David Levy
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Researcher ORCID ID = 0000-0002-8462-0156
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David Levycomputer-science Degrees
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Computer Science
David Levy's Degrees
- PhD Computer Science Stanford University
- Masters Computer Science University of California, Berkeley
- Bachelors Computer Science University of California, Berkeley
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(Suggest an Edit or Addition)David Levy's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- The nature of the silica cage as reflected by spectral changes and enhanced photostability of trapped Rhodamine 6G (1984) (798)
- Photochromic organic-inorganic hybrid materials. (2011) (478)
- Blue CoAl2O4 particles prepared by the sol-gel and citrate-gel methods (2000) (215)
- Preventing UV-light damage of light sensitive materials using a highly protective UV-absorbing coating. (2007) (214)
- Formation of γ-Fe2O3 Isolated Nanoparticles in a Silica Matrix (1997) (175)
- Effects of the changes in the properties of silica cage along the gel/xerogel transition on the photochromic behavior of trapped spiropyrans (1988) (167)
- Formation of TiO2 Nanoparticles in Reverse Micelles and Their Deposition as Thin Films on Glass Substrates (1997) (148)
- Applications of the sol-gel process for the preparation of photochromic information-recording materials: synthesis, properties, mechanisms (1989) (147)
- Fluorescence of europium(III) trapped in silica gel-glass as a probe for cation binding and for changes in cage symmetry during gel dehydration (1984) (134)
- Sol-Gel Synthesis of Nanoscaled Spinels Using Propylene Oxide as a Gelation Agent (2005) (128)
- A Novel and Simple Alcohol-Free Sol−Gel Route for Encapsulation of Labile Proteins (2002) (123)
- Small‐angle x‐ray scattering from the surfaces of reversed‐phase silicas: Power‐law scattering exponents of magnitudes greater than four (1991) (116)
- Rhodamine Fluorescent Dimers Adsorbed on the Porous Surface of Silica Gels (2000) (114)
- Highly efficient UV-absorbing thin-film coatings for protection of organic materials against photodegradation (2006) (104)
- Sol-gel processing of optical and electrooptical materials (1995) (100)
- Preparation of Narrow Size Distribution Superparamagnetic γ-Fe2O3 Nanoparticles in a Sol−Gel Transparent SiO2 Matrix (2002) (98)
- Photochromic Sol−Gel Materials (1997) (96)
- Formation of Fluorescent Rhodamine B J-Dimers in Sol−Gel Glasses Induced by the Adsorption Geometry on the Silica Surface (1998) (93)
- A photophysical study of the sol/gel transition in silica: Structural dynamics and oscillations, room-temperature phosphorescence and photochromic gel glasses (1986) (79)
- Highly Efficient Inorganic Transparent UV‐Protective Thin‐Film Coating by Low Temperature Sol‐Gel Procedure for Application on Heat‐Sensitive Substrates (2008) (78)
- High-sensitivity sensor of low relative humidity based on overlay on side-polished fibers (2004) (60)
- Room temperature phosphorescence and delayed fluorescence of organic molecules trapped in silica sol—gel glasses (1991) (56)
- Photopolymerization of hydroxyethylmethacrylate in the formation of organic–inorganic hybrid sol–gel matrices (1996) (52)
- Nanoparticle Synthesis of Willemite Doped with Cobalt Ions (Co0.05Zn1.95SiO4) by an Epoxide-Assisted Sol−Gel Method (2005) (52)
- A sol–gel route using propylene oxide as a gelation agent to synthesize spherical NiAl2O4 nanoparticles (2005) (47)
- Faraday rotation in magnetic γ-Fe2O3/SiO2 nanocomposites (1997) (47)
- Ultrafast random laser emission in a dye-doped silica gel powder. (2008) (44)
