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Related papers: Graphene-based light sensing: fabrication, charact…

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Two-dimensional (2D) materials, such as graphene, transition metal dichalcogenides (TMDs), black phosphorus (BP) and related derivatives, have attracted great attention due to their advantages of flexibility, strong light-matter…

Applied Physics · Physics 2019-02-20 Tiande Liu , Lei Tong , Xinyu Huang , Lei Ye

Two dimensional (2D) materials exhibit superior properties in electronic and optoelectronic fields. The wide demand for high performance optoelectronic devices promotes the exploration of diversified 2D materials. Recently, 2D covalent…

Graphene has emerged as a promising material for photonic applications fuelled by its superior electronic and optical properties. However, the photoresponsivity is limited by the low absorption cross section and ultrafast recombination…

The challenge of next generation datacom and telecom communication is to increase the available bandwidth while reducing the size, cost and power consumption of photonic integrated circuits. Silicon (Si) photonics has emerged as a viable…

The monolithic integration of novel nanomaterials with mature and established technologies has considerably widened the scope and potential of nanophotonics. For example, the integration of single semiconductor quantum dots into photonic…

Graphene based photo-detecting has received great attentions and the performance of such detector is stretching to both ends of high sensitivity and ultra-fast response. However, limited by the current photo-gating mechanism, the price for…

Instrumentation and Detectors · Physics 2016-09-23 Xitao Guo , Wenhui Wang , Haiyan Nan , Yuanfang Yu , Jie Jiang , Weiwei Zhao , Jinhuan Li , Zainab Zafar , Nan Xiang , Zhonghua Ni , Weida Hu , Yumeng You , Zhenhua Ni

2D materials provide a platform for strong light--matter interactions, creating wide-ranging design opportunities via new-material discoveries and new methods for geometrical structuring. We derive general upper bounds to the strength of…

Heterostructures prepared from graphene and fluorographene (FG) using the technology of 2D printing on solid and flexible substrates were fabricated and studied. Excellent stability of printed graphene layers and, to a lesser degree,…

We report on the efficient photodetection (PD) properties of graphene based p-i-n photodetector, where all the three layers are either single or multilayer graphene sheets. We report the bandwidth and responsivity performance of the device.…

Applied Physics · Physics 2018-03-01 Kanishka Majumder , Devesh Barshilia , Subimal Majee

We review the current state of the art of graphene-enhanced thermal interface materials for the management of heat the next generation of electronics. Increased integration densities, speed, and power of electronic and optoelectronic…

Applied Physics · Physics 2020-08-26 Jacob S. Lewis , Timothy Perrier , Zahra Barani , Fariborz Kargar , Alexander A. Balandin

The infrared (IR) photoresponse of graphene synthesized by an atmospheric chemical vapor deposition (CVD) system using a mixture of hydrogen and methane gases was studied. The IR sensor devices were fabricated using graphene films…

Applied Physics · Physics 2023-01-23 Ahalapitiya H. Jayatissa , Madhav Gautam

Atomically thin crystals have recently been the focus of attention in particular after the synthesis of graphene, a monolayer hexagonal crystal structure of carbon. In this novel material class the chemically derived graphenes have…

Materials Science · Physics 2015-02-23 H. Sahin , O. Leenaerts , S. K. Singh , F. M. Peeters

The development of wearable photodetectors demands a unique combination of broadband optical sensitivity, mechanical flexibility, and skin-compatibility, with these requirements rarely met simultaneously by existing technologies. Here, we…

We propose and analyze the concept of the vertical hot-electron terahertz (THz) graphene-layer detectors (GLDs) based on the double-GL and multiple-GL structures with the barrier layers made of materials with a moderate conduction band…

Mesoscale and Nanoscale Physics · Physics 2015-06-22 V. Ryzhii , A. Satou , T. Otsuji , M. Ryzhii , V. Mitin , M. S. Shur

Since its discovery in 2004, graphene has attracted the interest of the scientific community due to its excellent properties of high carrier mobility, flexibility, strong light-matter interaction and broadband absorption. Despite of its…

Applied Physics · Physics 2021-05-04 Teresa Crisci , Luigi Moretti , Mariano Gioffre' , Maurizio Casalino

The unique optical and electronic properties of graphene allow one to realize active optical devices. While several types of graphene-based photonic modulators have already been demonstrated, the potential of combining the versatility of…

Graphene is a novel two-dimensional material with fascinating electrodynamic properties like the ability to support collective electron oscillations (plasmons) accompanied by tight confinement of electromagnetic fields. Our goal is to…

Mesoscale and Nanoscale Physics · Physics 2013-03-15 Marinko Jablan

Graphene, the atomically-thin honeycomb carbon lattice, is a highly conducting 2D material whose exposed electronic structure offers an ideal platform for sensing. Its biocompatible, flexible, and chemically inert nature associated to the…

Scientists are always yearning for new and exciting ways to unlock graphene's true potential. However, recent reports suggest this two-dimensional material may harbor some unique properties, making it a viable candidate for use in…

Materials Science · Physics 2014-06-04 F. V. Kusmartsev , W. M. Wu , M. P. Pierpoint , K. C. Yung

We implemented a nanoelectronic interface between graphene field effect transistors (FETs) and soluble proteins. This enables production of bioelectronic devices that combine functionalities of the biomolecular and inorganic components. The…

Mesoscale and Nanoscale Physics · Physics 2015-06-03 Ye Lu , Mitchell B. Lerner , Zhengqing John Qi , Joseph J. Mitala , Jong Hsien Lim , Bohdana M. Discher , A. T. Charlie Johnson