In this report, we investigated the optical behaviour of GO and chemically reduced GO (with different degrees of de-oxidation, termed as RGO-5 and RGO-10) deposited onto SiO2/Si substrates, using variable angle spectroscopic ellipsometry.

Mater. ZrO2 (Zirconium dioxide, Zirconia) McGahan, J.A. GaN (Gallium nitride) All Rights Reserved. Os (Osmium) 2, 1015–1024 (2010), H.A. Applied Physics A AlAs (Aluminium arsenide) 3, 270–274 (2008), H.G. ZnS (Zinc sulfide) Optical constants of graphene measured by spectroscopic ellipsometry, Appl. Ar (Argon)

https://doi.org/10.1007/s00339-018-1999-1, DOI: https://doi.org/10.1007/s00339-018-1999-1, Over 10 million scientific documents at your fingertips, Not logged in

Lu (Lutetium) CsF (Cesium fluoride)

3D - selected data for 3D artists, Book Phys. https://doi.org/10.1007/s00339-018-1999-1. Novoselov, Detection of individual gas molecules adsorbed on graphene. The optical bandgap is found to reduce systematically from 3.25 eV for GO to 2.78 and 1.81 eV for RGO-5 and RGO-10 samples, respectively. Sun, Q. Yuan, F. Ding, X. Tao, F. Yan, Z. Zheng, Thin film field-effect transistors from bandgap-tunable, solution-processed, few-layer reduced graphene oxide films. Bi12GeO20 (Bismuth germanate, BGO) Lu2O3 (Lutetium sesquioxide) Ca (Calcium) Cu2O (Copper(I) oxide) The encrypted patterns in the hologram could not be seen as a normal microscope image, but could be retrieved in the diffracted mode. Thickness: 3.4 Å.

CaMg(CO3)2 (Calcium magnesium carbonate, Dolomite)

6, 183–191 (2007), S. Das Sarma, S. Adam, E.H. Hwang, E. Rossi, Electronic transport in two dimensional graphene. Nb (Niobium) Soc. Hummers, R.E. Chem. This is a preview of subscription content, log in to check access. The derived optical constants of the reduced graphene oxide layer are compared to reported values of graphene and thermally reduced graphene oxide. PbMoO4 (Lead Molybdate) CsLiB6O10 (Cesium lithium borate, CLBO) CdSe (Cadmium selenide) DjuriÅ¡ić and Li 1999: Graphite; n,k (o); 0.0310-10.332 µm ZnTe (Zinc telluride)

Tl3AsSe3 (Thallium arsenic selenide, TAS) Am. Sc (Scandium) The effect of these contamination layers on the optical properties of the stacked structure is noticeable both in the visible and the ultraviolet spectral regions, thus masking the graphene optical response.

8, 902–907 (2008), K.S. Lett. MgO (Magnesium monoxide) H2 (Hydrogen) 123, 055303-1–055303-6 (2018), B. Trathnigg, Determination of chemical composition of polymers by size exclusion chromatography with coupled density and refractive index detection. GaAs (Gallium arsenide) O2 (Oxygen)

October 3, 2013, (a) Mixing GOs with PVA solutions for the preparation of the GO-polymer sample. do not need to formally request permission to reproduce material contained in this

it in a third party non-RSC publication you must Co (Cobalt) Nb2O5 (Niobium pentoxide) MgAl2O4 (Magnesium aluminate, spinel)

Y2O3 (Yttrium sesquioxide) VN (Vanadium nitride) is available on our Permission Requests page. Anisotropic optical constants of graphene oxide from spectroscopic ellipsometry. Y3Al5O12 (Yttrium aluminium garnet, YAG)

J. W. Weber, V. E. Calado and M. C. M. van de Sanden. Science 319, 1229–1232 (2008), S.H. 5, 487–496 (2010), A.A. Balandin, S. Ghosh, W.Z. CS2 (Carbon disulfide) CeF3 (Cerium trifluoride) (b) Illustration of the two-photon reduction induced giant refractive-index modulation and the simultaneous fluorescence (FL) intensity decrease by a fs beam. *

Ag (Silver)

53, 1126–1130 (1970), I. Krishnamoorthy, M. Veerapandian, K. Yun, S.J. (c) The giant refractive-index change and FL signals enabled multimode optical recording by laterally translating the sample across the focal plane and controlling the strength of the two-photon reduction. Mater. Na (Sodium) Han, A.F. Pd (Palladium) K (Potassium) Whereas, the dielectric behaviour of RGO-5 sample found to be better with a lower value of extinction coefficient as compared to GO and RGO-10 samples. He (Helium) Arakawa et al. PbTe (Lead telluride)

Phys.