- Preparation of electro-optical active liquid crystal microdomains by the sol-gel process (1991) (44)
- Photochromic naphthopyrans in sol–gel ormosil coatings (2003) (42)
- High-sensitivity temperature sensor based on overlay on side-polished fibers (2000) (40)
- Identification of Oblique and Coplanar Inclined Fluorescent J-Dimers in Rhodamine 110 Doped Sol-Gel-Glasses (1999) (36)
- Shrinkage control in a photopolymerizable hybrid solgel material for holographic recording. (2004) (35)
- Effect of the chemical environment on the light-induced degradation of a photochromic dye in ormosil thin films (2008) (35)
- Glass dispersed liquid crystals (1991) (34)
- Eu-doped α-Fe2O3 nanoparticles with modified magnetic properties (2013) (33)
- Rhodamine 19 Fluorescent Dimers Resulting from Dye Aggregation on the Porous Surface of Sol−Gel Silica Glasses (2003) (32)
- The role of organic groups in ormosil matrices in the photochromism of naphthopyrans in sol–gel thin films (2003) (32)
- Preferred Formation of Coplanar Inclined Fluorescent J-Dimers in Rhodamine 101 Doped Silica Gels (2001) (32)
- Reaching bistability in a photochromic spirooxazine embedded sol–gel hybrid coatings (2009) (32)
- Near-Infrared Dyes Encapsulated in Sol-Gel Matrixes (1995) (31)
- Effect of HCl on the PPO assisted sol-gel synthesis of olivine-type Co2SiO4 ultrafine particles (2006) (29)
- Thin film photochromic materials: Effect of the sol-gel ormosil matrix on the photochromic properties of naphthopyrans (2010) (29)
- Photochromic doped sol-gel materials for fiber-optic devices (1997) (29)
- Organo-Silica Sol–Gel Materials (2009) (28)
- Recent applications of photochromic sol-gel materials (1997) (28)
- Controlled homogeneity of the precursor gel in the synthesis of SrTiO3 nanoparticles by an epoxide assisted sol–gel route (2007) (27)
- Glass dispersed liquid crystals for electro-optical devices (1992) (26)
- Surface organic modifications and the performance of sol-gel derived gel-glass dispersed liquid crystals (GDLCs) (2003) (25)
- The influence of sol–gel processing parameters on the photochromic spectral and dynamic behaviour of a naphthopyran dye in an ormosil coating (2005) (24)
- Adsorption of water on porous Vycor glass studied by ellipsometry. (2001) (23)
- Photochromic Organic—Inorganic Hybrid Materials (2011) (23)
- Probing the chemical environment at the porous cage of ormosils through the fluorescence of oxazine 1 (2001) (22)
- Denaturation and Leaching Study of Horseradish Peroxidase Encapsulated in Sol-Gel Matrices (2003) (22)
- Organically Doped Sol-Gel Porous Glasses: Chemical Sensors, Enzymatic Sensors, Electrooptical Materials, Luminescent Materials and Photochromic Materials (1994) (21)
- A highly photoconductive poly(vinylcarbazole)/2,4,7-trinitro-9-fluorenone Sol-Gel material that follows a classical charge-generation model. (2006) (20)
- Optically tunable fiber optic delay generator utilizing photochromic doped sol‐gel gel‐glass delay line (1995) (20)
- Molecular configuration transitions of a nematic liquid crystal encapsulated in organically modified silicas. (2009) (20)
- A chemical strategy to control the shape of oxide nanoparticles (2009) (20)
- Sol-gel glasses for optics and electro-optics (1992) (19)
- 1Low threshold random lasing in dye-doped silica nano powders. (2009) (19)
- High operational stability in peroxidase-catalyzed non-aqueous sulfoxidations by encapsulation within sol–gel glasses (2004) (18)
- High-sensitivity sensor of low relative humidity based on overlay on side-polished fibers (2002) (18)
- Photostability of a photochromic naphthopyran dye in different sol-gel prepared ormosil coatings (2006) (17)
