Relevant bibliographies by topics / Visible Photoluminescence

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Visible Photoluminescence'

Author: Grafiati
Published: 7 September 2023

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Journal articles on the topic "Visible Photoluminescence"

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Nešpůrek, Stanislav, František Schauer, and Andrey Kadashchuk. "Visible Photoluminescence in Polysilanes." Monatshefte fuer Chemie/Chemical Monthly 132, no. 1 (January 30, 2001): 159–68. http://dx.doi.org/10.1007/s007060170155.

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Nishitani, H., H. Nakata, T. Ohyama, and Yasufumi Fujiwara. "Visible Photoluminescence of Porous Silicon." Materials Science Forum 117-118 (January 1993): 513–18. http://dx.doi.org/10.4028/www.scientific.net/msf.117-118.513.

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Gasanly, N. M., and K. Goksen. "Visible photoluminescence from chain Tl4In3GaSe8semiconductor." Journal of Physics: Condensed Matter 18, no. 26 (June 19, 2006): 6057–64. http://dx.doi.org/10.1088/0953-8984/18/26/023.

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Schmuki, P., D. J. Lockwood, H. J. Labbé, and J. W. Fraser. "Visible photoluminescence from porous GaAs." Applied Physics Letters 69, no. 11 (September 9, 1996): 1620–22. http://dx.doi.org/10.1063/1.117050.

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Murayama, Kazuro, Seiichi Miyazaki, and Masataka Hirose. "Visible Photoluminescence from Porous Silicon." Japanese Journal of Applied Physics 31, Part 2, No. 9B (September 15, 1992): L1358—L1361. http://dx.doi.org/10.1143/jjap.31.l1358.

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Meneses-Franco, Ariel, Marcelo Campos-Vallette, Sergio Vásquez, and Eduardo Soto-Bustamante. "Er-Doped Nanostructured BaTiO3 for NIR to Visible Upconversion." Materials 11, no. 10 (October 12, 2018): 1950. http://dx.doi.org/10.3390/ma11101950.

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Photoluminescent mechanisms in erbium-doped barium titanate nanoparticle systems were studied. Er3+ ions were introduced into the BaTiO3 lattice by the sol-gel method. The resulting Er3+ concentration was between 0% and 5%, with Ba/Ti ratios of 1.008 and 0.993. The stoichiometry of Ba and Ti concentrations in the lattice influenced the doping mechanism and placement of erbium ions in the lattice structure. Our research shows the existence of a strong correlation between Ba/Ti ratios, erbium concentration, phase structure and doping site location on the upconversion photoluminescence mechanisms. Competing upconversion emissions 2H11/2/4S3/2→4I15/2 at 523 and 548 nm respectively and other photoluminescent mechanisms as 4I9/2→4I11/2 around 4000 nm (2500 cm−1) were studied using Raman and emission spectroscopy. The upconversion process is predominant over other photoluminescent decay when the material presents high distortion in the surrounding activator.
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Pizani, P. S., H. C. Basso, F. Lanciotti, T. M. Boschi, F. M. Pontes, E. Longo, and E. R. Leite. "Visible photoluminescence in amorphous ABO3 perovskites." Applied Physics Letters 81, no. 2 (July 8, 2002): 253–55. http://dx.doi.org/10.1063/1.1494464.

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Aksenov, Igor, and Katsuaki Sato. "Visible photoluminescence of Zn‐doped CuAlS2." Applied Physics Letters 61, no. 9 (August 31, 1992): 1063–65. http://dx.doi.org/10.1063/1.107717.

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Kawaguchi, Toshihiko, and Shin Miyazima. "Visible Photoluminescence from Si Microcrystalline Particles*." Japanese Journal of Applied Physics 32, Part 2, No. 2B (February 15, 1993): L215—L217. http://dx.doi.org/10.1143/jjap.32.l215.

