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Thèses sur le sujet « Organic emitters »

Auteur : Grafiati

Publié le 9 mars 2023

Mis à jour le 31 juillet 2025

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1

Langner, Maik. "Laterally modified microcavity systems containing organic emitters." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-67568.

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The scope of this work is an in-depth investigation of dielectric mirror microcavities with central organic dye layers, which are preferably modified in at least one lateral dimension. The large quality factor of the planar resonator in conjunction with comparatively stable and spectrally broad emitting molecules allows for a detailed analysis of several aspects of microresonator systems. Their optical properties are analyzed both with transmission and luminescence measurements as well as in the lasing regime. The first part presents the resonant mode properties of planar and laterally structu

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2

Jiang, Jinyue. "Design, Synthesis, and Properties of New Derivatives of Pentacene and New Blue Emitters." Bowling Green State University / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1145645147.

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3

Bachawala, Praveen. "Design, Synthesis and Properties of Corannulene Based Blue Emitters and Carcerands." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1368014057.

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4

Garrote, Cañas Ana Maria. "Design, synthesis and photophysical characterisation of N-containing organic emitters and their metal complexes." Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/17251/.

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This study aimed to design novel N-containing heterocyclic compounds, utilising different synthetic strategies to tune the photophysical properties of these compounds. This research was focussed on three families of compounds: indoles, hydrazones and phenanthrolines. Hydrazones were proved to be useful precursors for the preparation of the bis(indoyl) derivatives via a double Fischer indole synthesis. Structural modifications and their effect on the photophysical properties were studied. Also, the pH response and metal sensing ability of these compounds were investigated. Despite the popularit

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5

Liu, Yuh-Shiuan. "Ultraviolet emitters grown by metalorganic chemical vapor deposition." Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50415.

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This thesis presents the development of III-nitride materials for deep-ultraviolet (DUV) light emitting devices. The goal of this research is to develop a DUV laser diode (LD) operating at room temperature. Epitaxial structures for these devices are grown by metalorganic chemical vapor deposition (MOCVD) and several material analysis techniques were employed to characterize these structures such as atomic force microscopy, electroluminescence, Hall-effect measurement, photoluminescence, secondary ion mass spectrometry, transmission electron microscopy, transmission line measurement, and X-ray

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Langner, Maik [Verfasser], Karl [Akademischer Betreuer] Leo, and Uli [Akademischer Betreuer] Lemmer. "Laterally modified microcavity systems containing organic emitters / Maik Langner. Gutachter: Karl Leo ; Uli Lemmer. Betreuer: Karl Leo." Dresden : Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://d-nb.info/1067188452/34.

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Wada, Yoshimasa. "Molecular Design and Realization of Highly Efficient Thermally Activated Delayed Fluorescence Emitters for Organic Light-Emitting Diodes." Doctoral thesis, Kyoto University, 2020. http://hdl.handle.net/2433/253298.

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京都大学<br>0048<br>新制・課程博士<br>博士(工学)<br>甲第22462号<br>工博第4723号<br>新制||工||1738(附属図書館)<br>京都大学大学院工学研究科分子工学専攻<br>(主査)教授梶弘典, 教授佐藤啓文, 教授関修平<br>学位規則第4条第1項該当<br>Doctor of Philosophy (Engineering)<br>Kyoto University<br>DFAM

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Mac, Ciarnaín Rossá [Verfasser], Torsten Gutachter] Fritz, Francesco [Gutachter] Michelotti, and Andreas [Gutachter] [Tünnermann. "Emission properties of small molecule phosphor emitters in organic light emitting diodes / Rossá Mac Ciarnaín ; Gutachter: Torsten Fritz, Francesco Michelotti, Andreas Tünnermann." Jena : Friedrich-Schiller-Universität Jena, 2017. http://d-nb.info/117760017X/34.

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9

Abdelhameed, Reda Mohamed. "Post-synthetic modification of metal–organic frameworks." Doctoral thesis, Universidade de Aveiro, 2014. http://hdl.handle.net/10773/15516.