- Water adsorption in porous TiO2–SiO2 sol–gel films analyzed by spectroscopic ellipsometry (2004) (17)
- Temperature dependence of the photochromism of naphthopyrans in functionalized sol–gel thin films (2006) (17)
- Epoxide assisted sol–gel synthesis of perovskite-type LaMxFe1−xO3 (M = Ni, Co) nanoparticles (2006) (17)
- Ellipsometric analysis of gamma radiation effects on standard optical coatings used in aerospace applications (2004) (17)
- Light scattering spectral behavior of liquid crystal dispersions in silica glasses (1995) (16)
- Photostability and retention of UV absorber molecules in sol–gel hybrid UV-protective coatings (2010) (15)
- Surface Area Study of High Area Cobalt Aluminate Particles Prepared by the Sol-Gel Method (2002) (15)
- Morphology of ion tracks and nanopores in LiNbO3 produced by swift-ion-beam irradiation (2006) (15)
- Analysis of nanostructured porous films by measurement of adsorption isotherms with optical fiber and ellipsometry. (2002) (15)
- Novel Reversible Humidity‐Responsive Light Transmission Hybrid Thin‐Film Material Based on a Dispersive Porous Structure with Embedded Hygroscopic and Deliquescent Substances (2018) (15)
- A general epoxide-assisted sol–gel route for the synthesis of metal oxide–silica composites and silicates ultrafine particles (2009) (15)
- Preparation and optical properties of spherical metal oxide particles containing fluorescent dyes (1992) (15)
- Dynamic behavior of sol-gel gel-glass based thermochromic material applied toward development of practical optical temperature sensors (1998) (15)
- An Electro‐optical Device from a Biofilm Structure Created by Bacterial Activity (2010) (14)
- Stability against photodegradation of a photochromic spirooxazine dye embedded in amino-functionalized sol–gel hybrid coatings (2012) (14)
- Photophysics of Rhodamine 6G-Doped TiO2 Particles during Drying Using Steady-State Spectroscopy and Variable-Frequency Phase and Modulation Data (1994) (14)
- Protection of enzymes from photodegradation by entrapment within alumina. (2016) (14)
- Processing and luminescence of Eu/Dy-doped Sr2MgSi2O7 glass-ceramics (2021) (13)
- Optical and Electro‐optical Materials Prepared by the Sol‐Gel Method (2011) (13)
- Immobilization of Quaternary Ammonium Anion Exchangers in Sol-Gel Glasses (1992) (12)
- The performance of hybrid organic–active-inorganic GDLC electrooptical devices (2005) (12)
- Ellipsometric analysis of the spectral properties and dynamic transitions of photochromic thin films (2007) (11)
- Microviscosities at the Porous Cage of Silica Gel−Glasses and Ormosils through Fluorescence Anisotropy (2001) (10)
- Surface effects in magnetic nanoparticles measured by means of a magneto-optical method (2005) (10)
- ET(33) dye as a tool for polarity determinations: Application to porous hybrid silica thin-films (2010) (10)
- A Sol–Gel based magneto-optical device for the NANOSAT space mission (2009) (9)
- Electrooptical properties of gel-glass dispersed liquid crystals (1994) (9)
- Spectroscopy and optical properties of HITC-doped silica sol–gel glasses (1999) (8)
- Development and characterization of porous silicon based photodiodes (2000) (8)
- Gel-glass-dispersed liquid-crystal optical shutters (1992) (8)
- Organic doped sol - gel glasses for electro-optics and display applications (1996) (8)
- Sol–Gel Optical and Electro‐Optical Materials (2015) (8)
- Temperature dependence of the optical and kinetic properties of photochromic spirooxazine derivatives in sol-gel thin films (2008) (8)
- Dye-matrix interactions in sol-gel-derived hybrid organic-inorganic nanocomposites (1997) (7)
- Sol‐Gel Processing of Optical and Electrooptical Materials (1995) (6)
