Littérature scientifique sur le sujet « Diffusion - Organic Dyes »
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Articles de revues sur le sujet "Diffusion - Organic Dyes"
Smilek, Jiří, Michal Kalina, Marcela Laštůvková, Irena Türkeová, Petr Sedlacek et Martina Klučáková. « Reactivity-Mapping Tool Based on Diffusion Techniques for Characterization of Biocolloids ». Materials Science Forum 851 (avril 2016) : 130–34. http://dx.doi.org/10.4028/www.scientific.net/msf.851.130.
Texte intégralKlučáková, Martina. « Effect of Chitosan as Active Bio-colloidal Constituent on the Diffusion of Dyes in Agarose Hydrogel ». Gels 9, no 5 (9 mai 2023) : 395. http://dx.doi.org/10.3390/gels9050395.
Texte intégralChenyakin, Yuri, Dagny A. Ullmann, Erin Evoy, Lindsay Renbaum-Wolff, Saeid Kamal et Allan K. Bertram. « Diffusion coefficients of organic molecules in sucrose–water solutions and comparison with Stokes–Einstein predictions ». Atmospheric Chemistry and Physics 17, no 3 (15 février 2017) : 2423–35. http://dx.doi.org/10.5194/acp-17-2423-2017.
Texte intégralDey, Shantanu, Ujjwal Mandal, Supratik Sen Mojumdar, Amit Kumar Mandal et Kankan Bhattacharyya. « Diffusion of Organic Dyes in Immobilized and Free Catanionic Vesicles ». Journal of Physical Chemistry B 114, no 47 (2 décembre 2010) : 15506–11. http://dx.doi.org/10.1021/jp1068347.
Texte intégralChernomorova, Maria A., Natali S. Khrabrova, Vladimir A. Zhinzhilo et Igor E. Uflyand. « The Use of Copper Terephthalate for the Determination and Separation of Organic Dyes via Solid-Phase Extraction with Spectrophotometric Detection ». Applied Sciences 13, no 5 (27 février 2023) : 3063. http://dx.doi.org/10.3390/app13053063.
Texte intégralKadolkar, Prajakta S., Shivaraj A. Patil, Manjunath N. Wari et Sanjeev R. Inamdar. « Rotational diffusion dynamics of Alexa flour dyes in aqueous organic environment ». Journal of Molecular Liquids 312 (août 2020) : 113452. http://dx.doi.org/10.1016/j.molliq.2020.113452.
Texte intégralBALAKRISHNAN, JEYAGOWRI, et YAMUNA RANGAIYA THIAGARAJAN. « CHARACTERIZATION AND POTENTIAL SUITABILITY OF SIMAROUBA GLAUCA SEED SHELL LIGNOCELLULOSIC BIOMASS AS ADSORBENT OF BASIC DYES FROM AQUEOUS SOLUTIONS ». Cellulose Chemistry and Technology 55, no 5-6 (30 juin 2021) : 705–22. http://dx.doi.org/10.35812/cellulosechemtechnol.2021.55.60.
Texte intégralDollendorf, Christian, Susanne Katharina Kreth, Soo Whan Choi et Helmut Ritter. « Polymerization of novel methacrylated anthraquinone dyes ». Beilstein Journal of Organic Chemistry 9 (28 février 2013) : 453–59. http://dx.doi.org/10.3762/bjoc.9.48.
Texte intégralMandake, Manoj B., Santosh Walke, Makarand Naniwadikar, Ganesh Patil et Sandhya D. Jadhav. « Experimental Investigations of the Removal of Methylene Blue from Waste Water using Agricultural Adsorbant ». Int. J. of Membrane Science and Technology 10, no 1 (20 janvier 2023) : 1–7. http://dx.doi.org/10.15379/2410-1869.2023.10.01.01.
Texte intégralRusso, Mattia, Kirsty E. McGhee, Tersilla Virgili, David G. Lidzey, Giulio Cerullo et Margherita Maiuri. « Dephasing Processes in the Molecular Dye Lumogen-F Orange Characterized by Two-Dimensional Electronic Spectroscopy ». Molecules 27, no 20 (20 octobre 2022) : 7095. http://dx.doi.org/10.3390/molecules27207095.
Texte intégralThèses sur le sujet "Diffusion - Organic Dyes"
Ullmann, Dagny Anna. « Measurements of diffusion coefficients of organic dyes in proxies of atmospheric particles ». Thesis, University of British Columbia, 2017. http://hdl.handle.net/2429/61969.
Texte intégralSmilek, Jiří. « Nové metody studia reaktivity a transportních vlastností biokoloidů ». Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-234657.