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Zanatta, A. R., M. J. V. Bell, and L. A. O. Nunes. "Visible photoluminescence fromEr3+ions ina−SiNalloys." Physical Review B 59, no. 15 (April 15, 1999): 10091–98. http://dx.doi.org/10.1103/physrevb.59.10091.

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Dissertations / Theses on the topic "Visible Photoluminescence"

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Lehto, V. P., N. Shibata, A. N. Nazarov, V. S. Lysenko, S. Muto, J. Salonen, A. V. Vasin, and Yukari Ishikawa. "Color control of white photoluminescence from carbon-incorporated silicon oxide." AIP, 2008. http://hdl.handle.net/2237/20780.

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Werwa, Eric 1970. "The role of quantum confinement effects in the visible photoluminescence from silicon nanoparticles." Thesis, Massachusetts Institute of Technology, 1997. http://hdl.handle.net/1721.1/43547.

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Lefez, Benoît. "Caractérisation d'oxydes de cuivre par photoluminescence." Rouen, 1991. http://www.theses.fr/1991ROUES047.

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La caractérisation d'oxydes de cuivre par photoluminescence a nécessité le développement d'un spectrofluorimètre. La sensibilité de la méthode a été testée sur des échantillons non-stoichiométriques. La corrélation de données obtenues par différentes méthodes optiques (spectroscopie de réflexion dans l'ultraviolet proche infrarouge, photoluminescence) a permis de préciser les domaines énergétiques mis en jeu lors des transferts radiatifs. La structure et la composition d'un film d'oxydation multicouches ont été établies (spectroscopie dans l'infrarouge, microsonde de Castaing). Un oxyde de cuivre(i), de composition Cu302, a été caractérisé. Différentes applications de la photoluminescence ont été proposées telles que l'aide à l'analyse de la corrosion d'un laiton ou la mise en évidence d'une étape de l'absorption dissociative de l'oxygène
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Cates, Ezra Lucas Hoyt. "Development of visible-to-ultraviolet upconversion phosphors for light-activated antimicrobial surfaces." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47619.

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A new form of antimicrobial surface was developed, which relies on an optical mechanism rather than chemical inactivation of microorganisms. Through the photoluminescence process of upconversion, low energy photons can be amplified into higher energy photons, and in this case, phosphors capable of converting visible light into germicidal UVC radiation were synthesized. Host crystals were doped with a praseodymium activator ion and shown to emit UVC photons upon excitation by blue or violet light. Surface coatings were prepared and proof-of-concept experiments demonstrated that, under exposure to a household fluorescent lamp, sufficient UVC radiation was emitted from the surfaces to achieve observable inactivation of surface bacterial spores and inhibition of biofilm growth. Material engineering was conducted to achieve higher optical conversion efficiency, wherein lithium codoping and development of alternative oxyfluoride host crystals were found to significantly improve upconversion emission. Implications of polychromatic excitation were investigated by conducting photoluminescence spectroscopy under combined laser beam excitation, while the effects of other application parameters are also discussed. These findings show that upconversion-based antimicrobial materials have strong potential for offering sustainable and effective technology for the prevention of diseases.
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Chernikov, Alexey [Verfasser], and Martin [Akademischer Betreuer] Koch. "Time-resolved photoluminescence spectroscopy of semiconductors for optical applications beyond the visible spectral range / Alexey A. Chernikov. Betreuer: Martin Koch." Marburg : Philipps-Universität Marburg, 2012. http://d-nb.info/1021498890/34.

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Michalsky, Tom, Marcel Wille, Christof P. Dietrich, Robert Röder, Carsten Ronning, Rüdiger Schmidt-Grund, and Marius Grundmann. "Phonon-assisted lasing in ZnO microwires at room temperature." American Institute of Physics, 2014. https://ul.qucosa.de/id/qucosa%3A31211.