- Two-photon pumped random lasing in a dye-doped silica gel powder (2010) (6)
- A Novel Photoconductive PVK/SiO2 Interpenetrated Network Prepared by the Sol−Gel Process (2003) (6)
- Sol-gel materials for electro-optical and optically active humidity-sensitive devices (2018) (5)
- Exfoliation-free Nanosheet Synthesis of Transition-metal Hydroxynitrate and Its Transformation to Oxide Particulate Nanosheet (2007) (5)
- Sol-gel approach for the preparation of holographic and photorefractive materials (2002) (5)
- Effect of molecular packing on modulation of electronic properties of organic donor–acceptor hybrid gels (2019) (5)
- Proton Affinity at the Porous Surface of SiO2-TiO2 Binary Oxides (2003) (5)
- Thermo-optic properties of hybrid sol–gel thin films doped with Rhodamine 6G at high vacuum conditions (2015) (4)
- Epoxide assisted sol-gel synthesis of rutile NixTi1-3xSb2xO2 solid solution nanoparticles (2007) (4)
- Photopolymerizable hybrid sol-gel material for holographic recording (2003) (4)
- Electrooptical Devices from Organically Doped Sol-Gel Materials (2000) (4)
- Lasing threshold of one- and two-photon-pumped dye-doped silica powder (2014) (4)
- Optical memory effects in sol-gel gel-glass based thermochromic material (1997) (4)
- Smart Windows Based on Liquid Crystal Dispersions (2018) (3)
- A chemical approach to control the refractive index of sol–gel matrices for liquid-crystal dispersion devices (2016) (3)
- Formation and Stability of Ordered and Disordered Ba-substituted Calcite Phases. (2019) (3)
- Optical properties of HITC and oxazine-1-doped sol-gel gel glasses (1994) (3)
- Real-time spectroscopy of novel solid state random lasers (2009) (3)
- Bragg gratings in ORMOCERs (1997) (3)
- A model for the study of the optical transmission dynamics of liquid crystals dispersions under the influence of an electric field (2010) (3)
- Photochromic organic – inorganic hybrid materials w (2011) (3)
- Sol-Gel Materials for Optics and Electrooptics (2017) (2)
- Gel-glass photochromic optical delay generator (1995) (2)
- Optical and electro-optical devices from organically doped sol-gel materials (1997) (2)
- One- and two-photon laser spectroscopy of silica gel-doped fluorescent nanoparticles (2009) (1)
- Gel-glass dispersed liquid crystal projection display (1994) (1)
- How Can Sol-Gel Contribute to Optical Devices? (2008) (1)
- Thermal behavior of rhodamine 6G-TiO2 microspherical particles (1994) (1)
- Electro-optical devices from organically doped sol-gel materials (1999) (1)
- Photochromic Doped Sol-Gel Materials for Fiber-Optic Devices (1997) (0)
- Sol-gel Materials for Optical Applications (2018) (0)
- Sol–Gel materials for optical and electrooptical applications (2020) (0)
- Synthesis and processing (2015) (0)
- Recognition of Different Environments at the Porous Cage of CTAB Based Ormosils (2003) (0)
- Color Displays with Gel-Glass Dispersed Liquid Crystals (1997) (0)
- Application of sol-gel materials (2015) (0)
- Preventing UV‐Light Damage of Light‐Sensitive Materials Using a Highly Protective UV‐Absorbing Coating (2007) (0)
- Optical Materials from Organically Doped Sol–Gel Materials (2001) (0)
- Isolation and Trapping of Organic Photoactive Molecules in Silica Glass Matrices at Room Temperature (1988) (0)
- Highly photoconductive PVK/TNF sol-gel materials (2003) (0)
- Electro-Optical Properties of Gel–Glass Dispersed Liquid Crystals Devices by Chemical Modification of the LC/Matrix Interface (2009) (0)
- Electro-optical devices from organically doped sol-gel materials (2000) (0)
- Characterization and properties of sol-gel materials (2015) (0)
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