Hot Carrier Transport and Carrier Multiplication Induced High Performance Vertical Graphene/Silicon Dynamic Diode Generator
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Science"
DOI: 10.1002/advs.202200642
Abstract: Dynamic semiconductor diode generators (DDGs) offer a potential portable and miniaturized energy source, with the advantages of high current density, low internal impedance, and independence of the rectification circuit. However, the output voltage of DDGs… read more here.
Keywords: carrier transport; graphene silicon; carrier;
Covalent hybrid of graphene and silicon dioxide and reinforcing effect in rubber composites
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Polymer Research"
DOI: 10.1007/s10965-018-1616-1
Abstract: AbstractFor developing high performance graphene and silicon dioxide (SiO2)-based green rubber nanocomposites, dispersal of graphene nanosheets and SiO2 particles in rubber hosts and precise interface control are challenging due to their strong interlayer cohesive energy… read more here.
Keywords: silicon dioxide; graphene; sio2; effect ... See more keywords
Nonlinear optical response of graphene/silicon nanocomposites
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1535-8
Abstract: In this experimental investigation, silicon nanoparticles and graphene nanosheets suspensions were produced by the pulsed laser ablation in distilled water separately. Then graphene and silicon were mixed in different volumetric ratio and irradiated by UV… read more here.
Keywords: nonlinear optical; graphene nanosheets; graphene silicon; silicon nanocomposites ... See more keywords
Efficient photovoltaic effect in graphene/h-BN/silicon heterostructure self-powered photodetector
Sign Up to like & getrecommendations! Published in 2020 at "Nano Research"
DOI: 10.1007/s12274-020-2866-x
Abstract: Graphene (Gr)/Si-based optoelectronic devices have attracted a lot of academic attention due to the simpler fabrication processes, low costs, and higher performance of their two-dimensional (2D)/three-dimensional (3D) hybrid interfaces in Schottky junction that promotes electron-hole… read more here.
Keywords: photodetector; self powered; graphene silicon; heterostructure ... See more keywords
Optical reversible logic gates based on graphene-silicon slot waveguides
Sign Up to like & getrecommendations! Published in 2020 at "Optik"
DOI: 10.1016/j.ijleo.2020.166182
Abstract: Abstract In this paper, three optical reversible logic gates including Toffoli, Peres and Fredkin gates utilizing graphene-silicon slot waveguides are presented and investigated. The introduced Toffoli, Peres and Fredkin gates are consisting of cascaded Mach-Zehnder… read more here.
Keywords: slot waveguides; silicon slot; optical reversible; graphene silicon ... See more keywords
Graphene coupled with Pt cubic nanoparticles for high performance, air-stable graphene-silicon solar cells
Sign Up to like & getrecommendations! Published in 2017 at "Nano Energy"
DOI: 10.1016/j.nanoen.2016.12.042
Abstract: Abstract Graphene-silicon (Gr-Si) solar cells have been intensively investigated in recent years, which exhibits a potential application of two-dimensional materials in photovoltaics. However, the pristine Gr with low carrier concentration and therefore low work function… read more here.
Keywords: graphene; silicon solar; high performance; graphene silicon ... See more keywords
Very high open-circuit voltage in dual-gate graphene/silicon heterojunction solar cells
Sign Up to like & getrecommendations! Published in 2018 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.08.052
Abstract: Abstract Two dimensional (2D) layered materials and their heterojunctions with other materials are attracted because of their remarkable electrical and optical properties. In particular, graphene/semiconductor Schottky heterojunction is used for high performance solar cells. Here,… read more here.
Keywords: voltage; graphene; gate; graphene silicon ... See more keywords
Broadband and compact two-mode switch using a graphene–silicon Y-junction
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.06.050
Abstract: Abstract A compact two-mode switch with broad bandwidth is presented in this paper. The design of the proposed switch is based on a symmetric Y-junction which is composed of a silicon multimode straight waveguide, a… read more here.
Keywords: switch; graphene silicon; compact two; two mode ... See more keywords
New Insight into the Metal-Catalyst-Free Direct Chemical Vapor Deposition Growth of Graphene on Silicon Substrates
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Physical Chemistry C"
DOI: 10.1021/acs.jpcc.0c07457
Abstract: To fabricate stable and high-quality graphene–silicon (Si) heterojunctions, it is of paramount importance to grow high-quality graphene on pristine Si surfaces directly and understand its growth me... read more here.
Keywords: growth; metal catalyst; graphene silicon; new insight ... See more keywords
Electrical Homogeneity Mapping of Epitaxial Graphene on Silicon Carbide.
Sign Up to like & getrecommendations! Published in 2018 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.8b11428
Abstract: Epitaxial graphene is a promising route to wafer-scale production of electronic graphene devices. Chemical vapor deposition of graphene on silicon carbide offers epitaxial growth with layer control but is subject to significant spatial and wafer-to-wafer… read more here.
Keywords: silicon carbide; wafer; graphene; epitaxial graphene ... See more keywords
Graphene–silicon phase modulators with gigahertz bandwidth
Sign Up to like & getrecommendations! Published in 2018 at "Nature Photonics"
DOI: 10.1038/s41566-017-0071-6
Abstract: The modulator is a key component in optical communications. Several graphene-based amplitude modulators have been reported based on electro-absorption. However, graphene phase modulators (GPMs) are necessary for functions such as applying complex modulation formats or… read more here.
Keywords: phase modulators; phase; photonics; graphene silicon ... See more keywords