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We report on room temperature phonon-assisted whispering gallery mode (WGM) lasing in ZnO microwires. For WGM laser action on the basis of the low gain phonon scattering process high quality resonators with sharp corners and smooth facets are prerequisite. Above the excitation threshold power PTh of typically 100 kW/cm2, the recombination of free excitons under emission of two longitudinal optical phonons provides sufficient gain to overcome all losses in the microresonator and to result in laser oscillation. This threshold behavior is accompanied by a distinct change of the far and near field emission patterns, revealing the WGM related nature of the lasing modes. The spectral evolution as well as the characteristic behavior of the integrated photoluminescence intensity versus the excitation power unambiguously proves laser operation. Polarization-resolved measurements show that the laser emission is linear polarized perpendicular to the microwire axis (TE).
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Burbaev, T. M., D. S. Kozirev, D. N. Lobanov, A. V. Novikov, N. N. Sibeldin, and M. L. Skorikov. "Four-Particle Recombination Luminescence of Electron-Hole Liquid and Biexcitons in SiGe Quasi-Ttwo-Dimensional Layers of Silicon Heterostructures in the Visible Spectrum." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34876.

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In this study, we investigate the energy spectrum and collective effects in the system of excitons in strained SiGe layers in a series of Si/Si1-xGex/Si heterostructures with 0.05 x 0.25 and the layer thickness d 2 5 nm. We use the low-temperature photoluminescence spectroscopy both in the near-infrared and the visible spectral regions. In the latter case, the luminescence originates from simultaneous recombination of two electrons with two holes. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34876
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Tyombo, Nolukholo. "Synthesis and Luminescence of Zinc Oxide Nanorods-Blended Thiopheno-Organosilicon Polymers." University of the Western Cape, 2017. http://hdl.handle.net/11394/6230.

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Magister Scientiae - MSc (Chemistry)
The increasing cost of fossil fuel energy production and its implication in environmental pollution and climate change created high demand for alternative and renewable sources of energy. This has led to great interest in research in the field of photovoltaic or solar cells Due to the abundance of sunlight, the technology is sustainable, non-polluting and can be implemented at places where power demand is needed, for example in rural areas. Solar cell devices that have been commercialized are currently based on silicon technology, involving the use of monocrystalline, polycrystalline and amorphous silicon. Although they produce highly efficient solar cells, the cost of Si solar cells is too high. Second generation solar cell materials such as cadmium telluride and third generation materials such as perovskites and organic polymers have been receiving much attention recently. However, they lack the efficiency of Si solar cells. This research proposes the development of high energy conservation photovoltaic cells from novel low-cost organosilicon polymers. The aim was to develop novel highly branched organosilane polymers such as poly(3-hexythiophene), polydi(thien-2-yl)dimethylsilane, poly(3-hexyl- [2,2'] bithiophenyl-5-yl)-dimethyl-thiophen-2yl-silane) as electron donors along with zinc oxide nanorod as the electron acceptor which were able to bring the efficiency of the resultant photovoltaic cell close to that of current Si solar cell.
2021-08-31
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Charvet, Stéphane. "Étude de la croissance et des propriétés d'émission dans le visible de nanograins de silicium dans une matrice de silice amorphe : analyse quantitative par ellipsométrie spectroscopique." Phd thesis, Université de Caen, 1999. http://tel.archives-ouvertes.fr/tel-00004183.

