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Dissertations / Theses on the topic 'Copper phthalocyanine'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Topuz, Burcu Berna. "Synthesis And Characterization Of Copper Phthalocyanine Deposited Mica Titania Pigment." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12611519/index.pdf.

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In the present work, anatase and rutile titanium dioxide (TiO2) coated lustrous mica pigments were prepared by heterogeneous nucleation method. Anatase-rutile phase transformation of the TiO2 on mica substrate was achieved by coating very thin layers of tin (IV) oxide on mica surfaces prior to TiO2 deposition. Muscovite mica, which was used in the experiments was sieved, pre-treated with sodium bicarbonate and decantated before coating process. The surface morphology of mica titania pigments and anatase-rutile phase transformation were investigated by SEM and XRD analyse, respectively. Also, m

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2

Marda, Sandeep Kumar. "PHOTOVOLTAIC CELLS BASED ON COPPER PHTHALOCYANINE AND CADMIUM SULFIDE HETEROJUNCTION." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_theses/557.

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This work focuses on the solar cell based on the heterostructure formed between Copper Phthalocyanine (CuPc) and Cadmium Sulfide (CdS). Two different fabrication techniques were used for depositing the organic and inorganic layers of CuPc and CdS layers respectively. CuPc was deposited by electrodeposition while CdS was deposited by chemical bath deposition. Hybrid CdS/CuPc thin films were obtained from CdS films grown on Glass/ITO by chemical bath deposition followed by electrodeposition of CuPc onto these films and annealing at 250˚C after the deposition of each layer. The maximum open circu

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3

Starke, Thomas. "Gas sensing applications of phthalocyanine thin films." Thesis, Nottingham Trent University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312313.

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4

Din, Salahud. "Copper phthalocyanine (CuPc) thin films and nanostructures : growth and device applications." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/11058.

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The development and utilisation of phthalocyanine (Pc) materials for practical applications has been subject of intense research due to their desirable optical, electrical, and recently discovered magnetic properties. Typically, in crystalline organic materials the charge transport, light absorption and magnetisation are anisotropic and strongly depend on structure, morphology and molecular orientation. Hence, an understanding of growth mechanism and controlled fabrication of thin films and nanostructures is essential for tailoring properties desirable for specific applications. e.g., for OFET

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5

Chintakula, Goutam. "SCHOTTKY DIODES ON COPPER PHTHALOCYANINE NANOWIRE ARRAYS EMBEDDED IN POROUS ALUMINA TEMPLATES." UKnowledge, 2008. http://uknowledge.uky.edu/gradschool_theses/556.

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Vertically aligned nanowire arrays of copper phthalocyanine (CuPc) and CuPc-Al Schottky diodes, of controllable diameter and length were fabricated by cathodic electrodeposition of CuPc into anodized alumina (AAO) templates, followed by annealing at 300 ºC in Argon. AAO over Aluminum tape and that over ITO-glass were both used as starting templates for the device fabrication. Depending on the dimensions of the starting AAO template, diameters of CuPc nanowires ranged from 30 nm to 40 nm and the lengths ranged from 500 nm to 1 μm. The temperature dependence of the phase and the absorption spect

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6

Willis, Michael J. "Structural and polymorphic considerations on the effects of copper phthalocyanine pigment on polypropylene." Cincinnati, Ohio University of Cincinnati, 2007. http://www.ohiolink.edu/etd/view.cgi?ucin1179176317.

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Thesis (M.S.)--University of Cincinnati, 2007.<br>Title from electronic thesis title page (viewed July 18, 2007). Includes abstract. Keywords: polypropylene; nucleation; spherulite; copper phthalocyanine; pigment Includes bibliographical references.

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7

WILLIS, MICHAEL J. "STRUCTURAL AND POLYMORPHIC CONSIDERATIONS ON THE EFFECTS OF COPPER PHTHALOCYANINE PIGMENT ON POLYPROPYLENE NUCLEATION." University of Cincinnati / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1179176317.

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8

Miller, Nicholas A. II. "Role of oxygen and water absorption on charge transport in copper phthalocyanine thin films." Thesis, California State University, Long Beach, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10164121.

