---

OSA | Characteristics of electro-refractive modulating ...

Graphene has attracted a high level of research interest because of its outstanding electronic transport properties and optical properties. Based on the Kubo formalism and the Maxwell equations, it’s demonstrated that the optical conductivity of graphene can be controlled through the applied voltage. And we find that the graphene-oxide-silicon (GOS) based waveguide can be made into either ...

---

Graphene vs. Silicon: The hype and reality | ITProPortal

2012-8-7 · Graphene is a potentially awesome replacement for silicon, but there’s a hell of a way to go before a shift to graphene might happen.

---

Graphene In, Silicon Out? | News & Features | Mar …

Fuhrer and coworkers showed that although the room-temperature limit of mobility in graphene is as high as 200,000 cm2/Vs, in present-day samples the actual mobility is lower, around 10,000 cm2/Vs, leaving significant room for improvement. Because graphene is only one atom thick, current samples must sit on a substrate, in this case silicon ...

---

Is Graphene the New Silicon? | NSF - National Science ...

2020-11-10 · If other extrinsic factors that limit mobility in graphene, such as impurities and lattice vibrations in the substrate on which graphene sits, could be eliminated, the intrinsic mobility in graphene would be higher than any other known material, and more than 100 times higher than silicon. Graphene is also a very promising material for chemical ...

---

Graphene-on-silicon hybrid plasmonic-photonic …

Graphene-on-silicon hybrid plasmonic-photonic integrated circuits Nanotechnology. 2017 Jun 16;28(24):245201. doi: 10.1088/1361-6528/aa7128. Epub 2017 May 4. Authors Ting-Hui Xiao 1 , Zhenzhou Cheng, Keisuke Goda. Affiliation 1 Department of Chemistry, University of ...

---

Graphene-Enabled Silicon Anode - The Global …

Graphene-Enabled Silicon Anode (GCATM) GCATM is a graphene-enabled silicon anode that offers the highest storage capacity and first cycle efficiency with materials and process compatibility, low cost and weight reduction. GCATM Overview and Value Proposition GCA solves many of the most pressing issues with high-capacity lithium ion battery anodes: silicon-induced rapid capacity decay and large

---

Zen Graphene Solution - ZEN.V | Stock Discussion …

"ZEN Graphene Solutions is an emerging graphene technology company with a large source of graphite from the globally unique Albany deposit, a rare, igneous-related, fluid-derived graphite deposit. The unique genesis of the Albany deposit has resulted in very fine-grained graphite crystallites, which yields an ideal graphite material for ...

---

Graphene on Silicon Nitride TEM Grids | ACS Material

Additionally, graphene’s low atomic number minimalizes the scattering of the TEM electron beam, resulting in crisper images. Continuous graphene films are required for TEM applications. ACS Material has developed a process to deposit high-quality CVD graphene films on silicon nitrate TEM grids using our proprietary trivial transfer method.

---

Graphene on Silicon Nitride TEM Grids | ACS Material

Additionally, graphene’s low atomic number minimalizes the scattering of the TEM electron beam, resulting in crisper images. Continuous graphene films are required for TEM applications. ACS Material has developed a process to deposit high-quality CVD graphene films on silicon nitrate TEM grids using our proprietary trivial transfer method.

---

Direct Growth of Graphene on Silicon by Metal-Free ...

2017-12-8 · The metal-free synthesis of graphene on single-crystal silicon substrates, the most common commercial semiconductor, is of paramount significance for many technological applications. In this work, we report the growth of graphene directly on an upside-down placed, single-crystal silicon substrate using metal-free, ambient-pressure chemical vapor deposition.

---

Graphene In, Silicon Out? | News & Features | Mar …

Fuhrer and coworkers showed that although the room-temperature limit of mobility in graphene is as high as 200,000 cm2/Vs, in present-day samples the actual mobility is lower, around 10,000 cm2/Vs, leaving significant room for improvement. Because graphene is only one atom thick, current samples must sit on a substrate, in this case silicon ...

---

Mechanically Stacked, Two-Terminal Graphene-Based ...

The J-V characteristics of the two types of silicon solar cells are reported in Supplemental Information , while those of two-terminal perovskite/silicon tandem solar cells (before graphene addition in mesoscopic perovskite top cells) are shown in Figures 4A and 4B .

---

The problem with graphene is too much silicon: RMIT …

2020-12-29 · Researchers from RMIT have fingered silicon as the reason why graphene has not become the next big thing in electronics. The team led by Dr Dorna Esrafilzadeh and Dr …

---

Graphene Coupled with Silicon Quantum Dots for …

Graphene is coupled with silicon quantum dots (Si QDs) on top of bulk Si to form a hybrid photodetector. Si QDs cause an increase of the built‐in potential of the graphene/Si Schottky junction while reducing the optical reflection of the photodetector. Both the electrical and optical contributions of Si QDs enable a superior performance of ...

