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We perform a phenomenological analysis of the problem of the electronic doping of a graphene sheet by deposited transition metal atoms, which aggregate in clusters. The sample is placed in a capacitor device such that the electronic doping…

Strongly Correlated Electrons · Physics 2015-03-19 Jaime E. Santos , Nuno M. R. Peres , Joao M. B. Lopes dos Santos , Antonio H. Castro Neto

In this paper, the effect of B and N doping on the phonon induced thermal conductivity of graphene has been investigated. This study is important when one has to evaluate the usefulness of electronic properties of B and N doped graphene. We…

We have combined DFT calculations with the Boltzmann semiclassical transport theory to investigate the effect of selective hydrogenation on the thermoelectric properties of tetra-penta-deca-hexagonal graphene (TPDH-gr), a recently proposed…

In this paper, we performed four modifications on the solar still, as (A) adding the graphite nanoparticles, (B) the graphite nanoparticles together with the phase change material (PCM), (C) the graphite nanoparticles together with glass…

Mesoscale and Nanoscale Physics · Physics 2016-05-09 S. W. Sharshir , Guilong Peng , Lirong Wu , Nuo Yang , F. A. Essa , A. E. Kabeel

Self-doping in graphene has been studied by examining single-layer epitaxially grown graphene samples with differing characteristic lateral terrace widths. Low energy electron microscopy was used to gain real-space information about the…

Mesoscale and Nanoscale Physics · Physics 2009-01-15 D. A. Siegel , S. Y. Zhou , F. El Gabaly , A. V. Fedorov , A. K. Schmid , A. Lanzara

We have studied structural and superconducting properties of MgB2 thin films doped with carbon during the hybrid physical-chemical vapor deposition process. A carbon-containing metalorganic precursor bis(cyclopentadienyl)magnesium was added…

Amongst the wide spectrum of potential applications of graphene, ranging from transistors and chemical-sensors to nanoelectromechanical devices and composites, the field of photonics and optoelectronics is believed to be one of the most…

The quantum interaction between molecules and electrode s material at molecules-electrode interfaces is a major ingredient in the electronic transport properties of organic junctions. Driven by the coupling strength between the two…

Research on conjugated polymers for thermoelectric applications has made tremendous progress in recent years, which is accompanied by surging interest in molecular doping as a means to achieve the high electrical conductivities that are…

Transition metal dichalcogenides (TMDCs) have garnered significant interest in optoelectronics, owing to their scalability and thickness-dependent electrical and optical properties. In particular, thin films of TMDCs could be used in…

Materials Science · Physics 2023-12-19 Enesio Marinho , Cesar E. P. Villegas , Pedro Venezuela , Alexandre R. Rocha

Fluorescence studies of natural photosynthetic complexes on a graphene layer demonstrate pronounced influence of the excitation wavelength on the energy transfer efficiency to graphene. Ultraviolet light yields much faster decay of…

Mesoscale and Nanoscale Physics · Physics 2015-07-13 Sebastian Mackowski , Izabela Kamińska

Great achievements in last five years, such as record-efficient amorphous/crystalline silicon heterojunction (SHJ) solar cells and cutting-edge perovskite/SHJ tandem solar cells, place hydrogenated amorphous silicon (a-Si:H) at the…

The design of stacks of layered materials in which adjacent layers interact by van der Waals forces[1] has enabled the combination of various two-dimensional crystals with different electrical, optical and mechanical properties, and the…

Mesoscale and Nanoscale Physics · Physics 2016-02-17 L. Ju , J. Velasco , E. Huang , S. Kahn , C. Nosiglia , H. Tsai , W. Yang , T. Taniguchi , K. Watanabe , Y. Zhang , G. Zhang , M. Crommie , A. Zettl , F. Wang

We report on the existence of water-gated charge doping of graphene deposited on atomically flat mica substrates. Molecular films of water in units of ~0.4 nm-thick bilayers were found to be present in regions of the interface of…

Materials Science · Physics 2021-07-16 Jihye Shim , Chun Hung Lui , Taeg Yeoung Ko , Young-Jun Yu , Philip Kim , Tony F. Heinz , Sunmin Ryu

The Indium Gallium Nitride (InGaN) III-Nitride ternary alloy has the potentiality to allow achieving high efficiency solar cells through the tuning of its band gap by changing the Indium composition. It also counts among its advantages a…

The thermoelectric properties of polythiophene (PT) coupled to the Au (111) electrodes are studied based on density functional theory combined with nonequilibrium Green function formalism. Specially, the effect of Li and Cl adsorbents on…

Mesoscale and Nanoscale Physics · Physics 2018-04-04 Zahra Golsanamlou , Meysam Bagheri Tagani , Hamid Rahimpour Soleimani

We present a new way to tune the electron-phonon coupling (EPC) in graphene by changing the deformation potential with electron/hole doping. We show the EPC for highest optical branch at the high symmetry point K, acquires a strong…

Materials Science · Physics 2011-05-03 Claudio Attaccalite , Ludger Wirtz , Michele Lazzeri , Francesco Mauri , Angel Rubio

We have studied the optical properties of two-dimensional (2D) Schottky photodiode heterojunctions made of chemical vapor deposited (CVD) graphene on n- and p-type Silicon (Si) substrates. Much better rectification behavior is observed from…

We report the fabrication and photovoltaic performance of a rotationally faulted multilayer graphene (rf-MLG)/n-Si Schottky junction device. A thickness-controlled rf-MLG is synthesized using a 5 {\mu}m Ni foil catalyst via the chemical…

Materials Science · Physics 2025-10-06 Hojun Im , Masahiro Teraoka

Diamond and diamond-like carbon (DLC) are used as coating materials for numerous applications, ranging from biomedicine to tribology. Recently, it has been shown that the hydrophilicity of the carbon films can be enhanced by silicon doping,…

Mesoscale and Nanoscale Physics · Physics 2016-04-19 Seiji Kajita , M. C. Righi
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