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Doutoramento em Química<br>Post-synthetic modification (PSM) of metal-organic frameworks encompassing the chemical transformation of the linker present is a promising new route for engineering optical centres and tuning the light emission properties of materials, both in the visible and in the near infrared (NIR) spectral regions. Here, PSM of isoreticular metal-organic framework-3 (IRMOF-3) with ethyl oxalyl monochloride, ethyl acetoacetate, pentane-2,4-dione, 3-(2- hydroxyphenyl)-3-oxopropanal, 2-chloroacetic acid, glyoxylic acid, methyl vinyl ketone and diethyl (ethoxymethylene)malon

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Jakoby, Marius Felix [Verfasser], and B. S. [Akademischer Betreuer] Richards. "Investigating Exciton Dynamics by Photoluminescence Quenching Experiments in Metal-Organic Frameworks and Thermally Activated Delayed Fluorescence Emitters / Marius Felix Jakoby ; Betreuer: B. S. Richards." Karlsruhe : KIT-Bibliothek, 2021. http://d-nb.info/1231361514/34.

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11

Wong, Michael Yin. "Creating novel thermally activated delayed fluorescence (TADF) emitters for light-emitting electrochemical cells (LEECs) and organic light-emitting diodes (OLEDs) applications and their structure-property relationship." Thesis, University of St Andrews, 2017. http://hdl.handle.net/10023/12975.

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Developing organic light-emitting diodes (OLEDs) as the next generation display devices is not only of industrial interest, but also a scientific challenge in and of itself that requires multi-disciplinary efforts to make the technology successful. Thermally activated delayed fluorescence (TADF) is a recent breakthrough in OLED technology whose prime value is to enable purely organic emitters to recruit the dark triplet excitons in the device, thus avoiding expensive and toxic rare metal based emitters. This thesis is centred on TADF and contains work in three major areas. Firstly, novel ionic

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KARAMSHUK, SVITLANA. "Organic sensitizers for application in photonic and photovoltaic devices." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2015. http://hdl.handle.net/10281/76622.

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With the increasing demand for reliable and efficient devices with minimal environmental impact, novel organic materials gain extreme interest in the research community and industry. In this work we present synthetic strategies towards new organic compounds as promising materials for dye sensitized solar cells (DSCs) and low-cost integrated optics along with the investigation of these materials in devices. Despite the recent hype in the research community around DSCs, increasing efficiency of DSCs is still a challenge. In principle, one promising way to obtain DSCs with significantly enhanced

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Zhang, Shuyu. "Directional organic light-emitting diodes using photonic microstructure." Thesis, University of St Andrews, 2014. http://hdl.handle.net/10023/6356.

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This thesis describes investigations into the optical and device design of organic light-emitting diodes (OLEDs) with the aim of exploring the factors controlling the spatial emission pattern of OLEDs and developing novel OLEDs with directional emission by applying wavelength-scale photonic microstructure. The development of directional OLEDs was broken down into two steps: the development of efficient narrow linewidth OLEDs and the integration of wavelength-scale photonic microstructures into narrow linewidth OLEDs. The narrow linewidth OLEDs were developed using europium (Eu) complexes. The

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Dahlen, Joseph. "REDUCTION OF VOLATILE ORGANIC COMPOUNDS EMITTED DURING KILN DRYING OF SOUTHERN YELLOW PINE LUMBER." MSSTATE, 2008. http://sun.library.msstate.edu/ETD-db/theses/available/etd-10172008-085347/.

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The objective of the research is to reduce the volatile organic compounds (VOCs) emitted during kiln drying of southern yellow pine (SYP) lumber. Three treatment methods were explored to determine their effect on VOC emissions. The three methods were configured at the air exhaust of a pilot-scale dry kiln. 1) A steel reactor containing copper tubing heated to 100°, 200°, and 240° Celsius was evaluated. Temperature did not statistically affect VOC emissions (p-value = 0.1674). The average reduction of VOCs at 240° C was seven percent. 2) The use of hydrogen peroxide and ultra-violet (UV) light

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Brown, Veronica M. "Development of improved methods for the characterisation of organic chemicals emitted into indoor air by building and furnishing products." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8078.