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<p>Organic semiconductors have been studied thoroughly and are well understood, though the effects in which oxygen and humidity have on them are less well known. In this thesis we immerse copper phthalocyanine thin films deposited at two different substrate temperatures and with two different thicknesses to an environment with oxygen pressures from 10 mbar to 210 mbar and water vapor pressures from 5 mbar to 13 mbar. The conductivity of our thin films at atmospheric oxygen and water pressure ranged from as high as 6:7 × 10<sup>−4</sup> S/m and as low as 9:6 × 10<sup>−5

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9

Siegert, Benjamin [Verfasser], Milena [Akademischer Betreuer] Grifoni, and Jascha [Akademischer Betreuer] Repp. "STM transport through copper phthalocyanine on thin insulating films / Benjamin Siegert. Betreuer: Milena Grifoni ; Jascha Repp." Regensburg : Universitätsbibliothek Regensburg, 2015. http://d-nb.info/1080609784/34.

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10

Hassan, Aseel Kadhim. "Studies in electronic conduction processes in organic semiconducting thin films of copper phthalocyanine prepared by evaporation." Thesis, Keele University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306847.

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11

Kraus, Michael [Verfasser], and Wolfgang [Akademischer Betreuer] Brütting. "Charge carrier transport in organic field-effect devices based on copper-phthalocyanine / Michael Kraus. Betreuer: Wolfgang Brütting." Augsburg : Universität Augsburg, 2011. http://d-nb.info/1077700180/34.

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12

Grobosch, Mandy. "Experimentelle Bestimmung der elektronischen Eigenschaften anwendungsrelevanter Grenzflächen organischer Halbleiter mittels Photoelektronenspektroskopie." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1245078865618-45903.

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Diese Dissertation unter dem Titel Experimentelle Bestimmung der elektronischen Eigenschaften anwendungsrelevanter Grenzflächen organischer Halbleiter mittels Photoelektronenspektroskopie wurde am Leibniz Institut für Festkürper- und Werkstoffforschung (IFW) Dresden am Institut für Festkörperforschung (IFF) unter der Betreuung von Prof. Dr. B. Büchner angefertigt. Zur wissenschaftlichen Untersuchung kamen hierbei zwei Typen anwendungsrelevanter Grenzflächen. Zum einem wurde der Einfluss einer Elektrodenpräparation unter Normalbedingungen mittels ex-situ Reinigungsverfahren im Vergleich zu insi

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13

Jayasinghe, Aroshan Park Kenneth T. "Fabrication of a single layer organic photovoltaic device based on an indium-tin-oxide/copper phthalocyanine/aluminum heterostructure." Waco, Tex. : Baylor University, 2006. http://hdl.handle.net/2104/4855.

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14

Ghani, Fatemeh. "Nucleation and growth of unsubstituted metal phthalocyanine films from solution on planar substrates." Phd thesis, Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2013/6469/.

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Organic solar cells (OSC) are interesting as low cost alternative to conventional solar cells. Unsubstituted Metal-phthalocyanines (Pc) are excellent electron donating molecules for heterojunction OSC. Usually organic solar cells with Pcs are produced by vapor deposition, although solution based deposition (like spin casting) is cheaper and offers more possibilities to control the structure of the film. With solution based deposition several parameters (like temperature, solvent and etc.) affect the self-organized structure formation via nucleation and growth. The reason why vapor deposition i

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15

Khan, Imran. "Fundamental studies of surface enhanced resonanace raman scattering and the preparation and photodegradation of photolabile copper phthalocyanine pigment precursors." Thesis, University of Strathclyde, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275124.

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16

Vallurupalli, Subhash C. C. "Fabrication and characterization of Schottky diode and heterojunction solar cells based on Copper Phthalocyanine (CuPc), Buckminster Fullerene (C₆₀) and titanium dioxide (TiO₂)." Lexington, Ky. : [University of Kentucky Libraries], 2005. http://lib.uky.edu/ETD/ukyelen2005t00340/Subhash.pdf.

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Thesis (M.S.)--University of Kentucky, 2005.<br>Title from document title page (viewed on November 18, 2005). Document formatted into pages; contains xiv, 101 p. : ill. Includes abstract and vita. Includes bibliographical references (p. 99-100).

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17

Vallurupalli, Subhash C. C. "Fabrication and Characterization of Schottky diode and Heterojunction Solar cells based on Copper Phthalocyanine (CuPc), Buckminster Fullerene (C60) and Titanium Dioxide (TiO2)." UKnowledge, 2005. http://uknowledge.uky.edu/gradschool_theses/260.

