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The functionalized graphene sheets (FGS)-polyacrylamide (PAM) composite films have been prepared by solution cast technique. The FGS have been synthesized by thermal exfoliation of graphite oxide. Several composites with different weight %…

Mesoscale and Nanoscale Physics · Physics 2010-04-27 Ratnesh Pandey , Kalpana Awasthi , R. S. Tiwari , O. N. Srivastava

Incorporation of magnetism in graphene based compounds holds great promise for potential spintronic applications. By optimizing point defects and high edge density of defects, we report many-fold increase in the ferromagnetic saturation…

Applied Physics · Physics 2017-05-19 Vikrant Sahu , V. K. Maurya , S. Patnaik , Gurmeet Singha , Raj Kishore Sharma

Graphene oxide (GO) exhibits rich chemical heterogeneity that strongly influences its structural, thermal, and mechanical properties, yet quantitatively linking reduction chemistry to heat transport remains challenging. In this work, we…

Reduced graphene oxide (rGO) exhibits strong anisotropic light absorption and high compatibility with photonic integrated chips, making it a promising material for implementing high performance onchip polarization selective devices. The…

In the present work, ultrathin films of Zinc oxide (ZnO) and Aluminum doped zinc oxide (AZO) with 20 nm thick were fabricated at 300 K on glass and Polyethylene terephthalate (PET) substrates by means of directcurrent sputtering method. The…

Applied Physics · Physics 2017-10-11 mohammed rasheed , Regis Barille

GAN-based image compression schemes have shown remarkable progress lately due to their high perceptual quality at low bit rates. However, there are two main issues, including 1) the reconstructed image perceptual degeneration in color,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-21 Fanxin Xia , Jian Jin , Lili Meng , Feng Ding , Huaxiang Zhang

Density functional theory (DFT) is a powerful computational method used to obtain physical and chemical properties of materials. In the materials discovery framework, it is often necessary to virtually screen a large and high-dimensional…

Materials Science · Physics 2024-08-06 Şener Özönder , H. Kübra Küçükkartal

This study proposes a novel design of glucose sensor with enhanced selectivity and sensitivity by using graphene Schottky diodes, which is composed of Graphene (G)/Platinum Oxide (PtO)/n-Silicon (Si) heterostructure. The sensor was tested…

Applied Physics · Physics 2020-01-01 Mahmoud A. Sakr , Karim Elgammal , Anna Delin , Mohamed Serry

A simple method is developed to synthesize gram quantities of uniform Ge nanowires (GeNWs) by chemical vapor deposition on preformed, monodispersed seed-particles loaded onto high surface area silica support. Various chemical…

Materials Science · Physics 2007-05-23 Dunwei Wang , Ying-Lan Chang , Zhuang Liu , Hongjie Dai

In this work we demonstrate comprehensive studies on graphene oxide (GO) and reduced graphene oxide (rGO) based saturable absorbers (SA) for mode-locking of Er-doped fiber lasers. The paper describes the fabrication process of both…

The development of high-performing sensing materials, able to detect ppb-trace concentrations of volatile organic compounds at low temperatures, is required for the development of next-generation miniaturized wireless sensors. Here, we…

We experimentally demonstrate enhanced self-phase modulation (SPM) in silicon nitride (Si3N4) waveguides integrated with 2D graphene oxide (GO) films. GO films are integrated onto Si3N4 waveguides using a solution-based, transfer-free…

The dynamic covalent properties of graphene oxide (GO) are of fundamental interest to a broad range of scientific areas and technological applications. It remains a challenge to access the feasible dynamic reactions for reversibly…

Materials Science · Physics 2022-08-24 Zihan Yan , Wenjie Yang , Hao Yang , Chengao Ji , Shuming Zeng , Xiuyun Zhang , Liang Zhao , Yusong Tu

We report a method to promote photoluminescence emission in graphene materials by enhancing carrier scattering instead of directly modifying band structure in multilayer reduced graphene oxide (rGO) nanospheres. We intentionally curl…

Mesoscale and Nanoscale Physics · Physics 2013-07-23 Qi Chen , Chunfeng Zhang , Fei Xue , Yong Zhou , Wei Li , Ye Wang , Wenguang Tu , Zhigang Zou , Xiaoyong Wang , Min Xiao

Resonant scatterers such as hydrogen adatoms can strongly enhance the low energy density of states in graphene. Here, we study the impact of these impurities on the electronic screening. We find a two-faced behavior: Kubo formula…

Mesoscale and Nanoscale Physics · Physics 2012-10-15 Shengjun Yuan , T. O. Wehling , A. I. Lichtenstein , M. I. Katsnelson

ZnO-based photocatalysts are widely investigated photocatalytic materials for pollutant degradation due to their low cost, abundance, and eco-friendly characteristics. However, the effectiveness of its photocatalytic properties is limited…

Applied Physics · Physics 2023-08-11 Arun Murali , Rahulkumar Sunil Singh , Michael L Free , Prashant K Sarswat

We report combined scanning probe microscopy and electrical measurements to investigate local electronic transport in reduced graphene oxide (rGO) devices. We demonstrate that quantum transport in these materials can be significantly tuned…

Mesoscale and Nanoscale Physics · Physics 2025-09-17 Julian Sutaria , Cristian Staii

Active research in nanotechnology contemplates the use of nanomaterials for engineering applications. However, a primary challenge is understanding the effects of nanomaterial properties on industrial device performance and translating…

Pt electrocatalytic nanoparticles were deposited onto hybrid carriers composed of reduced graphene oxide (rGO)-transition metal hexacyanoferrate (Prussian Blue-PB) and the resulting system's electrochemical activity was investigated during…

Ternary transition metal nitride coatings are promising for many applications as they can offer improved hardness and oxidation resistance compared to binary counterparts. A common challenge in the deposition of functional nitride thin…

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