhanced efficiency and spectral performance of paper-based flexible photodetectors functionalized with two dimensional materials

M Sharma, N Mazumder, PM Ajayan… - Journal of Physics …, 2024 - iopscience.iop.org
Flexible photodetectors (PDs) have exotic significance in recent years due to their
enchanting potential in future optoelectronics. Moreover, paper-based fabricated PDs with …

Selenium defects of 2D VSe2/CNTs composite as an efficient sulfur host for high-performance Li-S batteries

Y Zhang, J Guo, J Ren, Z Chen, M Zhang… - Journal of Alloys and …, 2023 - Elsevier
Introducing defects into two-dimensional materials can increase the ligand-unsaturated
sites, thereby enhancing the redox catalysis of polysulphides. In this study, the selenium …

Characterization of charge-carrier dynamics at the Bi2Se3/MgF2 interface by multiphoton pumped UV–Vis transient absorption spectroscopy

YD Glinka, T He, XW Sun - Journal of Physics: Condensed …, 2023 - iopscience.iop.org
Separate relaxation dynamics of electrons and holes in experiments on optical pum**-
probing of semiconductors is rarely observed due to their overlap. Here we report the …

Pulse duration dependent optical nonlinearities of Bi2Se3 thin films

A Karimbana-Kandy, A Campos, M Cabié, JY Natoli… - Optics …, 2023 - opg.optica.org
Topological insulators, such as the Bi_2Se_3 material, exhibit significant optical
nonlinearities. This work investigates the impact of the pulse duration on the nonlinear …

Multi-functional Wafer-Scale Van der Waals Heterostructures and Polymorphs

M Micica, A Wright, S Massabeau, S Ayari… - arxiv preprint arxiv …, 2025 - arxiv.org
Van der Waals heterostructures have promised the realisation of artificial materials with
multiple physical phenomena such as giant optical nonlinearities, spin-to-charge …

Concerted Mechanism of Carrier Dynamics in Laser‐Excited Fen/(MgO)m(001) Heterostructures from Real‐Time Time‐Dependent DFT

E Shomali, ME Gruner… - Advanced Theory and …, 2024 - Wiley Online Library
Using real‐time time‐dependent density functional theory (RT‐TDDFT), the electronic
response of a Fen/(MgO) m (001)(n= 1, 3, 5 and m= 3, 5, 7) metal/insulator heterostructure to …

Inducing itinerant ferromagnetism by manipulating van Hove singularity in epitaxial monolayer 1T-VSe2

J Zong, ZY Dong, J Huang, K Wang, QW Wang… - Science Bulletin, 2023 - Elsevier
The itinerant ferromagnetism can be induced by a van Hove singularity (VHS) with a
divergent density of states at Fermi level. Utilizing the giant magnified dielectric constant ε r …

Observation of ultraslow hole dynamics in the 3D topological insulator Bi2Se3 coated with a thin MgF2 layer using multiphoton pumped UV-Vis transient absorption …

YD Glinka, T He, XW Sun - arxiv preprint arxiv:2212.02386, 2022 - arxiv.org
Individual relaxation dynamics of electrons and holes in optically pumped semiconductors is
rarely observed due to their overlap. Here we report the individual dynamics of long-lived …