---

Graphene on Silicon Nitride TEM Grids | ACS Material

Additionally, graphene’s low atomic number minimalizes the scattering of the TEM electron beam, resulting in crisper images. Continuous graphene films are required for TEM applications. ACS Material has developed a process to deposit high-quality CVD graphene films on silicon nitrate TEM grids using our proprietary trivial transfer method.

---

Graphene on Silicon Nitride TEM Grids | ACS Material

Additionally, graphene’s low atomic number minimalizes the scattering of the TEM electron beam, resulting in crisper images. Continuous graphene films are required for TEM applications. ACS Material has developed a process to deposit high-quality CVD graphene films on silicon nitrate TEM grids using our proprietary trivial transfer method.

---

Graphene/nano-porous silicon and …

In this work nano-porous silicon flour (Nano-PSiF) was synthesized first and then there was an investigation into its electrocatalytic activity for the electrochemical hydrogen evolution reaction (HER). The results showed that Nano-PSiF has good electrocatalytic activity for …

---

Global Graphene Group launches a graphene-silicon …

2020-12-25 · Global Graphene Group, and its subsidiary Angstron Energy (AEC) has developed a new graphene/silicon composite anode material (GCA-II-N) which can increase the capacity of Li-Ion batteries while reducing the battery's size and weight.AEC current market focus is on electronic bikes and consumer electronics, but is also working with Tier-1 electric cars and trucks makers.

---

(PDF) High Responsivity Graphene/Silicon …

The silicon waveguide is fabricated using complementary metal-oxide-semiconductor compatible processes, and directly covered by a graphene layer. Saturable absorption in the graphene is observed ...

---

1.5 Graphene- and Silicon-based Nanostructures

2014-1-28 · 1.5 Graphene- and Silicon-based Nanostructures. Bismuth and its compounds that are commonly used in thermoelectric applications suffer from high cost. In addition, tellurium compounds cannot be used in large-scale applications due to rarity. Silicon, on the other hand, is the second most abundant element on earth and has been used in large ...

---

In-Plane Optical Absorption and Free Carrier …

2013-5-29 · Abstract: We experimentally study the in-plane optical absorption and free carrier absorption (FCA) in graphene-on-silicon waveguides using a pump-probe measurement over microsecond timescales. The silicon waveguide is fabricated using complementary metal-oxide-semiconductor compatible processes, and directly covered by a graphene layer.

---

In-Plane Optical Absorption and Free Carrier …

2013-5-29 · Abstract: We experimentally study the in-plane optical absorption and free carrier absorption (FCA) in graphene-on-silicon waveguides using a pump-probe measurement over microsecond timescales. The silicon waveguide is fabricated using complementary metal-oxide-semiconductor compatible processes, and directly covered by a graphene layer.

---

Graphene vs. Silicon: The hype and reality | ITProPortal

2012-8-7 · Graphene is a potentially awesome replacement for silicon, but there’s a hell of a way to go before a shift to graphene might happen.

---

Graphene Coupled with Silicon Quantum Dots for …

Graphene is coupled with silicon quantum dots (Si QDs) on top of bulk Si to form a hybrid photodetector. Si QDs cause an increase of the built‐in potential of the graphene/Si Schottky junction while reducing the optical reflection of the photodetector. Both the electrical and optical contributions of Si QDs enable a superior performance of ...

---

Graphene-on-silicon hybrid plasmonic-photonic …

Graphene-on-silicon hybrid plasmonic-photonic integrated circuits Nanotechnology. 2017 Jun 16;28(24):245201. doi: 10.1088/1361-6528/aa7128. Epub 2017 May 4. Authors Ting-Hui Xiao 1 , Zhenzhou Cheng, Keisuke Goda. Affiliation 1 Department of Chemistry, University of ...

---

Graphene/nano-porous silicon and …

In this work nano-porous silicon flour (Nano-PSiF) was synthesized first and then there was an investigation into its electrocatalytic activity for the electrochemical hydrogen evolution reaction (HER). The results showed that Nano-PSiF has good electrocatalytic activity for …

---

Graphene-Enabled Silicon Anode - The Global …

Graphene-Enabled Silicon Anode (GCATM) GCATM is a graphene-enabled silicon anode that offers the highest storage capacity and first cycle efficiency with materials and process compatibility, low cost and weight reduction. GCATM Overview and Value Proposition GCA solves many of the most pressing issues with high-capacity lithium ion battery anodes: silicon-induced rapid capacity decay and large

---

Towards wafer-size graphene layers by atmospheric …

Graphene, a single monolayer of graphite, has recently attracted considerable interest owing to its novel magneto-transport properties, high carrier mobility and ballistic transport up to room temperature. It has the potential for technological applications as a successor of silicon in the post Moor …

---

OSA | Silicon graphene Bragg gratings

3 Graphene silicon waveguide and Bragg grating. Graphene can be incorporated into silicon to implement graphene silicon waveguides (GSWs). For the implementation of the Bragg grating we consider the layout shown in Fig. 1 that consists in placing a monolayer graphene sheet on top of a silicon bus waveguide, separated from it by a thin Al 2 O 3 ...