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A wide range of organic compounds are released from building and furnishing products and these have the potential to adversely affect indoor air quality. There are growing international requirements for testing and controlling these emissions for the protection of public health. The test methods require specialist analytical chemistry facilities based on thermal desorption/gas chromatography/mass spectrometry (TD/GC/MS). This project has addressed the need for better performance and greater automation of the analysis, as well as development of simpler screening tests. A variety of products wer

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ASTI, Mattia. "SYNTHESIS AND QUALITY ASSESSMENT OF THE POSITRON EMITTER RADIOTRACER 2-[18F]-FLUOROETHYLCHOLINE, A [18F]-LABELLED CHOLINE ANALOGUE FOR TUMOURS IMAGING." Doctoral thesis, Università degli studi di Ferrara, 2013. http://hdl.handle.net/11392/2388919.

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Introduction: [18F]-labelled choline analogues, such as 2-[18F]-Fluoroethylcholine ( [18F]-FECH ), have suggested to be the new generation of choline derivatives for the imaging of prostate and brain tumours. In fact, tumour cells with enhanced proliferation rate exhibit an improved choline uptake due to the increased membrane phospholipids biosynthesis. The aim of this dissertation is the development and validation of a reliable automatic synthesis of [18F]-FECH. Moreover, in order to assure a safe employment of the radiotracer in a research clinical trial, particular attention was paid

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Scarpellini, M. "ADVANCED MATERIALS: PREPARATION, STUDY AND OPTIMIZATION OF THIN FILM FOR OPTO-ELECTRONIC DEVICE." Doctoral thesis, Università degli Studi di Milano, 2010. http://hdl.handle.net/2434/150151.

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The term “optoelectronic devices” is by now used for devices in which both electrons and photons are essential for their operation, as a natural evolution from the definitions of electronic devices that involved only electrons and holes in their operation and of photonic devices that involved only photons in their operation. One of the new lighting technologies which emerged within the past two decades and has the potential of becoming more energy-efficient then the existing light sources, is the Solid State Lighting technology of Organic Light Emitting Diodes (OLEDs). In general, the basic OL

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18

Makarow, Ramona Irina Gloria Fanny [Verfasser], Niko [Akademischer Betreuer] Balkenhol, Niko Gutachter] Balkenhol, and Peter [Gutachter] [Kaul. "Identification of the specific volatile organic compounds emitted by Anoplophora glabripennis (Moschulsky) / Ramona Irina Gloria Fanny Makarow ; Gutachter: Niko Balkenhol, Peter-Michael Kaul ; Betreuer: Niko Balkenhol." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://nbn-resolving.de/urn:nbn:de:gbv:7-21.11130/00-1735-0000-0005-137F-8-5.

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Makarow, Ramona Irina Gloria Fanny [Verfasser], Niko [Akademischer Betreuer] Balkenhol, Niko [Gutachter] Balkenhol, and Peter-Michael [Gutachter] Kaul. "Identification of the specific volatile organic compounds emitted by Anoplophora glabripennis (Moschulsky) / Ramona Irina Gloria Fanny Makarow ; Gutachter: Niko Balkenhol, Peter-Michael Kaul ; Betreuer: Niko Balkenhol." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1208918427/34.

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Schreil, Manfred. "Erzeugung großflächiger organischer Leuchtdioden in einem vertikalen In-Line-Bedampfungssystem." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1119355576183-77424.

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Im Mittelpunkt der vorliegenden Dissertation stand die Herstellung von organischen Leuchtdioden und Passiv-Matrix-Displays an einer neuartigen Durchlauf-Depositionsanlage. Die Abscheidung von &quot;small molecule&quot; Materialien im Hochvakuum wurde dabei mittels organischer Molekularstrahldeposition (OMBD) durchgeführt. Um effiziente Leuchtdioden zu erzielen, sind die Bauelemente als Mehrschichtsystem aufgebracht worden. Als Grundstruktur kam eine Schichtenfolge zur Anwendung, die als Löchertransporter aus dem Starburst-Derivat 2-TNATA, daran anschließend einem tertiären Arylamin, de

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21

Wu, Fang-Iy, and 吳芳奕. "Molecular and Polymeric Emitters for Organic-Light." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/42509747035430935480.

