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Related papers: Structural defects in MBE-grown CdTe-based heteroj…

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Stability is one of the most important challenges facing organic solar cells (OSC) on their path to commercialization. In the high-performance material system PM6:Y6 studied here, investigate degradation mechanisms of inverted photovoltaic…

CdTe and its alloy CdTeSe are widely used in optoelectronic devices, such as radiation detectors and solar cells, due to their superior electrical properties. However, the formation of defects and defect complexes in these materials can…

Materials Science · Physics 2024-08-29 Xiaofeng Xiang , Yijun Tong , Aaron Gehrke , Scott Dunham

The present investigation reports on the fabrication and characterization of heterojunctions based on in situ Eu doped CdO layers, which were deposited on p-type silicon using the plasma assisted molecular beam epitaxy (PA MBE) method. The…

Structural defects, particularly grain boundaries, play a crucial role in governing charge transport and the optoelectronic properties of metal halide perovskites, thereby limiting the performance of devices. Solar cells incorporating…

Materials Science · Physics 2026-04-07 Huyen T Pham , Siyu Yan , Zhou Xu , Weilun Li , Sergey Gorelick , Michael B Johnston , Joanne Etheridge

The coexistence of semiconducting (2H) and metallic (1T) phases of MoS$_{2}$ monolayers have further pushed their strong potential for applications in the next generation of electronic devices based on the two-dimensional lateral…

Computational Physics · Physics 2021-12-01 Mohammad Bahmani , Mahdi Ghorbani-Asl , Thomas Frauenheim

Comprehensive investigations on ZnSe/GaAs and GaAs/ZnSe interfaces were carried out by photoluminescence (PL) and transmission electron microscopy (TEM), as a part of realizing high quality ZnSe-GaAs (100) hetero-valent structures (HS). The…

Materials Science · Physics 2020-06-24 Zongjian Fan , Krishna Yaddanapudi , Ryan Bunk , Subhash Mahajan , Jerry M. Woodall

Due to their great potential in electronics, optoelectronics and piezoelectronics, Janus transition metal dichalcogenide (TMD) monolayers have attracted increasing research interest, the MoSSe of which with sandwiched S-Mo-Se structure has…

Materials Science · Physics 2020-01-08 San-Dong Guo , Xiao-Shu Guo , Ye Deng

Monolayers of transition metal dichalcogenides (TMDs) exhibit bright photoluminescence, a desirable property for light-emitting diodes and single-photon emitters. Because the emission intensity is heavily influenced by factors such as…

Mesoscale and Nanoscale Physics · Physics 2026-01-06 Juri G. Crimmann , Sander J. W. Vonk , Yannik M. Glauser , Gabriel Nagamine , David J. Norris

We studied deep levels (DLs) in p-type CdMnTe by photo-Hall effect spectroscopy with enhanced illumination. We showed that the mobility of minority and majority carriers can be deduced directly from the spectra by using proper wavelength…

Materials Science · Physics 2018-07-25 A. Musiienko , R. Grill , P. Moravec , P. Fochuk , I. Vasylchenko , H. Elhadidy , L. Šedivý

We simulated photovoltaic characteristics of single heterojunction solar cell with Cu2ZnSnS4 and Cu2ZnSnSe4 absorber layer numerically using one dimensional solar cell capacitance simulator (SCAPS-1D). n-CdS/ZnO double buffer layer is used…

Applied Physics · Physics 2018-01-26 Goutam K Gupta , Ambesh Dixit

The efficiency of solution-processed colloidal quantum dot (QD) based solar cells is limited by poor charge transport in the active layer of the device, which originates from multiple trapping sites provided by QD surface defects. We apply…

Mesoscale and Nanoscale Physics · Physics 2013-10-08 Artem A. Bakulin , Stefanie Neutzner , Huib J. Bakker , Laurent Ottaviani , Damien Barakel , Zhuoying Chen

Recently the charge density wave (CDW) in vanadium dichalcogenides have attracted increasing research interests, but a real-space investigation on the symmetry breaking of the CDW state in VTe2 monolayer is still lacking. We have…

Materials Science · Physics 2020-01-15 Guangyao Miao , Siwei Xue , Bo Li , Zijian Lin , Bing Liu , Xuetao Zhu , Weihua Wang , Jiandong Guo

Vanadium disulfide (VS_{2}) attracts elevated interests for its charge-density wave (CDW) phase transition, ferromagnetism, and catalytic reactivity, but the electronic structure of monolayer has not been well understood yet. Here we report…

Strongly Correlated Electrons · Physics 2021-11-24 Hyuk Jin Kim , Byoung Ki Choi , In Hak Lee , Min Jay Kim , Seung-Hyun Chun , Chris Jozwiak , Aaron Bostwick , Eli Rotenberg , Young Jun Chang

Charge density waves (CDWs) underpin the electronic properties of many complex materials. Near-equilibrium CDW order is linearly coupled to a periodic, atomic-structural distortion, and the dynamics is understood in terms of amplitude and…

The fourth flight of the Focusing Optics X-ray Solar Imager sounding rocket experiment (FOXSI-4) aimed to achieve the first imaging spectroscopic observations of mid-to-large class ( >= GOES C5 class) solar flares, in contrast to the…

Instrumentation and Methods for Astrophysics · Physics 2025-03-18 Shunsaku Nagasawa , Takahiro Minami , Shin Watanabe , Tadayuki Takahashi

Various double beta decay modes of Cd, Zn and Te isotopes are explored with the help of CdTe and CdZnTe semiconductor detectors. The data set is splitted in an energy range below 1 MeV having a statistics of 134.5 g$\cdot$d and one above 1…

Nuclear Experiment · Physics 2009-11-10 H. Kiel , D. Münstermann , K. Zuber

Two-dimensional (2D) materials have attracted substantial attention in electronic and optoelectronic applications with superior advantages of being flexible, transparent and highly tunable. Gapless graphene exhibits ultra-broadband and fast…

Lateral in-plane heterostructures enable precise control of electronic properties and quantum effects in 2D materials. However, their periodic synthesis is challenging because it requires precise control to maintain sharp, coherent…

Materials Science · Physics 2025-06-23 Puspendu Guha , Sangmin Lee , Eunsu Lee , Hyeonhu Bae , Hoonkyung Lee , Miyoung Kim , Gyu-Chul Yi

Highly efficient, environmental friendly and renewable sources of energy are of great need today to combat with increasing energy demands and environmental pollution. In this work, we have investigated the novel 2D allotropes i.e.,…

Materials Science · Physics 2023-05-22 Jaspreet Singh , Ashok Kumar

Using scanning tunneling microscopy and spectroscopy, for a monolayer of transition metal dichalcogenide H-NbS$_2$ grown by molecular beam epitaxy on graphene, we provide unambiguous evidence for a charge density wave (CDW) with a…

Mesoscale and Nanoscale Physics · Physics 2024-02-16 Timo Knispel , Jan Berges , Arne Schobert , Erik G. C. P. van Loon , Wouter Jolie , Tim Wehling , Thomas Michely , Jeison Fischer