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La croissance par pulvérisation radiofréquence magnétron et l'étude des propriétés de photoluminescence dans le domaine visible de couches minces de silice comportant des nanograins de silicium ont fait l'objet de cette étude. Un traitement thermique à température élevée (>900°C) sous atmosphère non oxydante est nécessaire pour obtenir une photoluminescence visible à température ambiante dont l'apparition est corrélée avec la séparation des phases silicium et silice et la diminution du désordre structural, telle qu'on peut le voir à l'aide de la spectroscopie d'absorption infrarouge. La spectroscopie de diffusion Raman et la microscopie électronique en transmission mettent en évidence l'apparition de nanocristaux de diamètre de l'ordre de 5 nm, uniquement dans les échantillons les plus riches en silicium. L'étude des conditions de dépôt montre une dépendance de l'excès de silicium introduit dans la matrice selon ces paramètres : une température de substrat de voisine de 400-500°C permet une introduction optimale du silicium dans la silice, introduction qui croît en outre avec le rapport surfacique de pulvérisation Si/SiO2, varié de 10 à 25%. Par ailleurs, l'intensité de la photoluminescence est maximale pour une même température de substrat de voisine de 400-500°C, et son énergie varie de 1,65 à 1,35 eV lorsque l'excès de silicium dans la silice est augmenté, c'est-à-dire lorsque la taille moyenne des inclusions de silicium est accrue. Ces caractéristiques plaident pour le mécanisme de confinement quantique des porteurs à l'intérieur des nanograins comme origine de la photoluminescence, sans pour autant que la cristallisation de ces nanograins soit obtenue. Cependant, la comparaison des propriétés de photoluminescence des couches pulvérisées avec des échantillons obtenus par implantation de silicium dans de la silice thermique ou de silicium poreux montre que l'interface entre nanostructures de silicium et milieu environnant doit être abrupte et posséder une faible densité de liaisons pendantes pour optimiser le rendement quantique d'émission. Une analyse quantitative par ellipsométrie spectroscopique a été réalisée pour la première fois afin de déterminer l'excès de silicium dans la silice, ainsi que la fonction diélectrique des inclusions formées. Cette technique, dont le protocole et la méthode de modélisation des spectres sont présentés dans le détail, s'est révélée relativement précise, et présente l'avantage d'être non destructive, contrairement aux mesures de spectroscopie de photoélectrons X effectuées pour valider les valeurs calculées de l'excès de silicium. On a ainsi pu mettre en évidence la diminution de l'amplitude et le déplacement vers l'ultraviolet de la fonction diélectrique, dont l'origine a été attribuée à la présence d'une interface SiOx entre les inclusions de silicium et la matrice. Grâce à cette méthode, on a également confirmé la diminution de l'énergie de photoluminescence lorsque la quantité de silicium en excès augmente, quelles qu'aient été les conditions de dépôt. En revanche, bien qu'un maximum d'intensité de photoluminescence apparaisse pour un excès de silicium voisin de 15%, les conditions de dépôt semblent affecter le rendement d'émission, par leur influence sur la composition et l'épaisseur de l'interface SiOx riche en liaisons pendantes.
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Godard, Marie. "Les carbones amorphes hydrogénés : observations, synthèse et caractérisation en laboratoire de poussières interstellaires." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00635907.

