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Related papers: Photoluminescence-Based Gas Sensing with MoS2 Mono…

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Two-dimensional (2D) transition metal dichalcogenides (TMDs) hold great potential for future low-energy optoelectronics owing to their unique electronic, optical, and mechanical properties. Chemical vapor deposition (CVD) is the technique…

We propose a robust photonic platform for encapsulation and addressing of optically active 2D- and nano-materials. Our implementation utilises a monolayer of MoS$_2$ transition metal dichalcogenide embedded in an elastomeric waveguide chip.…

The interest in obtaining high-quality monolayer transition metal dichalcogenides (TMDs) for optoelectronic device applications has been growing dramatically. However, the prevalence of defects and unwanted doping in these materials remains…

Chemical Physics · Physics 2023-01-18 Zhaojun Li , Hope Bretscher , Akshay Rao

Layered transition metal dichalcogenide (TMD) semiconductors oxidize readily in a variety of conditions, and a thorough understanding of this oxide formation is required for the advancement of TMD-based microelectronics. Here, we combine…

Ultrathin layers of semiconducting molybdenum disulfide (MoS2) offer significant prospects in future electronic and optoelectronic applications. Although an increasing number of experiments bring light into the electronic transport…

Mesoscale and Nanoscale Physics · Physics 2014-07-10 Jing Wu , Hennrik Schmidt , Amara Kiran Kumar , Xiangfan Xu , Goki Eda , Barbaros Özyilmaz

Two-dimensional (2D) materials viz. transition metal dichalcogenides (TMD) and transition metal oxides (TMO) offer a platform that allows creation of heterostructures with a variety of properties. The optoelectronic industry has observed an…

Materials Science · Physics 2021-06-07 Arunima Singh , Manjari Jain , Saswata Bhattacharya

The optical emission efficiency of two dimensional layered transition metal dichalcogenides (TMDs) is one of the most important parameter that affects their optoelectronic performance. Optimization of growth parameters of chemical vapor…

Materials Science · Physics 2017-06-13 Amina Zafar , Haiyan Nan , Zainab Zafar , Zhangting Wu , Jie Jiang , Yumeng You , Zhenhua Ni

There is a growing interest in obtaining high quality monolayer transition metal disulfides (TMDSs) for optoelectronic device applications. Surface chemical treatments using a range of chemicals on monolayer TMDSs have proven effective to…

Two-dimensional (2D) Transition Metal Dichalcogenide semiconductor (TMDs) nanocircuits are deterministically engineered over large-scale substrates. The original approach combines large-area physical growth of 2D TMDs layer with high…

Mesoscale and Nanoscale Physics · Physics 2022-09-23 Maria Caterina Giordano , Giorgio Zambito , Matteo Gardella , Francesco Buatier de Mongeot

The possibility of spatially resolving the optical properties of atomically thin materials is especially appealing as they can be modulated at the micro- and nanoscale by reducing their thickness, changing the doping level or applying a…

Mesoscale and Nanoscale Physics · Physics 2016-03-23 Andres Castellanos-Gomez , Jorge Quereda , Herko P. van der Meulen , Nicolás Agraït , Gabino Rubio-Bollinger

2D materials and their monolayers have attracted widespread interest by virtue of their unique electronic and optical properties. In addition to their remarkable physical characteristics, their atomically thin nature enables their…

Layered inorganic materials, such as the transition metal dichalcogenides (TMDs), have attracted much attention due to their exceptional electronic and optical properties. Reliable synthesis and characterization of these materials must be…

Materials Science · Physics 2016-02-08 Maria OBrien , Niall McEvoy , Damien Hanlon , Toby Hallam , Jonathan N. Coleman , Georg S. Duesberg

Band gap tuning in two-dimensional transitional metal dichalcogenides (TMDs) is crucial in fabricating new optoelectronic devices. High resolution photoluminescence (PL) microscopy is needed for accurate band gap characterization. We…

Optics · Physics 2017-04-13 Chenwei Tang , Shuai Jia , Weibing Chen , Jun Lou , Dmitri V. Voronine

Controlling the interconnection of neighboring seeds (nanoflakes) to full coverage of the textured substrate is the main challenge for the large-scale conformal growth of atomic-thick transition metal dichalcogenides by chemical vapor…

Atomically-thin two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have been extensively studied in recent years because of their appealing electrical and optical properties. Here, we report on the fabrication of ReS2…

Materials Science · Physics 2019-08-17 Enze Zhang , Yibo Jin , Xiang Yuan , Weiyi Wang , Cheng Zhang , Lei Tang , Shanshan Liu , Peng Zhou , Weida Hu , Faxian Xiu

The studies of the nonlinear optical (NLO) properties of the transition metal dichalcogenides (TMDs) coupled with photoactive particles, plasmonic nanocavities, waveguides, and metamaterials remain in their infancy. This study investigates…

MoS2 monolayers exhibit excellent light absorption and large thermoelectric power, which are, however, accompanied with very strong exciton binding energy - resulting in complex photoresponse characteristics. We study the electrical…

Mesoscale and Nanoscale Physics · Physics 2016-07-05 Sangeeth Kallatt , Govindarao Umesh , Navakanta Bhat , Kausik Majumdar

Strong light absorption, coupled with moderate carrier transport properties, makes two-dimensional (2-D) layered transition metal dichalcogenide (TMD) semiconductors promising candidates for low intensity photodetection applications.…

Mesoscale and Nanoscale Physics · Physics 2018-02-15 Sangeeth Kallatt , Smitha Nair , Kausik Majumdar

The band structure of MoS$_2$ strongly depends on the number of layers, and a transition from indirect to direct-gap semiconductor has been observed recently for a single layer of MoS$_2$. Single-layer MoS$_2$ therefore becomes an efficient…

Materials Science · Physics 2011-09-13 T. Korn , S. Heydrich , M. Hirmer , J. Schmutzler , C. Schüller

One important use of layered semiconductors such as molybdenum disulfide (MoS2) could be in making novel heterojunction devices leading to functionalities unachievable using conventional semiconductors. Here we demonstrate an ultrafast…

Materials Science · Physics 2013-08-13 Mohammad R. Esmaeili-Rad , Sayeef Salahuddin