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博士<br>國立交通大學<br>應用化學系所<br>94<br>The work presented here describes the chemistry and the device applications of small molecule-based and polymer-based emitters with improved thermal stability. Chapter one briefly introduces the history of organic electroluminescence and how these devices work; chapter two summaries the experiement section of synthetic routes and the characterization methods of these emitters. 4,4´-bis(2,2-diphenylvinyl)-1,1´-biphenyl (DPVBi) has been proved to be one of the most promising blue emitter because of its high photoluminescence (PL) efficiency in solid-state. However

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Langner, Maik. "Laterally modified microcavity systems containing organic emitters." Doctoral thesis, 2010. https://tud.qucosa.de/id/qucosa%3A25550.

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The scope of this work is an in-depth investigation of dielectric mirror microcavities with central organic dye layers, which are preferably modified in at least one lateral dimension. The large quality factor of the planar resonator in conjunction with comparatively stable and spectrally broad emitting molecules allows for a detailed analysis of several aspects of microresonator systems. Their optical properties are analyzed both with transmission and luminescence measurements as well as in the lasing regime. The first part presents the resonant mode properties of planar and laterally structu

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23

Yang, Cheng-Hsien, and 楊正憲. "Red and Green Emitters for Organic Light-Emitting Diodes." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/72117075946373964507.

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博士<br>國立成功大學<br>化學系碩博士班<br>94<br>Organic light-emitting diodes (OLEDs) have potentials for application in the flat panel display and have received vast attentions. This work focuses on synthesizing various green and red phosphorescent emitters based on iridium complexes. 　Firstly, four novel red phosphorescent emitter compounds bis(1-phenyl- isoquinolinato-N,C2’)iridium(acetylacetonate), (piq)2Ir(acac), bis(1-(1’naphthyl) isoquinolinato-N,C2’)iridium(acetylacetonate), (1-niq)2Ir(acac), bis(1-(2’-naphthyl) isoquinolinato-N,C2’)iridium(acetylacetonate), (2-niq)2Ir(acac), and bis(1-phenyl- 5-met

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Neal, Terrell Demetris. "Surface Plasmon Enhanced Light Emission from Organic Light Emitters." Thesis, 2006. https://thesis.library.caltech.edu/3698/1/Terrell_D_Neal.pdf.

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We have experimentally verified that visible light emission for various organic light emitters can be enhanced through the use of surface plasmon coupling layers. By matching the plasmon frequency of a thin unpatterned silver film to the emission of a dye-doped polymer deposited onto this metal surface, we have observed an 11-fold enhancement of light emission. By patterning the silver layer, we estimate that the plasmon frequency can be tuned to match dye-doped polymer emission frequencies, and even larger emission enhancements as well as extraction efficiencies are expected. Carrier dynami

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"New Materials and Device Designs for Organic Light-Emitting Diodes." Doctoral diss., 2017. http://hdl.handle.net/2286/R.I.44068.

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abstract: Research and development of organic materials and devices for electronic applications has become an increasingly active area. Display and solid-state lighting are the most mature applications and, and products have been commercially available for several years as of this writing. Significant efforts also focus on materials for organic photovoltaic applications. Some of the newest work is in devices for medical, sensor and prosthetic applications. Worldwide energy demand is increasing as the population grows and the standard of living in developing countries improves. Some studies es

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Chein, Chen-Han, and 簡辰翰. "Molecular Emitters Containing Charge Transporting Units for Organic Electroluminescent Devices." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/80479979305008571786.

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博士<br>國立交通大學<br>應用化學系碩博士班<br>99<br>In this thesis, the central idea is to develop materials for OLEDs, which will be utilized in the improvement of electrophosphorescence as well as electrofluorescence. The study is divided into two sub topics as following: (1)Studies of host materials with bipolar characteristics In part A, a solution-processable bipolar material tBu-OXDTFA comprising an electron-rich triphenylamine core and electron-deficient oxadiazole/fluorene peripheries was synthesized. This dendrimer-like molecule not only possesses a high triplet energy but also exhibits excellent film

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Shih, Hung-Hsin, and 施宏欣. "Blue Phosphorescent Emitters and Hosts and Their Application in Organic Electroluminescent Devices." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/78214494881042659951.