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Les carbones amorphes hydrogénés (a-C:H ou HAC) constituent une composante importante de la poussière interstellaire. Ces grains hydrocarbonés sont observés au travers de bandes d'absorption IR à 3.4, 6.9 et 7.3 microns, caractéristiques des vibrations des liaisons C-H aliphatiques. Leurs signatures spectrales sont détectées dans le milieu interstellaire diffus de différentes lignes de visée de la Voie Lactée, mais aussi de nombreuses autres galaxies. Cette thèse porte sur l'étude de ces a-C:H interstellaires, à la fois au travers d'observations de ces poussières, et grâce à la synthèse et la caractérisation d'analogues de laboratoire.Une première partie de mon travail de thèse est consacrée à l'observation de la bande à 3.4 microns des a-C:H du milieu interstellaire diffus galactique en direction de la source IRAS 18511+0146. La bande d'absorption des modes d'élongation C-H détectée dans cette direction, vers différentes lignes de visée proches les unes des autres, présente des profondeurs optiques similaires et les plus fortes observées dans la Voie Lactée en dehors du centre galactique. Différentes interprétations de la profonde bande dans cette direction sont discutées.Des analogues de ces poussières carbonées aliphatiques ont été synthétisés en laboratoire, sous forme de films, grâce à un plasma, et reproduisent bien les bandes IR observées dans le milieu interstellaire diffus. Ces échantillons ont été caractérisés par spectroscopie d'absorption dans l'UV-visible et l'IR.Puisque les a-C:H émettent un rayonnement visible après absorption de photons UV ou visibles, une partie de la thèse est consacrée à une étude systématique de cette photoluminescence. Pour la première fois, les rendements absolus et intrinsèques de photoluminescence d'a-C:H sont déterminés pour une large gamme de longueurs d'onde d'excitation. Les propriétés de la photoluminescence des a-C:H sont confrontées aux observations de l'Emission Rouge Etendue, une large bande d'émission interstellaire dont les porteurs ne sont pas identifiés.Afin de déduire l'influence des rayons cosmiques sur ces poussières carbonées, les analogues produits ont été irradiés par différents ions énergétiques dont le dépôt d'énergie est similaire à celui du rayonnement cosmique interstellaire. Les effets induits ont été suivies par IR. L'analyse de la déshydrogénation des a-C:H observée au travers de la disparition progressive des bandes des C-H aliphatiques permet de déduire l'évolution de ces poussières interstellaires et de leurs signatures spectrales sous l'effet des rayons cosmiques. La destruction induite par les rayons cosmiques est comparée aux effets de l'exposition aux photons UV et aux atomes d'hydrogène afin d'interpréter l'évolution de la bande d'absorption à 3.4 microns observée dans le milieu interstellaire diffus, mais pas dans les nuages denses.
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Book chapters on the topic "Visible Photoluminescence"

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Nešpůrek, Stanislav, František Schauer, and Andrey Kadashchuk. "Visible Photoluminescence in Polysilanes." In Molecular Materials and Functional Polymers, 159–68. Vienna: Springer Vienna, 2001. http://dx.doi.org/10.1007/978-3-7091-6276-7_16.

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Rekha, S., and E. I. Anila. "Photoluminescence Investigations of UV, Near UV, and Visible Light Excited CaS:Eu Nanophosphors." In Nanostructured Smart Materials, 13–28. First edition.: Apple Academic Press, 2021. http://dx.doi.org/10.1201/9781003130468-2.

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Nakajima, Atsushi, Minoru Fujii, Shinji Hayashi, and Koji Kaya. "Visible and Infrared Photoluminescence from Deposited Germanium-Oxide Clusters and from Ge Nanocrystals." In Frontiers of Nano-Optoelectronic Systems, 303–17. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-010-0890-7_20.

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Yokoyama, H., M. Fujii, M. Sugimoto, H. Iwata, K. Onabe, and T. Suzuki. "Time-Resolved Photoluminescence Spectroscopy of GaAs Quantum Wells with 1W Picosecond Light Pulses Generated from a Visible Diode Laser." In Ultrafast Phenomena VI, 324–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83644-2_91.

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Krishnamoorthy, Sivakumar, and Dharani M. "Photocatalytic Activity of ZnO Nanoparticles on the Degradation of Organic Dyes Under Solar Light." In Research Anthology on Synthesis, Characterization, and Applications of Nanomaterials, 514–36. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-8591-7.ch023.

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Zinc oxide (ZnO) nanoparticles prepared using simple co-precipitation method are characterized and photocatalytic activity is tested on the degradation of methylene blue and rhodamine B organic pollutants. Morphological and structural properties of synthesized nanomaterial have been characterized using FESEM, EDAX spectroscopy, and XRD, while UV-visible DRS spectroscopy and photoluminescence have been used to understand their optical properties. The photocatalytic behaviour of synthesized nanoparticles was evaluated on the degradation of methylene blue (MB) and rhodamine B (RhB) organic pollutants under solar light irradiation. The highest degradation was achieved for MB (100%) over RhB (96%). Preliminary investigation shows the effective degradation of organic pollutants by ZnO nanoparticles.
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Krishnamoorthy, Sivakumar, and Dharani M. "Photocatalytic Activity of ZnO Nanoparticles on the Degradation of Organic Dyes Under Solar Light." In Handbook of Research on Emerging Developments and Environmental Impacts of Ecological Chemistry, 409–31. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-1241-8.ch019.

