Optical Properties | p. 4 | Scientific.Net

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class="page-name-block-text">Papers by Keyword: Optical Properties</h1> </div> <div class="papers-author-content"> <div class="block-search-pagination"> <div class="pagination-container"><ul class="pagination"><li class="PagedList-skipToFirst"><a href="/paper-keyword/optical-properties/1"><<</a></li><li class="PagedList-skipToPrevious"><a href="/paper-keyword/optical-properties/3" rel="prev"><</a></li><li class="PagedList-ellipses"><a class="PagedList-skipToPrevious" href="/paper-keyword/optical-properties/1" rel="prev">…</a></li><li><a href="/paper-keyword/optical-properties/2">2</a></li><li><a href="/paper-keyword/optical-properties/3">3</a></li><li class="active"><span>4</span></li><li><a href="/paper-keyword/optical-properties/5">5</a></li><li><a href="/paper-keyword/optical-properties/6">6</a></li><li class="PagedList-ellipses"><a class="PagedList-skipToNext" href="/paper-keyword/optical-properties/7" rel="next">…</a></li><li class="PagedList-skipToNext"><a href="/paper-keyword/optical-properties/5" rel="next">></a></li><li class="PagedList-skipToLast"><a href="/paper-keyword/optical-properties/20">>></a></li></ul></div> </div> <div class="block-volume-title normal-text-gray"> <p> Paper Title<span>Page</span> </p> </div> <div class="item-block"> <div class="item-link"> <a href="/DDF.418.109">Optical and Photolumenance Studies of Deposited CuO<sub>2</sub> Nano-Structures at Different Laser Energies Effects</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Makram A. Fakhri, Milad Nazar Abdul Kareem Alghurabi, Forat Hamzah Alsultany, M.H.A. Wahid </div> </div> <div id="abstractTextBlock587743" class="volume-info volume-info-text volume-info-description"> Abstract: The deposition of copper oxide utilizing a pulsed laser deposition technique employing a reactive pulsed laser as a deposition technique is the subject of this study (RPLD), 1064 nm, 10 Nanosecond Q-switch Nd-YAG laser with 350 °C, and 800-1200 mJ energies of laser was used to deposited a high purity target of Cupper and deposited on the quartz substrates synthesized and study the laser energies effect on the optical and photoluminescence properties. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587743', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 109 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/KEM.928.199">DFT Calculations Using Quantum ESPRESSO for Optical and Electronic Properties of Si Crystal</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Muhammad Hassan Bashir, Muhammad Sohail, Syed Mujtaba Ul Hassan, Tayyaba Nawaz </div> </div> <div id="abstractTextBlock586214" class="volume-info volume-info-text volume-info-description"> Abstract: The DFT calculations were performed to study the structural, electronic and optical properties of Si. The open source computer code, Quantum ESPRESSO used is for first-principles electronic structure modeling based on density functional theory. The optimized crystal lattice constant, band gap, density of states (DOS) and band structure were calculated. The calculated value of lattice constant was in good agreement with reported value. The band gap was calculated using three different pseudo potentials. The HSE hybrid functional provided best agreement of band gap calculations with literature values. The pseudo-dielectric functions was also calculated to estimate the optical properties including refractive indices, extinction coefficients, reflectivities and absorption coefficients in the spectral energy ranges from 0 eV to 10 eV. </div> <div> <a data-readmore="{ block: '#abstractTextBlock586214', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 199 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.908.51">Optical Graphene for Biosensor Application: A Review</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Maya Pai, Sheetal Batakurki, Vinayak Adimule, Basappa C. Yallur </div> </div> <div id="abstractTextBlock587801" class="volume-info volume-info-text volume-info-description"> Abstract: One of the most often credited materials for opening up new possibilities in the creation of next-generation biosensors is graphene oxide (GO). GO has good water dispersibility, biocompatibility, and high affinity for specific biomolecules due to the coexistence of hydrophobic domains from pristine graphite structure and hydrophilic oxygen containing functional groups, as well as properties of graphene itself that are partly dependent on preparation methods. The high signal output and a strong potential for rapid industrial growth rate, graphene-based materials, such as graphene oxide (GO), are receiving substantial interest in bio sensing applications. Some of graphene's most enticing qualities are its superior conductivity and mechanical capabilities (such as toughness and elasticity), as well as its high reactivity to chemical compounds. The existence of waves on the surface (natural or created) is another property/variable that has immense potential if properly utilized. Single cell detection can be performed by optical biosensors based on graphene. The present state of knowledge about the use of graphene for bio sensing is reviewed in this article. We briefly cover the use of graphene for bio sensing applications in general, with a focus on wearable graphene-based biosensors. The intrinsic graphene ripples and their impact on graphene bio sensing capabilities are extensively examined. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587801', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 51 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/AMM.908.19">Study on Optical Properties of Cu-MOF Nano Metal Oxide Composites</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Maalathi Challa, M.R. Ambika, S.R. Usharani, Basappa C. Yallur, Vinayak Adimule </div> </div> <div id="abstractTextBlock587286" class="volume-info volume-info-text volume-info-description"> Abstract: A copper metal organic frame work (MOF) is synthesized by taking equimolar terephthalic acid and copper nitrate and its MOF /nanocomposite are fabricated with silver oxide and reduced graphene oxide nanocompounds. It is characterized by XRD, UV-Vis spectroscopy and FTIR. The band gap of the MOF/ nanocomposites is reduced when compare to individuals. This reduction of band gap is due to a slight change in their individual band gaps or lattice distortion hybridization leads to shifting of the energy level. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587286', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 19 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/SSP.335.3">Study of the Structural, Electronic and Optical Properties of 1T-ZrX<sub>2</sub> Materials (X=S, Se, Te)</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Ibtissam Guesmi, Allal Challioui, Larbi El Farh, Siham Malki, Zakariae Darhi </div> </div> <div id="abstractTextBlock586703" class="volume-info volume-info-text volume-info-description"> Abstract: The Electronic and optical properties of zirconium dichalcogenides (ZrS<sub>2</sub>,ZrSe<sub>2</sub><sub>,</sub> andZrTe<sub>2</sub>),have been explored via ab-initio methods based on the density functionaltheory (DFT) within the frame of generalized gradient approximation (GGA) and a couplingtechnique between the plane wave (PW) and the pseudo-potential (PP) approaches. Theobtained results showed that ZrS<sub>2</sub> and ZrSe<sub>2</sub> are semiconducting materials with energy gapsof 1.15 eV and 0.3 eV respectively from the valence band maximum located at G point andthe conduction band minimum located at L point, while ZrTe<sub>2</sub> showed a metallic characterwith a density of states at the Fermi level of about 0.8 states/eV. Based on a Kramers–Kroniganalysis of the reflectivity, we have obtained the spectral dependence of the real andimaginary parts of the complex dielectric function (ε<sub>1</sub> and ε<sub>2</sub>, respectively) and the refractiveindex (n). The collected data were used for the calculation of absorption coefficient,reflectivity index, conductivity, and electron energy loss function of ZrS<sub>2</sub>, ZrSe<sub>2</sub><sub>,</sub> and ZrTe<sub>2</sub> forradiation up to 20 eV. All three chalcogenides were found to be good absorbers of ultravioletradiation. The reflectivity of ZrS<sub>2</sub> is low in the visible and near-ultraviolet region butincreases sharply for higher photon energies and approaches 96% at ~18.5 eV. The R(ω) spectrum of ZrTe<sub>2</sub>, on the other hand, is non-selective and remains above 50% over a widerange of energies from infrared to ultraviolet which suggeststhe potential application of thismaterial as an effective solar reflector. On the other hand, the refractive indices of ZrS<sub>2</sub>, ZrSe<sub>2</sub><sub>,</sub>and ZrTe<sub>2 </sub>in the visible range are high. The optical spectra show moderate anisotropy concerning the electric field polarization of the incident light. </div> <div> <a data-readmore="{ block: '#abstractTextBlock586703', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 3 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/JMNM.34.45">Characterisation of Functionalised Multi-Wall Carbon Nanotube Nanocomposites with Poly(3,4-Ethylene Dioxythiophene): Polystyrene Sulfonate</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Manal Rajab, Kareema Ziadan </div> </div> <div id="abstractTextBlock585285" class="volume-info volume-info-text volume-info-description"> Abstract: The influence of functionalised multi-wall carbon nanotubes (f-MWCNTs) on the conductivity of conducting polymer poly (3,4-ethylene dioxythiophene)-poly (styrene sulfonate) (PEDOT:PSS) was explored by using various concentrations of MWCNTs to create a nanocomposite (MWCNT/PEDOT:PSS) matrix. Field emission scanning electron microscopy (FE-SEM), X-ray diffraction and Fourier transform infrared spectroscopy were employed to examine the structural and morphological features of the produced nanocomposite thin films. The electrical conductivity of f-MWCNT and (PEDOT:PSS/MWCNT) nanocomposites was determined using a two-point probe (lab view 2018). Results showed that the conductivity was enhanced from 6.7 s/cm for PEDOT:PSS (0.01 wt.