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博士<br>國立清華大學<br>化學系<br>95<br>Abstract We have presented the syntheses of more deep blue iridium complexes with using the 3-phenylpyrazole ligands and new third ligands to form the typical cyclometalated (C^N) chelation and typical anionic (N^N) chelation for iridium center, respectively. According to the third ligands (N^N), they can be divided into two series: One is 2-pyridylpyrazole with five-six member rings, the other is 1-imidazolylpyrazole with five-five member rings. Physical properties, including UV-vis absorption, emission spectra in CH2Cl2 or solid crystal at room temperature, and

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LI, MING-CHIN, and 李明晉. "Wide-Bandgap P-Type Organic Emitters for High Efficiency Hybrid Silicon Heterojunction Photovoltaics." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/14164144137677218258.

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碩士<br>國立清華大學<br>光電工程研究所<br>102<br>Silicon solar cells have the advantages of high efficiency and abundant resources on earth.And organic solar cells can be fabricated in low temperature,low-cost solution processes and also has roll-to-roll scalability.Combining the advantages of these two material systems,hybrid solar cells based on organic conjugated polymers and inorganic silicon is a promising alternative to simplify the fabrication processes and reduce the cost,while maintaining a high PCE. In this study,we introduce a co-solvent method to dope a wide band gap poly(9,9-dioctyfluorenyl-2,7

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Santos, Vasco Costa. "Organic Light Emitting Diodes: Photophysics of Thermally Activated Delayed Fluorescence Emitters and Device Characterization." Master's thesis, 2017. http://hdl.handle.net/10362/28218.

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In this thesis, the influence of bromine atoms on the mechanism responsible for the observation of thermally activated delayed fluorescence (TADF) is investigated. Heavy atoms, such as bromine, are well known to promote spin-orbit coupling (SOC), consequently facilitating the transition between singlet and triplet states by intersystem crossing (ISC). For that reason, organic heavy metal complexes are considered organic phosphors because their presence facilitates the radiative decay directly from the triplet state to the ground singlet state, giving origin to the observation of phosphorescenc

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Yen, Chia-Kuo, and 顏嘉國. "Doped Blue and Red Emitters of 9,10-di(2-naphthyl)anthracene in Organic Electroluminescent Device." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/19052896192992522799.

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碩士<br>國立交通大學<br>應用化學系<br>90<br>If we can use one host emitter to excite different guest dopants to get R.G.B. color in organic light emitting devices (OLEDs), it will be a great advantage for full color application. Therefore in this thesis we studied the doping of blue and red guest molecules in a single blue host emitter to demonstrate the feasibility of this idea. Blue EL emission of 9,10-di(2-naphthyl)anthracene (ADN) based emitter in OLEDs is highly dependent upon its emitter thickness and attenuated by the microcavity effect of the emitter. By carefully tuning the emitter thic

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Huang, Sheng-Yang, and 黃勝揚. "Improving uniform dispersion of triplet emitters in multi-layer solution-processed organic light-emitting diodes." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/16213946315865161054.

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Chang, Kai-Wen, and 張凱文. "Investigation of organic light-emitting devices using resonant cavity structure and lasing properties of organic emitters with aggregation induced emission characteristics." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/ynn8d4.

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碩士<br>國立中山大學<br>光電工程學系研究所<br>102<br>The first part of this thesis is concentrated on the color purity performance improvement of blue phosphorescent OLEDs. We integrated a high efficiency blue OLEDs with conducting DBR anodes, then optimized this device by modulating the thickness of organic films. With this configuration, we successfully improved the color purity of the blue-emitting device. The CIE 1931 color coordinate of the blue-emitting device with cavity structure was located at (x,y)= (0.14,0.14), and it of the device with no cavity structure was located at (x,y)=(0.14,0.35). In the se

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MAZZAMUTO, GIACOMO. "Single organic molecules and light transport in thin films." Doctoral thesis, 2016. http://hdl.handle.net/2158/1039433.