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Zinc oxide (ZnO) nanoparticles prepared using simple co-precipitation method are characterized and photocatalytic activity is tested on the degradation of methylene blue and rhodamine B organic pollutants. Morphological and structural properties of synthesized nanomaterial have been characterized using FESEM, EDAX spectroscopy, and XRD, while UV-visible DRS spectroscopy and photoluminescence have been used to understand their optical properties. The photocatalytic behaviour of synthesized nanoparticles was evaluated on the degradation of methylene blue (MB) and rhodamine B (RhB) organic pollutants under solar light irradiation. The highest degradation was achieved for MB (100%) over RhB (96%). Preliminary investigation shows the effective degradation of organic pollutants by ZnO nanoparticles.
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Pazhamalai, Parthiban, Karthikeyan Krishnamoorthy, and Sang-Jae Kim. "Energy Storage Properties of Topochemically Synthesized Blue TiO2 Nanostructures in Aqueous and Organic Electrolyte." In 21st Century Nanostructured Materials – Physics, Chemistry, Classification, and Emerging Applications in Industry, Biomedical, and Agriculture [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.102186.

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This book chapter discusses the topochemical synthesis of blue titanium oxide (b-TiO2) and their application as electrode material for supercapacitor devices in aqueous and organic electrolytes. The formation mechanism of b-TiO2 via topochemical synthesis and their characterization using X-ray diffraction, UV–visible, photoluminescence, electron spin resonance spectroscopy, laser Raman spectrum, X-ray photoelectron spectroscopy, and morphological studies (FESEM and HR-TEM) are discussed in detail. The supercapacitive properties of b-TiO2 electrode were studied using both aqueous (Na2SO4) and organic (TEABF4) electrolytes. The b-TiO2 based symmetric-type supercapacitor (SC) device using TEABF4 works over a wide voltage window (3 V) and delivered a high specific capacitance (3.58 mF cm−2), possess high energy density (3.22 μWh cm−2) and power density (8.06 mW cm−2) with excellent cyclic stability over 10,000 cycles. Collectively, this chapter highlighted the use of b-TiO2 sheets as an advanced electrode for 3.0 V supercapacitors.
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"Green and One-Pot Synthesis of Mint Derived Carbon Quantum Dots for Metal Ion Sensing." In Materials Research Foundations, 81–94. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901250-3.

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A green and simple synthesis of carbon quantum dots (CQDs) was derived from dried mint leaves by hydrothermal method. Crystalline structure of the synthesized CQDs was characterized with X-ray diffraction (XRD) method. The morphological properties of the CQDs were investigated with transmission electron microscopy (TEM). The optical behaviors of the CQDs were examined with fourier transfom infrared spectrophotometer (FT-IR), ultraviolet visible (UV-Vis) and photoluminescence spectrophotometer techniques. Crystalline structure of the CQDs was found as amorphous in nature and the average diameter of the CDs was calculated as 8.13 nm from TEM study. According to the fluorescence emission spectra of the samples, synthesized CQDs was sensitive to mainly Ag(I), Cr(III) and Fe(III) ions. Especially, Ag(I) was the most sensible compared to other metal ions. Quenching effect of the CQDs was also evaluated by using ascorbic acid to metal ions added CQDs samples. Ascorbic acid showed the quenching effect for all the metal ion added samples except Sn(II) ion.
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Kouass, Salah, Hassouna Dhaouadi, Abdelhak Othmani, and Fathi Touati. "Characterization, Photoelectric Properties, Electrochemical Performances and Photocatalytic Activity of the Fe2O3/TiO2 Heteronanostructure." In Electrocatalysis [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.98759.