%) f-MWCNT to 36.6 s/cm for PEDOT:PSS (5 wt.%) f-MWCNT and then decreased to 11.72 and 3.14 s/cm for 7 and 10 wt.%, respectively. </div> <div> <a data-readmore="{ block: '#abstractTextBlock585285', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 45 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/KEM.926.843">Imprinting of Micro-/Nano-Textures onto Metals and Alloys with Use of the Laser-Printed DLC-Die</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> <i class="inline-icon lock-open-red inline-icon-small" title="Open Access"></i> Authors: Tatsuhiko Aizawa, Tadahiko Inohara </div> </div> <div id="abstractTextBlock585913" class="volume-info volume-info-text volume-info-description"> Abstract: This paper focused a two-step procedure to imprint the tailored emblems, patterns, symbols and codes onto the metallic and polymer product surfaces. The laser printing was first used to form these tailored micro-/nano-textures onto a Diamond-Like Carbon (DLC) coating die. The DLC film with the thickness of 20 mm and the hardness of 22 GPa was utilized as a mother die. Femtosecond laser printing was used to shape the tailored micro-/nano-textures on this die. Seven emblems such as a star-patterned texture with the maximum depth of 4 mm were just cut into the DLC-die to have color-grating by micro-texturing and surface plasmonic brilliance by nanotexturing. In second, Computer Numerical Control (CNC) – stamping was used to imprint these textures onto the aluminum alloy plate with the thickness of 1 mm. Scanning Electron Microscopy (SEM) and three dimensional profilometer were used to investigate the geometric accuracy in this two-step printing procedure. The constituent micro-/nano-textures of each emblem was accurately imprinted onto the aluminum work. The optical properties were also duplicated together with this geometric imprinting. </div> <div> <a data-readmore="{ block: '#abstractTextBlock585913', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 843 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/MSF.1065.101">Study the Optical and Morphological Properties of Prepared PANI/TiO<sub>2</sub> Nanocomposites</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Rawnaq A. Talib, Dalal K. Thbayh, Kahtan A. Mohammed </div> </div> <div id="abstractTextBlock587675" class="volume-info volume-info-text volume-info-description"> Abstract: Inorganic-organic hybrid materials are of the materials of interest to researchers for the purpose of developing them in this work. A hybrid material consisting of conductive polymer polyaniline (PANI) doped with dodecyl benzene sulfonic acid (DBSA) C<sub>18</sub>H<sub>30</sub>O<sub>3</sub>S with titanium oxide nanoparticles (TiO2 NPs ) was prepared by the direct chemical polymerization method, and then the optical and surface properties of the prepared materials were studied by UV-VIS spectroscopy, Scanning electron microscopy SEM , and Energy Dispersive X-Ray EDX. The EDX results confirm the presence of TiO2 in the composite material .The results clearly demonstrate that the composite films have good optical properties. As the content of TiO2 was increased in the polymer matrix, the shift of the optical absorption was observed. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587675', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 101 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/MSF.1065.13">Effect of Static Magnetic Field on <i>Anchusa-Italica</i>-Doped Pentacene</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Tahseen A. Alaridhee, Fatima H. Malk, Abdullah A. Hussein </div> </div> <div id="abstractTextBlock587455" class="volume-info volume-info-text volume-info-description"> Abstract: This work is devoted to the influence of magnetized water on dye extracted from Anchusa Italica plant and doped pentacene thin films. The findings resulted in optoelectronic behavior, showing that using magnetized water in the extraction process gives rise to distinct and superior characteristics as compared to using regular water. The Fourier-transform infrared method was used to analyze the structural properties of an Anchusa Italica-doped pentacene thin film. A comparative study on two samples was carried out: the first sample was affected by a static magnetic field and the other one was not. Optical properties including the absorption spectra absorption coefficient, optical energy gap, conventional and refractive factors were investigated by applying ultraviolet-visible spectroscopy ranging from 300 to 900 nm. The estimated band gap edge of the dye/doped pentacene affected with magnetization was reduced from 2.61 to 1.76 eV and converted into the recommended direct band gap to contribute to optical systems. The absorption spectra of the sample with magnetization effect appears to be more efficient than the one extracted using regular water. The power transmission coefficients (indirect to direct) were also affected because of the magnetic extraction procedure. The complex refractive index was used to study the magnetization effect on the resonance mode and transparent indicator. The absorption index was enhanced to 570 nm in