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Organic solar cells are cheaper and much easier to fabricate than the conventional inorganic solar cells, but they suffer from low efficiencies due to low carrier mobilities in organic films. In this study Copper Phthalocyanine (CuPc) and Buckminster Fullerene (C60) based Schottky diodes were fabricated on ITO coated glass substrates to study their performance and a study of the effect of thickness on the cell parameters of CuPc Schottky diodes was made. Also, TiO2 based devices were studied to see the effect of TiO2 layer on the cell parameters. The J-V curves were analyzed for series resista

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18

Svensson, Pamela. "DFT investigations of the donor-acceptor couple CuPc/C60." Thesis, Uppsala universitet, Materialteori, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-297935.

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The donor-acceptor couple CuPc/C60 has been the subject of recent studies in organic solar cells due to its combined abilities in light absorption (CuPc) and charge transport (C60). By better understanding the electronic and geometric nature of the system it is possible to shed light on how the molecules act under different conditions. In this study the geometric properties for three different configurations have been studied by means of Density Functional Theory (DFT). By comparing the molecular structure of pristine CuPc with the structure of CuPc in the presence of C60, a slight elongation

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19

Sintyureva, Marina. "Engineering the phase behaviour of high performance inkjet colorants." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/engineering-the-phase-behaviour-of-high-performance-inkjet-colorants(0617f94f-7744-4576-9c05-69f659c52545).html.

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Dyes for inkjet printing are typically of the chromonic type. Chromonic mesophases have gained considerable attention as a well-defined group of lyotropic mesogens with different properties from conventional amphiphiles. While extensive research has been dedicated to the field of surfactant liquid crystals, structural and aggregation studies of chromonics have only emerged as a topic of interest within the last few years. The liquid crystalline structures in aqueous solutions of commercial Cu - phthalocyanine and black dyes have been examined using a combination of optical microscopy, UV-vis s

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20

Smith, Jaqueline Margaret. "Microcharacterisation of halogenated copper phthalocyanines using transmission electron microscopy." Thesis, University of Glasgow, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.241835.

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21

Granet, Julien. "Étude de l’effet Kondo au sein d’auto-assemblages de phtalocyanines par spectroscopie tunnel et photoémission." Thesis, Université de Lorraine, 2018. http://www.theses.fr/2018LORR0029/document.

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Au cours de cette thèse, nous nous sommes intéressés à l'effet Kondo moléculaire au sein de réseaux supramoléculaires bidimensionnels en contact avec des surfaces métalliques monocristallines. Les techniques mises en oeuvre sont la diffraction d'électrons lents (LEED) et la microscopie à effet tunnel (STM) pour l'étude de la croissance ainsi que la spectroscopie à effet tunnel (STS) et la photoémission pour l'étude des propriétés électroniques. Les molécules employées dans le cadre de ce travail sont composées de macrocycles de phtalocyanine et tétraphénylporphyrine. Elles ont été choisies sur

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22

Cox, Jennifer Jane. "Structure of organic molecular thin films vapour deposited on III-V semiconductor surfaces." Thesis, Imperial College London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327025.

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23

Chen, Jun Yan, and 陳俊諺. "Synthesis and characterization of polymeric copper phthalocyanine." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/69227308222695134424.

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24

CHUANG, TZ-YING, and 莊子瑩. "Morphology Study of Mixed Copper Phthalocyanine (CuPC)-Fullerene (C60) Molecular Heterojunction." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/22854276990622623709.

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碩士<br>輔仁大學<br>化學系<br>97<br>In this thesis, we investigated the heterojunction morphology in the small weight molecular solar cells. Copper Phthalocyanine (CuPC), electron donor, and Fullerene (C60), electron acceptor, blend films were fabricated by vacuum co-evaporation and annealing at different temperatures. These films have been characterized by scanning electron microscopy (SEM) and atomic force microscope (AFM). The SEM and AFM images have shown that the aggregation of CuPC and C60 become more serious, and crystals appeared with increased temperature. The results of photoluminance (PL) an

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25

Lin, Chien-Hung, and 林建宏. "A Photoemission Study of Electronic Structures at the calcium / copper phthalocyanine Interface." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/34847165434065690148.