Texte intégralNunes, Neto Oswaldo [UNESP]. « Estudo dos processos de transporte dependentes de Spin em materiais orgânicos ». Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/143066.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
Materiais e dispositivos baseados em compostos orgânicos desempenham um importante papel em diversas áreas da aplicação tecnológica devido às suas interessantes propriedades eletro-magneto- ópticas, adicionadas às suas características mecânicas únicas, facilidade de processamento, versatilidade de síntese e baixo custo relativo. Apesar do proeminente campo de aplicação destes materiais, muitos aspectos associados à sua ciência básica são ainda pouco compreendidos. Nesse cenário destaca-se o fenômeno de Magnetoresistência Orgânica (OMAR, da sigla em inglês). Tal fenômeno encontra-se associado a variações significativas da condutividade elétrica de dispositivos orgânicos induzidas por pequenos campos magnéticos externos em temperatura ambiente e tem sido observado em diversificados materiais poliméricos e moleculares. No presente trabalho avaliou-se o fenômeno de OMAR apresentado por um Diodo Emissor de Luz baseado na molécula de Alq3. Medidas de Espectroscopia de Impedância Elétrica na presença de um Campo Magnético estático externo (EIE-CM) foram realizadas sobre o referido dispositivo para diferentes temperaturas. Métodos diferenciados de aquisição e manipulação de dados foram empregados a fim de remover a dependência temporal dos sinais tipicamente observados. Os seguintes Efeitos de Campo Magnético (MFE, da sigla em inglês) foram observados sobre a resposta elétrica do dispositivo: (i) redução de cerca de 1% na resistência, efeito praticamente constante para todo o espectro de frequência e; (ii) variações significativas na capacitância, com intensificação do efeito de Capacitância Negativa em baixas frequências. Como suporte para a interpretação dos resultados experimentais foram realizadas simulações empregando-se duas abordagens: Circuitos Equivalentes e Análise de perturbações de pequenos sinais (em inglês, Small Signal Analysis ) via soluções numéricas das equações de transporte de Boltzmann numa aproximação por Drift-Diffusion empregando-se dispositivos simplificados. As análises sugerem que os MFE evidenciados podem estar associados a um aumento da mobilidade efetiva dos portadores de carga e a uma redução na taxa de recombinação bimolecular no dispositivo. Os resultados foram interpretados em termos dos modelos atualmente aceitos para o fenômeno de OMAR. Esta tese também apresenta um estudo de processos de geração e transferência de carga em corantes Cianinas, materiais promissores para aplicações em células solares com absorção no infravermelho. Técnicas de Ressonância de Spin Eletrônico induzida por Luz foram empregadas em blendas destes corantes com o polímero MEH-PPV e com o fulereno (C60) a fim de avaliar, respectivamente, o caráter aceitador e doador de elétrons das Cianinas.
Materials and devices based on organic compounds play an important role in various technological applications, mainly due to their interesting electrical-magneto-optical properties combined with their unique mechanical properties, easy processing, versatility of synthesis and relatively low cost. Despite the prominent application field of these materials many aspects associated with their basic science are still not well understood. In this context the Organic Magnetoresistance phenomenon (OMAR) deserves to be highlighted. This phenomenon is associated with significant changes in the electrical conductivity of organic devices induced by the presence of small external magnetic fields at room temperature, being observed in various polymeric and molecular materials. In this study we have investigated the OMAR phenomenon in Alq3-based OLEDs. Electrical impedance spectroscopy technique in the presence of an external static magnetic field (EIS-MF) was employed in the experiments; distinct temperatures were considered. Differentiated methods of acquisition and data manipulation were employed to remove the typically observed signal time dependence. The following magnetic field effects (MFE) were observed on the electrical response of the device: (i) a constant reduction of around 1% in the resistance over the entire frequency spectrum and; (ii) significant changes in the capacitance followed by an intensification of the negative capacitance effect at low frequencies. Simulations employing two different approaches were carried out for the interpretation of the experimental results: (i) Equivalent Circuits and (ii) Small Signal Analysis via numerical solutions of the Boltzmann transport equations by Drift-Diffusion approach. The results suggest that the observed MFE can be associated with an increase in the effective mobility of the charge carriers and a reduction in the bimolecular recombination rate in the device. The results were interpreted in terms of the currently accepted models for the OMAR phenomenon. This thesis also presents a study about generation and charge transfer processes in cyanine dyes (near infrared absorbing compounds) which are promising materials for applications in solar cells. Light induced Electron Spin Resonance (L-ESR) technique was employed to study the presence/formation of paramagnetic centers in blends of these dyes with MEH-PPV polymer and fullerene (C60) to evaluate, respectively, the electron acceptor and donor character of cyanine dyes.
FAPESP: 2011/21830-6
CNPq: 204432/2013-8
Kolesa, Pavel. « Studium interakcí barviv s biopolymerem chitosanem ». Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2016. http://www.nusl.cz/ntk/nusl-240577.
Texte intégralVezzoli, Massimiliano. « Intrinsic kinetics of titania photocatalysis : simplified models for their investigation ». Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/51574/1/Massimiliano_Vezzoli_Thesis.pdf.
Texte intégralPORTELLA, MARCIA TEREZA. « Spectroscopie coherente et etude d'un espace poreux par melange a quatre ondes ». Paris 6, 1987. http://www.theses.fr/1987PA066586.
Texte intégralDelatour, Thierry. « Mise en évidence par spectrométries optiques de formes tautomères caractéristiques d'un pyridylazo diethylaminophénol ». Nancy 1, 1987. http://www.theses.fr/1987NAN10159.