the spectrum, whereas there was also a low attenuation coefficient. This is the first time that magnetized sol has been used in dye extraction processes. </div> <div> <a data-readmore="{ block: '#abstractTextBlock587455', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 13 </div> </div> <div class="item-block"> <div class="item-link"> <a href="/MSF.1065.119">Properties and White Light Photoresponses of CdSe Colloidal Nanoparticles</a> </div> <div class="item-link volume-authors"> <div class="semibold-middle-text"> Authors: Kahtan A. Mohammed, Manal M. M. Hadi, Eman Hamid Hussein, Alaa S. Al-Kabbi, Kareema M. Ziadan </div> </div> <div id="abstractTextBlock584821" class="volume-info volume-info-text volume-info-description"> Abstract: II–VI nanocrystalline semiconductor materails provide a wide range of applications in electronics, optoelectronics and photonics. The present paper reports the preparation of colloidal Cadmium selenide (CdSe) nanoparticles and study their optical properties. (CdSe) was produced by a chemical route procedure, with the ligand tri sodium citrate (TSC) serving as a complexing agent. Cadmium acetate is used as a Cd source, and sodium selenide is used as a Se precursor. The morphological and optical properties of the produced nanoparticles were determined using a Transmission electron microscopy (TEM) and Ultraviolet – Visible spectroscopy (UV-VIS).Thin films of CdSe capped with are deposited on the glass and aluminum substrates . AL/ CdSe/Ag MSM photodetectors have been fabricated and the electrical properties were measured in dark and light. The output data display that the photo currents of all diodes are increased with light. The fact that the films had dark electrical conductivity and photoconductivity indicates that they were semiconducting materials. </div> <div> <a data-readmore="{ block: '#abstractTextBlock584821', lines: 2, expandText: '...more', collapseText: '...less' }"></a> </div> <div class="page-number semibold-large-text"> 119 </div> </div> <div class="block-bottom-pagination"> <div class="pager-info"> Showing 31 to 40 of 199 Paper Titles </div> <div class="pagination-container"><ul class="pagination"><li class="PagedList-skipToFirst"><a href="/paper-keyword/optical-properties/1"><<</a></li><li class="PagedList-skipToPrevious"><a href="/paper-keyword/optical-properties/3" rel="prev"><</a></li><li class="PagedList-ellipses"><a class="PagedList-skipToPrevious" href="/paper-keyword/optical-properties/1" rel="prev">…</a></li><li><a href="/paper-keyword/optical-properties/2">2</a></li><li><a href="/paper-keyword/optical-properties/3">3</a></li><li class="active"><span>4</span></li><li><a href="/paper-keyword/optical-properties/5">5</a></li><li><a href="/paper-keyword/optical-properties/6">6</a></li><li class="PagedList-ellipses"><a class="PagedList-skipToNext" href="/paper-keyword/optical-properties/7" rel="next">…</a></li><li class="PagedList-skipToNext"><a href="/paper-keyword/optical-properties/5" rel="next">></a></li><li class="PagedList-skipToLast"><a href="/paper-keyword/optical-properties/20">>></a></li></ul></div> </div> </div> </div> </div> </div> </div> <div class="social-icon-popup"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-popup-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-popup-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-popup-icon social-icon"></i></a> </div> </div> <div class="sc-footer"> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="footer-menu col-md-12 col-sm-12 col-xs-12"> <ul class="list-inline menu-font"> <li><a href="/ForLibraries">For Libraries</a></li> <li><a href="/ForPublication/Paper">For Publication</a></li> <li><a href="/insights" target="_blank">Insights</a></li> <li><a href="/DocuCenter">Downloads</a></li> <li><a href="/Home/AboutUs">About Us</a></li> <li><a href="/PolicyAndEthics/PublishingPolicies">Policy & Ethics</a></li> <li><a href="/Home/Contacts">Contact Us</a></li> <li><a href="/Home/Imprint">Imprint</a></li> <li><a href="/Home/PrivacyPolicy">Privacy Policy</a></li> <li><a href="/Home/Sitemap">Sitemap</a></li> <li><a href="/Conferences">All Conferences</a></li> <li><a href="/special-issues">All Special Issues</a></li> <li><a href="/news/all">All News</a></li> <li><a href="/open-access-partners">Open Access Partners</a></li> </ul> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12"> <a href="https://www.facebook.com/Scientific.Net.Ltd/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon facebook-footer-icon social-icon"></i></a> <a href="https://twitter.com/Scientific_Net/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon twitter-footer-icon social-icon"></i></a> <a href="https://www.linkedin.com/company/scientificnet/" target="_blank" rel="noopener" title="Scientific.Net"><i class="inline-icon linkedin-footer-icon social-icon"></i></a> </div> </div> </div> </div> <div class="line-footer"></div> <div class="footer-fluid"> <div class="container"> <div class="row"> <div class="col-xs-12 footer-copyright"> <p> © 2025 Trans Tech Publications Ltd. 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Optical Properties | p. 4 | Scientific.Net