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碩士<br>國立清華大學<br>材料科學工程學系<br>95<br>In this project, we have utilized synchrotron radiation photoemission to investigate how the organic semiconductor CuPc interacts with Ca at different thicknesses. According to our observations, the interaction at the Ca/CuPc interface can be divided into four stages. In stage I, where the evaporation time is less than 15 s, the Ca atoms transfer some charge to CuPc, making both the HOMO and the cutoff shift to high binding energies. In stage II, where the evaporation time is less then 100 s, a new peak appears inside the CuPc gap, while the HOMO and the cutof

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26

Kung, Li-Jen, and 龔立仁. "High-performance organic thin-film transistors with copper phthalocyanine-modified source/drain contacts." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/32671442937312071825.

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碩士<br>國立交通大學<br>顯示科技研究所<br>94<br>The insulator surface treatment transforms the hydrophilic SiO2 surface to hydrophobic one that is more suitable for organic materials deposition. Organic thin-film transistors (OTFTs) modified by poly(��-methylstyrene) (P�埒S) exhibit a high mobility (0.5 cm2/Vs ) with a high on/off ratio ( > 106 ). Copper phthalocyanine (CuPC) has been used as the contact buffer layer to improve the device performance of organic thin-film transistors (OTFTs). By incorporating with 10 nm CuPC, the contact resistance was decreased to 70%, deduced from line-transfer method. The m

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27

Yu, Ting-Shu, and 游定書. "Mixed Organic Thin Films of Copper Phthalocyanine and Rubrene: Characterization and Transistor Application." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/59421581632014195257.

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碩士<br>國立清華大學<br>化學系<br>100<br>Mixed organic semiconducting thin films were prepared by vacuum-depositing copper phthalocyanine (CuPc) and rubrene of different mixing ratio onto oxide-terminated Si(100) wafers that were pre-modified with self-assembled monolayer (SAM) of either octadecyltrichlorosilane (OTS) or 4-phenylbutyltrichlorosilane (4-PBTS). The thin films were characterized by atomic force microscopy (AFM) and various synchrotron-based techniques such as x-ray photoemission spectroscopy (XPS), x-ray diffraction (XRD), and near-edge x-ray absorption fine structure (NEXAFS) spectroscopy

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Tang, Fu-Syong, and 湯富雄. "Thermal annealing effect of copper phthalocyanine on the performance of organic light-emitting diode." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/83968178138068413281.

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29

Hsiao, Jung-Hua, and 蕭榮華. "The study of nitrogen dioxide gas sensing properties of vacuum deposition copper phthalocyanine thin film." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/b7mz7w.

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碩士<br>國立成功大學<br>化學工程學系碩博士班<br>92<br>Copper phthalocyanine was vacuum deposition onto gold electrode. The effects of substrate temperature and post-deposition annealing on the film morphology and crystalline structure were studied. The film characteristics were related to their sensing propertied to NO2. 　　The results show that the CuPc films which deposition at low substrate temperature (Td = 25℃) have fine-grain morphology and the stacking axis (b axis) of CuPc molecules is normal to the substrate. When Td is elevated to 100-200℃, fiber-like morphology was observed, with orientation mainly pa

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30

Chen, Chun-Ming, and 陳俊銘. "A Study on NO Gas Sensing Properties with Lead, Copper, and Nickel Phthalocyanine Thin Films." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/11900162788633234410.

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碩士<br>國立臺灣大學<br>化學工程學系<br>86<br>This study is on the gas-sensing properties of nitric monoxide（NO） with organic semiconductors, such as lead, copper, and nickel phthalocyanines. The metal phthalocyanine thin films were vacuum deposited on sapphire substrates with interdigitated gold electrode and assembled into a sensing head. The sensing head is placed into the gas-sensing chamber for the detection of NO gas. When expose to the NO gas, the films adsorbed gas molecules and cause the change

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31

CHOU, TING-WEI, and 周廷衛. "The Study of Removal Mechanisms in Copper Phthalocyanine by Photocatalyst TiO2 and Activated Carbon in Water." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/75865875352848752171.