Texte intégralYang, Cheng-chung, et 羊振中. « Studies of Finite-Source Dye-Diffusion Thermal Transfer for Doping of Organic Light Emitting Diodes ». Thesis, 2000. http://ndltd.ncl.edu.tw/handle/77407633836766141666.
Texte intégral國立臺灣大學
光電工程學研究所
88
Organic light emitting devices (OLEDs) based on molecular organic materials or polymer materials have been extensively studied because of their various merits suitable for flat panel display applications. The capability of solution processing of polymers leads to manufacturing advantage for large-area coating. However, it is found difficult to integrate multicolor polymer materials or devices for full-color displays by conventional coating and sequential photolithography steps. To resolve this issue, printing approaches have been aggressively pursued recently. In this thesis, we propose finite-source dye-diffusion thermal transfer (FS-D2T2) for performing controllable doping of polymer films in OLEDs. In this process, the polymer receiver film is placed in direct contact with the dye-dispersed polymer donor film to permit direct dye-diffusion thermal transfer. We perform a series of experiments of dye diffusion in the poly(N-vinylcarbazole) (PVK) or the poly (N-vinylcarbazole): 2-(4—biphenyl)-5-(4-tert- butylphenyl)-1,3,4-oxadiazole (PVK: PBD) matrix systems and show that it can be modeled by Fick’s diffusion theory. Using this doping process, we demonstrated color tuning & color integration of OLEDs.
Chapitres de livres sur le sujet "Diffusion - Organic Dyes"
« Textile Dyes (excluding Reactive Dyes) ». Dans Colour Chemistry, 168–93. 2e éd. The Royal Society of Chemistry, 2014. http://dx.doi.org/10.1039/bk9781849733281-00168.
Texte intégralActes de conférences sur le sujet "Diffusion - Organic Dyes"
West, D., D. L. Williams, T. A. King, Z. Ali-Adib, P. Hodge et D. Dunne. « Dependency of Sidechain Chromophore Orientations on Langmuir-Blodgett Polymer Structures ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1995. http://dx.doi.org/10.1364/otfa.1995.md.8.
Texte intégralHorie, Kazuyuki. « New Mechanisms and New Systems of Hole Formation in Spectral Hole Burning ». Dans Spectral Hole-Burning and Related Spectroscopies : Science and Applications. Washington, D.C. : Optica Publishing Group, 1994. http://dx.doi.org/10.1364/shbs.1994.thf1.
Texte intégralSakoda, Kazuaki, et Masayuki Maeda. « Spectral Diffusion in Dye-Doped Deuterated Polymers ». Dans Spectral Hole-Burning and Luminescence Line Narrowing : Science and Applications. Washington, D.C. : Optica Publishing Group, 1992. http://dx.doi.org/10.1364/shbl.1992.pd7.
Texte intégralWilkosz, Aaron, et Sergey Sarkisov. « Beam Splitting in Nonlinear Polymeric Waveguide Induced by Photobleaching ». Dans Organic Thin Films for Photonic Applications. Washington, D.C. : Optica Publishing Group, 1997. http://dx.doi.org/10.1364/otfa.1997.the.12.
Texte intégralCurran, K., et M. Davies. « Spectral Intensity Mapping and Analysis of Dyed Microflows ». Dans ASME 2004 2nd International Conference on Microchannels and Minichannels. ASMEDC, 2004. http://dx.doi.org/10.1115/icmm2004-2333.
Texte intégralTsuchiya, Jun, Jun-ichi Takahashi et Hiroshi Tanaka. « Free Volume Model of Thermally Induced Spectral Diffusion ». Dans Persistent Spectral Hole Burning : Science and Applications. Washington, D.C. : Optica Publishing Group, 1991. http://dx.doi.org/10.1364/pshb.1991.the15.
Texte intégralMao, Xiaole, Sung Yang et Jeffrey D. Zahn. « Experimental Demonstration and Numerical Simulation of Organic-Aqueous Liquid Extraction Enhanced by Droplet Formation in a Microfluidic Channel ». Dans ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-16084.
Texte intégralMorales, Mercedes C., et Jeffrey D. Zahn. « Development of a Diffusion Limited Microfluidic Module for DNA Purification via Phenol Extraction ». Dans ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-68086.
Texte intégralMolaire, M. F. « The Influence of Melt Viscosity on the Writing Sensitivity of Organic Dye-Binder Optical-Disk Recording Media ». Dans Optical Data Storage. Washington, D.C. : Optica Publishing Group, 1987. http://dx.doi.org/10.1364/ods.1987.tha4.
Texte intégralRomanovskii, Yu V., R. I. Personov, A. D. Samoilenko, Keith Holliday et Urs P. Wild. « Concentration Effects on Spectra and Persistent Hole-Burning of Porphyrin Doped Langmuir-Blodgett Films ». Dans Spectral Hole-Burning and Luminescence Line Narrowing : Science and Applications. Washington, D.C. : Optica Publishing Group, 1992. http://dx.doi.org/10.1364/shbl.1992.tub23.
Texte intégral