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The Fe2O3/TiO2 nanocomposite was synthesized on FTO subtract via hydrothermal method. The crystal structure, morphology, band structure of the heterojunction, behaviors of charge carriers and the redox ability were characterized by XRD, HR-TEM, absorption spectra, PL, cyclic voltammetry and transient photocurrent spectra. The as-prepared Fe2O3/TiO2 photocatalysts with distinctive structure and great stability was characterized and investigated for the degradation of methylene blue (MB) dye in aqueous solution. The ability of the photocatalyst for generating reactive oxygen species, including O2− and.OH was investigated. It was revealed that the combination of the two oxides (Fe2O3 and TiO2) nano-heterojunction could enhance the visible response and separate photogenerated charge carriers effectively. Therefore, the remarkable photocatalytic activity of Fe2O3/TiO2 nanostructures for MB degradation was ascribed to the enhanced visible light absorption and efficient interfacial transfer of photogenerated electrons from to Fe2O3 to TiO2 due to the lower energy gap level of Fe2O3/TiO2 hybrid heterojunctions as evidenced by the UV–Vis and photoluminescence studies. The decrease of the energy gap level of Fe2O3/TiO2 resulted in the inhibition of electron–hole pair recombination for effective spatial charge separation, thus enhancing the photocatalytic reactions. Based on the obtained results, a possible mechanism for the improved photocatalytic performance associated with Fe2O3/TiO2 was proposed. The Fe2O3/TiO2 nanocomposite has a specific capacity of 82 F.g−1 and shows a higher capacitance than Fe2O3.
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MOTOHIRO, TOMOYOSHI, YASUHIKO TAKEDA, SHI-AKI HYODO, TATSUMI HIOKI, and SHOJI NODA. "AN OLIGOSILANE BRIDGE MODEL: NANOCOMPOSITE NATURE OF THE ORIGIN OF THE INTENSE VISIBLE PHOTOLUMINESCENCE OF POROUS SILICON." In Porous Silicon, 99–131. WORLD SCIENTIFIC, 1994. http://dx.doi.org/10.1142/9789812812995_0006.

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Conference papers on the topic "Visible Photoluminescence"

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Zlateva, G., M. Mileva, and N. Popdimitrova. "Visible Photoluminescence of Solid State Quercetin and Rutin." In SIXTH INTERNATIONAL CONFERENCE OF THE BALKAN PHYSICAL UNION. AIP, 2007. http://dx.doi.org/10.1063/1.2733572.

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Huang, Lijuan, Lei Wang, and Jun Du. "Growth and Visible Photoluminescence Properties from Gold Silicide Nanoparticles." In 2010 Symposium on Photonics and Optoelectronics (SOPO 2010). IEEE, 2010. http://dx.doi.org/10.1109/sopo.2010.5504406.

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AKIYAMA, Koji, Akifumi OGIWARA, and Hisahito OGAWA. "Visible Photoluminescence of Highly Photoconductive Hydrogenated Amorphous Silicon Film." In 1993 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 1993. http://dx.doi.org/10.7567/ssdm.1993.c-5-1.

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Lee, Chang-Won, Henry O. Everitt, John M. Zavada, and Andrew J. Steckl. "Temperature dependent visible photoluminescence of Eu-doped GaN on silicon." In Frontiers in Optics. Washington, D.C.: OSA, 2003. http://dx.doi.org/10.1364/fio.2003.wff4.

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Afinogenov, Boris I., Anton S. Medvedev, Ilya M. Antropov, Nikita R. Filatov, Anton N. Sofronov, EunHee Jeang, Sangwoo Bae, et al. "Visible upconversion photoluminescence of bulk silicon and mesoscale silicon nanoparticles." In Nanoengineering: Fabrication, Properties, Optics, Thin Films, and Devices XVII, edited by Wounjhang Park, André-Jean Attias, and Balaji Panchapakesan. SPIE, 2020. http://dx.doi.org/10.1117/12.2570415.