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Two important processes are at the base of light-matter interaction: absorption and scattering. The first part of this work focuses on the interaction of light with single absorbers/emitters embedded in thin films. In the second part, diffusion of light through thin films of scattering materials is numerically investigated. Quantum emitters based on organic fluorescent molecules in thin films are investigated in the first part of this thesis. The focus of this work is on the experimental characterization of a specific system consisting of single DBT molecules embedded in a thin crystalline

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DUNG, NGUYEN DUC, and 阮德勇. "Synthesis of graphene and its application for flexible and transparent conductors, organic contaminant absorbents, and electron field emitters." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84328219292705864952.

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博士<br>國立清華大學<br>材料科學工程學系<br>100<br>Graphene is defined as a flat monolayer of sp2-hybridized carbon atoms tightly packed into a two-dimensional (2D) honeycomb structure. This stringently 2D material exhibits a broad range of extraordinary properties, such as excellent electrical and thermal conductivities, and extremely high strength, which hold great promises in a variety of applications in micro/nanoelectronics, composites, and clean energy. Of special interests are the physicochemical properties of graphene materials strongly dependent on synthetic methods, resulting in diverse practical us

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Shen, Mei. "The electrogenerated chemiluminescence of novel organic donor-acceptor emitters as well as study heterogeneous electron transfer kinetics using scanning electrochemical microscopy." Thesis, 2011. http://hdl.handle.net/2152/ETD-UT-2011-08-3838.

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New modalities and novel emitters were investigated for the production of electrogenerated chemiluminescence (ECL). In annihilation ECL, a light-emitting excited state is formed upon reaction of two electrochemically generated species, typically a radical anion and a radical cation. Donor-acceptor (DA) molecules provide a means of generating these two reactive species within the same molecule but where the oxidized and reduced centers are separated; furthermore, they allow one to explore the ECL properties of multiply charged radical ions. Three new efficient ECL-emitting donor-acceptor molecu

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Tseng, Po-Chen, and 曾柏宸. "Efficiency Enhancement of Organic Light-emitting Diodes by Exciplex Sensitized Triplet-triplet Annihilation for Blue Emission and Different Thermally Activated Delayed Fluorescence Emitters." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/ez6y2p.

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碩士<br>國立臺灣大學<br>光電工程學研究所<br>105<br>There are two topics in this thesis. The first one is efficiency enhancement of exciplex sensitized triplet-triplet annihilation (ESTTA) blue organic light emitting diodes (OLEDs). The second one is red, green, blue OLEDs with 9,9''-(2-(1-Phenyl-1H-benzo[d]imidazol-2-yl)-1,3-phenylene)bis(9H-carbazole) (o-DiCbzBz) as the universal host material for thermally activated delayed fluorescence (TADF) emitters. The exciplex was formed at interface of electron donor and acceptor organic materials, then triplet energy transfer (TET) to TTA blue emitter to g

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Chu, Miao-Tsai, and 朱妙采. "Development and application of composite emitter for organic light-emitting devices." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/34916891000151798193.

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碩士<br>國立交通大學<br>平面顯示技術碩士學位學程<br>98<br>In this thesis, we introduce a concept of “composite emitter” for applying on organic light-emitting devices (OLEDs). The composite emitter is doping a carrier-transporting material into conventional host-guest emitter for promoting the transport of carriers from carrier-transporting layer into emitter to increase the efficiency and decrease the driving voltage of OLED. Especially, the composite emitter can apply to blue phosphorescent OLED which need to use a wide-bandgap host material; in additional to we also apply this concept to the green phosphoresce

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Ting, Lee Meng, and 李孟庭. "Development and Application of Blue Guest-Host Emitter for Organic Electroluminesncet Devices." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/00937054042688579793.

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博士<br>國立交通大學<br>應用化學系所<br>94<br>In this thesis, development of blue-doped organic light-emitting device (OLED) is the major subject, which has been applied in the fabrication of white OLED as well as improvement of the device stability. The study is divided into four sub topics as following: (1) Light-blue OLED: A highly efficient and stable blue OLED based on a distyrylamine (DSA) dopant, p-bis(p-N,N-diphenyl-aminostyryl)benzene (DSA-Ph) in a morphologically stable blue host material, 2-methyl-9,10-di(2-naphthyl)- anthracene (MADN) was demonstrated, which achieved an EL efficiency of 9.7 cd/A

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Yang, Chi-Yu, and 楊基佑. "Organic and Hybrid Light Emission Devices Utilizing Delay Fluorescent and Quantum-Dot Emitter." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/4ge95k.