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碩士<br>弘光科技大學<br>環境工程研究所<br>104<br>In recent years, the development of electromechanical materials, such as: field effect transistor (FET), semiconductor and optoelectronics were replaced with the organic materials. The organic semiconductor material had high absorption rate, low cost, good flexibility and wide coverage. It was better than inorganic semiconductor material. The organic dye was widely used in the manufacturing process. Because of copper phthalocyanine had a chemical stability, adhesion resistance, light resistance, low production costs and sustain in high temperature, etc. Theref

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32

Lin, Yi-Ting, and 林怡婷. "Fabrication of copper phthalocyanine based organic thin-film transistors with silk fibroin as the gate dielectric." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/96643434023593944382.

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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>In this thesis, we have used silk fibroin as the gate dielectric layer and CuPc as the p-type semiconductor material to fabricate organic thin-film transistors (OTFTs). Experimental parameters include the substrate temperature during thermal deposition, CuPc thickness and the passivation layer. When the depositing substrate temperature is 90℃ and the thickness of CuPc is 45nm, a field-effect mobility value of 0.96 cm2V-1s-1, an on/off ratio of ca. 1.1x103 and a threshold voltage of -2.08V are achieved. AFM and GIXRD were used to characterize the CuPc thin fil

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Chen, Wei-Hung, and 陳威宏. "1.Fabrication of copper phthalocyanine rods on gold nanoparticle films and its application in organic solar cells2.Mechanical properties of biomolecules studies using atomic force microscopy." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/9e9rs5.

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博士<br>國立中興大學<br>化學系所<br>98<br>Two topics are included in this thesis: (1) Fabrication of copper phthalocyanine (CuPc) rods on gold nanoparticle (AuNP) films and its application in organic solar cells. (2) Mechanical properties of biomolecules studies using atomic force microscopy. To improve the performance of CuPc-based photovoltaic devices, we tried to synthesize rod-like CuPc, which was thought to be beneficial to increase the interfacial area, and incorporate AuNP films, which have special optical and electric properties. And we fabricated this cell using electrochemical deposition techniq

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34

Krzywiecki, Maciej. "Studies of CuPc ultra-thin layers deposited on Si(111) native substrates." Praca doktorska, 2010. http://ruj.uj.edu.pl/xmlui/handle/item/41644.

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35

"Charge carrier transport in copper phthalocyannie organic semiconductor." 2004. http://library.cuhk.edu.hk/record=b5891946.

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Tsang Sai-wing.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2004.<br>Includes bibliographical references.<br>Abstracts in English and Chinese.<br>ABSTRACT (ENGLISH) --- p.I<br>ABSTRACT (CHINESE) --- p.III<br>ACKNOWLEDGEMENTS --- p.IV<br>TABLE OF CONTENTS --- p.V<br>Chapter 1. --- INTRODUCTION --- p.1<br>Chapter 2. --- ELECTRONIC STRUCTURE OF ORGANIC SEMICONDUCTORS --- p.6<br>Chapter 2.1 --- Introduction of energy-band diagram in organic semiconductors --- p.7<br>Chapter 2.1.1 --- Organic semiconductors --- p.7<br>Chapter 2.1.2 --- Density of state (DOS) and traps distribution

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Raghuraman, Mathangi. "Threshold Voltage Shift Compensating Circuits in Non-Crystalline Semiconductors for Large Area Sensor Actuator Interface." Thesis, 2014. http://etd.iisc.ac.in/handle/2005/3176.

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Thin Film Transistors (TFTs) are widely used in large area electronics because they offer the advantage of low cost fabrication and wide substrate choice. TFTs have been conventionally used for switching applications in large area display arrays. But when it comes to designing a sensor actuator system on a flexible substrate comprising entirely of organic and inorganic TFTs, there are two main challenges – i) Fabrication of complementary TFT devices is difficult ii) TFTs have a drift in their threshold voltage (VT) on application of gate bias. Also currently there are no circuit simulators in

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Raghuraman, Mathangi. "Threshold Voltage Shift Compensating Circuits in Non-Crystalline Semiconductors for Large Area Sensor Actuator Interface." Thesis, 2014. http://hdl.handle.net/2005/3176.

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Thin Film Transistors (TFTs) are widely used in large area electronics because they offer the advantage of low cost fabrication and wide substrate choice. TFTs have been conventionally used for switching applications in large area display arrays. But when it comes to designing a sensor actuator system on a flexible substrate comprising entirely of organic and inorganic TFTs, there are two main challenges – i) Fabrication of complementary TFT devices is difficult ii) TFTs have a drift in their threshold voltage (VT) on application of gate bias. Also currently there are no circuit simulators in

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