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On-chip integration of two-dimensional (2D) materials with unique structures and distinctive properties endow integrated devices with new functionalities and improved performance. With a high flexibility in modifying its properties and a…

Optics · Physics 2024-06-06 David J. Moss

We experimentally demonstrate enhanced spectral broadening of femtosecond optical pulses af-ter propagation through silicon-on-insulator (SOI) nanowire waveguides integrated with two-dimensional (2D) graphene oxide (GO) films. Owing to the…

Optics · Physics 2022-05-17 Yuning Zhang , Jiayang Wu , Yunyi Yang , Yang Qu , Linnan Jia , Baohua Jia , David J. Moss

We theoretically investigate and optimize four-wave mixing (FWM) in silicon nitride (SiN) waveguides integrated with two-dimensional (2D) layered graphene oxide (GO) films. Based on extensive previous measurements of the material parameters…

Optics · Physics 2021-02-16 Yang Qu , Jiayang Wu , Yuning Zhang , Linnan Jia , Yao Liang , Baohua Jia , David J. Moss

With a swift progress in modern high-throughput communication systems, security, sensing and medicine utilizing THz range technologies, the demand for easy-to-fabricate, lightweight and high-performance absorbing materials has increased…

Materials Science · Physics 2025-07-30 A. Vasilev , M. Zhezhu , H. Parsamyan , G. Baghdasaryan , M. Sargsyan , D. A. Ghazaryan , H. Gharagulyan

This article is withdrawn since it is published in a journal We report on the first reduction methodology, compatible with flexible, temperature sensitive substrates, for the production of reduced spin coated graphene oxide (GO) electrodes.…

Materials Science · Physics 2012-12-14 Emmanuel Kymakis , Kyriaki Savva , Minas M. Stylianakis , Costas Fotakis , Emmanuel Stratakis

The present work reports the effect of adding Graphene Oxide (GO) and reduced Graphene Oxide (rGO) in the corrosion protection provided by a water-borne resin applied on a galvanized steel substrate. Three concentrations, 0.05, 0.1 and 0.15…

Materials Science · Physics 2024-01-30 A. Collazo , B. Díaz , R. Figueroa , X. R. Nóvoa , C. Pérez

Graphene oxide finds applications in different fields of science, including energy conversion. Electrochemical reduction of graphene oxide (GO) significantly improves its conductivity. However, the kinetics of this process depends on the…

Rapid and controllable reduction of graphene oxide (GO) remains a critical challenge for realizing its full technological potential. Here, we report efficient reduction of GO by a synergistic electron-beam-assisted single-pulse…

Applied Physics · Physics 2026-05-05 Israt Ali , Hilaire Mba , Matthieu Picher , Shruti Verma , Florian Banhart , Kenneth R. Beyerlein

In the context of graphene-based composite applications, a complete understanding of charge conduction in multilayer reduced graphene oxides (rGO) is highly desirable. However, these rGO compounds are characterized by multiple and different…

We report a chemical free method for the reduction of graphene oxide (GO) thin films. It was observed how for GO films annealed in air the oxygen species desorb from the GO surface upon exposure to UV light and how the surface resistivity…

Materials Science · Physics 2011-02-07 S. Bittolo Bon , L. Valentini

Optical parametric amplification (OPA) represents a powerful solution to achieve broadband amplification in wavelength ranges beyond the scope of conventional gain media, for generating high-power optical pulses, optical microcombs,…

Graphene oxide (GO) is one of chemically modified graphenes and has been extensively investigated worldwide. A monolayer sheet of GO can be chemically produced in solution and it has been expected to be adaptable to a wide variety of…

Materials Science · Physics 2011-02-11 Yoshio Kanamori , Seiji Obata , Koichiro Saiki

Graphene oxide (GO) raised substantial interest in the last two decades thanks to its unique properties beyond those of pristine graphene, including electronic energy band-gap, hydrophilic behavior and numerous anchoring sites required for…

Applied Physics · Physics 2021-04-07 O. Seri-Livni , C. Saguy , F. Horani , E. Lifshitz , D. Cheskis

The production of large area interfaces and the use of scalable methods to build-up designed nanostructures generating advanced functional properties are of high interest for many materials science applications. Nevertheless, large area…

Because they may provide ultrathin, high-flux, and energy-efficient membranes for precise ionic and molecular sieving in aqueous solution, GO membranes (partially oxidized, stacked sheets of graphene) have shown great potential in water…

Graphene oxide (GO) is one of chemically modified graphenes and has been extensively studied worldwide. A monolayer sheet of GO which is chemically produced in solution can be deposited on various substrates. We have proved that use of…

Materials Science · Physics 2011-01-21 Seiji Obata , Hiroshige Tanaka , Koichiro Saiki

We investigate advanced CMOS-compatible Graphene/Silicon active metasurfaces based on guided-mode resonance filters. The simulated results show a high extinction ratio (>25 dB), narrow linewidth (~1.5 nm @1550 nm), quality factor of Q~1000,…

The application of solution-processable graphene oxide (GO) as hole injection layer in organic light-emitting diodes (OLEDs) is demonstrated. High luminance of over 53,000 cd m-2 is obtained at only 10 V. The results will unlock a route of…

Materials Science · Physics 2014-01-20 Shengwei Shi , Veera Sadhu , Reda Moubah , Guy Schmerber , Qinye Bao , S. Ravi P. Silva

This study investigates the prospect of using reduced graphene oxide encapsulated between thin wood membranes as a composite filter for water filtration. Graphene oxide (GO) with a volume range of 0.2 to 0.5 mL was deposited on a 95 mm2…

We observe a strong polarization dependent optical loss of in-plane light propagation in silicon waveguide due to the presence of graphene. Both transverse-electric (TE) and transverse-magnetic (TM) modes are efficiently (~3 dB) coupled to…