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碩士<br>國立交通大學<br>光電工程研究所<br>104<br>In this thesis, We studied the device engineering and photophysical properties of delay fluorescent materials, quantum dots and inorganic halide perovskite light-emitting devices. In the introduction, We briefly reviewed the applications and current development of organic light-emitting diodes (OLEDs) for solid-state lighting and display. In the second chapter, We reviewed the history of OLEDs, and their operating principles and measurement methodology. In the third chapter, We investigated two novel excimer-formation materials, and studied the characteristics

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Chen, Hsi-An, and 陳璽安. "Study of Composite-emitter with Graded-connecting layer in Organic Light-emitting Diodes." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/47999531876264204080.

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碩士<br>國立交通大學<br>顯示科技研究所<br>100<br>We introduced novel fabrication method and a composite emitter structure with graded-connecting layer (CG-EML) for OLED by utilizing a conventional R&D thermal-evaporation coater. Hole-transporting NPB/electron-transporting BAlq doped with green fluorescence C545T was selected as the composite system of mixed hosts and guest materials of study to demonstrate the advantages and attributes of the CG-EML OLED. Compared with conventional bi-layer (B-EML), composite-emission layer (C-EML) and graded-emission layer (G-EML) devices, the current efficiency and the lif

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林佑星. "Highly Efficient Yellow Organic Light Emitting Diode with a Novel Iridium Complex Emitter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/65823334264162118731.

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碩士<br>國立清華大學<br>材料科學工程學系<br>101<br>Yellow emission is crucial in RGBY display technology and in fabricating physiologically-friendly low color temperature lighting source. Emitters with both wet- and dry-process feasibility are highly desirable to fabricate, respectively, high quality devices via vapor deposition and cost effective large area-size devices via roll-to-roll fabrication. We demonstrate in this report high-efficiency organic light-emitting diodes with a novel wet- and dry-process feasible yellow emitting iridium complex, bis[5-methyl-7-fluoro-5H- benzo(c)(1,5) naphthyridin- 6-one]

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Lee, Jhen-De, and 李振德. "High-Efficiency Organic Light Emitting Diodes Based on a Thermally Activated Delayed Fluorescence Emitter." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/a3h2v6.

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碩士<br>國立臺灣海洋大學<br>光電科學研究所<br>103<br>In this thesis, we study about the thermally activated delayed fluorescence (TADF) light emitting devices. TADF enables triplet excitons to up-convert to emissive singlet excitons through effective reverse intersystem crossing (RISC) to reach 100 % exciton harvesting ability. As a result, TADF has evolved to be the most feasible EL mechanism for the next-generation OLED in replace of the high-cost PhOLEDs. In first part, we reported two TADF host materials (pCNCz and pCNCz-PH) to evaluated the performance of OLEDs containing the dopants 4CzIPN (green emissio

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WANG, YI-AN, and 王亦安. "Characterization of Air Pollutants Emitted from Burning Organic Sludge Induced Fuels." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/vt68w8.

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碩士<br>萬能科技大學<br>環境工程研究所<br>106<br>In this study, both the theoretical prediction method and the experimental method were applied to assess the concentration variationof air pollutants in combustion exhausted gas emitted from burning sludge induced fuel under batch and non-control combustion conditions. The theoretical method is based on the molecular collision frequency theory and the general combustion theory for air-to- fuel ratio equal or greater than 1.0. In general, the predicted concentrations and their variation trends of CO、NO、CH4、NH3、H2S seem reasonal. Hence, the prediction method est

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Li, Chieh-Ju, and 李倢如. "Highly Efficient Green Organic Light Emitting Diode with a Novel Solution Processable Iridium Complex Emitter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/15153884505259559726.

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碩士<br>國立清華大學<br>材料科學工程學系<br>101<br>Green light is both the major component for the fabrication of multi-band composing white light and the key color of the typical RGB full-color technology. Moreover, it is also the most critical composition for the highly efficient white light since luminous sensitivity of human eyes is the highest with green light. Therefore, innovatively developing a high-efficiency green device is quite crucial. For the organic light emitting diodes (OLEDs), on the other hand, solution process is a promising technology to realize roll-to-roll production and to achieve low-

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Wu, Hsin-Ching, and 吳信慶. "Characteristics of organic indicators and particle number concentrations emitted from incense burning." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/7qz8m7.