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Kawabe, Yutaka, Akio Yamanaka, Eiichi Hanamura, Tsuyoshi Kimura, Yoshinori Tokura, Yoshihiro Takiguchi, and Hirofumi Kan. "Ultraviolet and visible photoluminescence from aluminate crystals with perovskite structure." In International Symposium on Optical Science and Technology, edited by Alexander J. Marker III and Eugene G. Arthurs. SPIE, 2000. http://dx.doi.org/10.1117/12.405278.

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Bryan, R. P., R. P. Schneider, J. A. Lott, and G. R. Olbright. "Visible vertical-cavity surface-emitting lasers." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1992. http://dx.doi.org/10.1364/oam.1992.fw2.

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We report the operation of visible-light (670-630 nm) vertical-cavity surface-emitting lasers (VCSELs) in a photopumped structure. Visible VCSELs are a promising breakthrough for visible laser technology because of their surfacenormal operation, nonastigmatic output beams, ease of fabrication of closely spaced 1- and 2-dimensional arrays, and ease of integration with electronic and photonic devices. To date, operation of VCSELs has been limited to wavelengths greater than 770 nm. We have extended this range into the visible, where numerous applications exist, including ultrafast holographic memory, visible laser projection displays, plastic fiber-optic communications, and many applications for which He-Ne lasers are currently employed. The visible VCSEL structure was grown by using low-pressure metal-organic vapor phase epitaxy. The active region consists of InGaP strained quantum wells and InAlGaP graded barriers. We characterized and optimized the optical properties, strain effects, and band offsets of the materials as a function of growth and structure parameters with low temperature photoluminescence and photoluminescence excitation spectroscopies. Distributed Bragg reflectors reflecting at visible wavelengths were grown in both the AlGaAs and InAlGaP material systems. Room temperature photopumped lasing was achieved with a very low threshold power, comparable to our best AlGaAs/GaAs near-infrared VCSELs. We have achieved photopumped lasing in both doped and undoped structures at wavelengths ranging from 670 to 630 nm. We are currently engaged in the fabrication of visible VCSEL diodes and will discuss this work. These results demonstrate the viability of visible VCSEL technology, opening the door for a broad range of new visible-light optoelectronic applications.
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Mei, Jiaxin, Yunjun Rui, Ling Yang, Jun Xu, Zhongyuan Ma, Da Zhu, Xinfan Huang, and Kunji Chen. "Visible photoluminescence originated from various mechanisms during step-by-step annealing." In SPIE Proceedings, edited by Junhao Chu, Zongsheng Lai, Lianwei Wang, and Shaohui Xu. SPIE, 2004. http://dx.doi.org/10.1117/12.608168.

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Kuzmin, A., N. Mironova-Ulmane, and S. Ronchin. "Origin of visible photoluminescence in NiO and NicMg1-cO single crystals." In SPIE Proceedings, edited by Andris Krumins, Donats Millers, Inta Muzikante, Andris Sternbergs, and Vismants Zauls. SPIE, 2003. http://dx.doi.org/10.1117/12.515705.

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Que, R., L. Houel-Renault, M. Temagoult, M. Lancry, K. Kalli, and B. Poumellec. "Photoluminescence Creation in CYTOP Optical Fiber by Femtosecond Laser Direct Writing." In Bragg Gratings, Photosensitivity and Poling in Glass Waveguides and Materials. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/bgppm.2022.bm3a.3.

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Spatial-selective photoluminescence in visible range was induced in the core of CYTOP fibers by femtosecond laser direct writing. This implemented optical property may have potential applications for luminescence-based fiber sensing for biomedical and environmental fields
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