Nanotechnol.

InSb (Indium antimonide) The Unruh…. PbS (Lead sulfide) Politano, C. Versace, C. Vena, M. Castriota, F. Ciuchi, A. Fasanella, G. Desiderio, E. Cazzanelli, Physical investigation of electrophoretically deposited graphene oxide and reduced graphene oxide thin films. Specifically, giant refractive index modification (as large as 10^-1), which is one order of magnitude larger than the current materials, between graphene oxide (GO) and reduced graphene oxide (rGO) have been demonstrated by dynamically manipulating its oxygen content using direct laser writing (DLW) method. Chorsi, Graphene plasmonic nanogratings for biomolecular sensing in liquid. “More importantly, graphene has been deemed as a revolutionary replacement for silicon, which is the platform for current information technologies based on electronics,” Dr Xiangping Li said. “The unique feature of the giant refractive-index modulation together with the fluorescent property of the graphene oxide polymer offers a new mechanism for multimode optical recording,” Professor Gu said. PbSe (Lead selenide)

A 123, 757-1-757-2 (2017), F. Schedin, A.K. ZnSe (Zinc selenide)

J. Phys. Carbon 53, 38–49 (2013), H. Fujiwara, Spectroscopic Ellipsometry: Principles and Applications (Wiley, England, 2007), C.M.

MoO3 (Molybdenum trioxide) MgH2 (Magnesium hydride) Robinson, A. Goodwin, S. Zaric, H. Dai, Nano-graphene oxide for cellular imaging and drug delivery. N2 (Nitrogen) NaI (Sodium iodide) Shukla, V.D. YLiF4 (Yttrium lithium fluoride, YLF) Fe3O4 (Iron(II,III) oxide, Magnetite) Young, B. Ozyilmaz, P. Kim, K.L. C (Carbon, diamond, graphite, graphene) “The giant refractive index of this material shows promise for merging data storage with holography for security coding,” Professor Gu said.

HgS (Mercury sulfide)

InP (Indium phosphide)

LiF (Lithium fluoride) Kysar, measurement of the elastic properties and intrinsic strength of monolayer graphene. GaSe (Gallium selenide) Lett. ACS Nano 7, 6310–6320 (2013), P. Johari, V.B. 2010: Graphene; n,k 0.21-1.0 µm. Correspondence to CO (Carbon monoxide) LiCl (Lithium chloride) CsI (Cesium iodide) TiC (Titanium carbide) - 66.198.240.37. References. Sun, Z. Liu, K. Welsher, J.T. Nat. KH2PO4 (Potassium dihydrogen phosphate, KDP) (The refractive index is the measure of the bending of light as it passes through a medium.). PbF2 (Lead difluoride) 1977: n,k 0.326-2.07 µm SrTiO3 (Strontium titanate, STO) NaBr (Sodium bromide) Lett.

InAs (Indium arsenide)

GO and its chemically tuned derivatives (RGO-5 & RGO-10) have been synthesized using Hummer’s method and by its corresponding reduction using different concentrations (5 and 10 ml) of reducing agent, respectively.

CaSO4 (Calcium sulfate) CsBr (Cesium bromide) By focusing an ultrashort laser beam onto the graphene oxide polymer, the researchers created a 10-100 times increase in the refractive-index of the graphene oxide along with a decrease in its fluorescence.

Complutense 30, 28040 Madrid, Spain, c of the whole article in a thesis or dissertation. MgF2 (Magnesium fluoride)

Becerril, J. Mao, Z. Liu, R.M. ACS Nano. Appl. Graphenea S.A., Tolosa Hiribidea 76, 20018 Donostia-San Sebastián, Spain.

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