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碩士<br>嘉南藥理科技大學<br>環境工程與科學系暨研究所<br>99<br>Incense burning is an important ritual to pray to worship the gods or ancestors for people in Asia. This study focused on the emission properties of selected different types and kinds of incense burning. The incenses were divided into four incenses with stick, the other four incenses without stick. Additionally, three kinds of Thailand incenses were also studied. Totally, there are 11 kinds of incense to discuss. Particles released from different burning incense ranged of 17.3-80.2 mg-particle g-1-incense. Organic carbon compounds which accounted for all

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Makarow, Ramona Irina Gloria Fanny. "Identification of the specific volatile organic compounds emitted by Anoplophora glabripennis (Moschulsky)." Thesis, 2020. http://hdl.handle.net/21.11130/00-1735-0000-0005-137F-8.

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Liu, Po Hung, and 劉柏宏. "The particulate and its soluble organic fraction emitted from a heavy diesel vehicle." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/24320076205796531538.

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碩士<br>嘉南藥理大學<br>環境工程與科學系<br>102<br>This study is to understand the emission differences of total particulate pollutant (TSP) before and after improving the exhausting pollution of the diesel vehicles and the ratio of the soluble organic fraction (SOF) and insoluble organic fraction (IOF) in the particulate pollutant and the differences in the four different engine operating condition and the situation of the gaseous pollutants. In the differences of emission, the exhausting rate before improving were 54.9%, 46.7%, 63.9%, and 11.1%; after improving, it was declined to 11.3%, 8.0%, 25.3%, and 0.

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Chen, Chi-Wei, and 陳奇蔚. "Study on Pollution Control Cost of Volatile Organic Compounds Emitted from Semiconductor Industry." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/22097368367273926437.

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碩士<br>元智大學<br>機械工程學系<br>95<br>In order to conform to the environmental protection regulations, most of the semiconductor industry set up the pollution control units to eliminate the acidic and alkali exhausts, as well as volatile organic compounds (VOCs). However, the capital cost of the zeolite rotary adsorber systems is generally over ten million dollars, and it is also expensive for that of activated carbon adsorber devices. Although the wet scrubbers are inexpensive compared to the above two equipments, much more units are required and the total maintenance costs are higher. Therefore, thi

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Hsieh, Yao-Ching, and 謝曜璟. "Achieving at very high luminance an extraordinarily efficient red organic light emitting diode with a novel fluorescent emitter." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/01790561705777895976.

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碩士<br>國立清華大學<br>材料科學工程學系<br>100<br>We demonstrate at a very high luminance an extraordinary high-efficiency red fluorescent organic light emitting diode (OLED) by using a novel red emitter, 3-(N,N-diphenylamino)-7-di(cyanoyl)-5,5 -spirofluorenyl-5H-dibenzo [a,d] cycloheptene (N-STIF-DCN).The device exhibits, at 33,000 cd/m2 for example, a major peak at 612 nm with an external quantum efficiency of 8.5% with 13.6 cd/A and 3.0 lm/W, The high efficiency oberserved at the extremely high brightness may be attributed to four efficiency-effective architectural factors of the device designed as well a

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Yang, Yu-Min, and 楊喻閔. "High-Efficiency Wet- and Dry-Processed Green Organic Light Emitting Diodes with a Novel Iridium Complex Based Emitter." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/03431687167127634632.

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碩士<br>國立清華大學<br>材料科學工程學系<br>101<br>High efficiency green emission is crucial to the designs of energy-saving display and lighting. Efficient electroluminescent green emitters with both wet- and dry-process feasibility is highly desirable in order to realize, respectively, cost-effective large roll-to-roll manufacturing and high performance products. We demonstrate in this study high efficiency phosphorescent green organic light-emitting diodes with a novel iridium complex, bis[5-methyl-8-trifluoromethyl-5H-benzo(c)(1,5)naphthyridin- 6-one] iridium (acetyl acetonate), possessing both wet- and d

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