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Relevant bibliographies by topics / Cross-conjugated polymers

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Academic literature on the topic 'Cross-conjugated polymers'

Author: Grafiati

Published: 6 September 2023

Last updated: 31 July 2025

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Journal articles on the topic "Cross-conjugated polymers"

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Xia, Hongyan, Chang Hu, Tingkuo Chen, Dan Hu, Muru Zhang, and Kang Xie. "Advances in Conjugated Polymer Lasers." Polymers 11, no. 3 (2019): 443. http://dx.doi.org/10.3390/polym11030443.

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This paper provides a review of advances in conjugated polymer lasers. High photoluminescence efficiencies and large stimulated emission cross-sections coupled with wavelength tunability and low-cost manufacturing processes make conjugated polymers ideal laser gain materials. In recent years, conjugated polymer lasers have become an attractive research direction in the field of organic lasers and numerous breakthroughs based on conjugated polymer lasers have been made in the last decade. This paper summarizes the recent progress of the subject of laser processes employing conjugated polymers,

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Xie, Ruihao, Zhiming Chen, Yan Liu, et al. "Cross-conjugated n-type polymer acceptors for efficient all-polymer solar cells." Chemical Communications 54, no. 18 (2018): 2204–7. http://dx.doi.org/10.1039/c7cc09348a.

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Youm, Sang Gil, Mitchell T. Howell, Chien-Hung Chiang, et al. "Precision Synthesis of Conjugated Polymer Films by Surface-Confined Stepwise Sonogashira Cross-Coupling." Molecules 29, no. 22 (2024): 5466. http://dx.doi.org/10.3390/molecules29225466.

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Thin films of poly(arylene ethynylene)-conjugated polymers, including low-energy-gap donor–acceptor polymers, can be prepared via stepwise polymerization utilizing surface-confined Sonogashira cross-coupling. This robust and efficient polymerization protocol yields conjugated polymers with a precise molecular structure and with nanometer-level control of the organization and the uniform alignment of the macromolecular chains in the densely packed film. In addition to high stability and predictable and well-defined molecular organization and morphology, the surface-confined conjugated polymer c

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Zhang, Zhen, and Yang Qin. "Cross-conjugated poly(selenylene vinylene)s." Polymer Chemistry 10, no. 8 (2019): 1018–25. http://dx.doi.org/10.1039/c8py01555d.

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Poly(selenylene vinylene) (PSV) is a close analog to the extensively studied poly(thienylene vinylene) (PTV) polymers, and possesses unique properties originating from the larger, more polarizable Se atoms.

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Nakajima, Kuniharu, та Hiromasa Goto. "Preparation of Network π-Conjugated Copolymers with Ullmann Type Polycondensation". International Letters of Chemistry, Physics and Astronomy 25 (січень 2014): 33–38. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.25.33.

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Ullmann type polycondensations in the presence of CuI and a base were carried out to afford network type π-conjugated copolymers. Infrared absorption spectroscopy measurements and surface observation using a scanning electron microscopy are carried out. Electron spin resonance spectroscopy measurements revealed that the cross-linked copolymers thus obtained contain small amount of copper. This polymerization conveniently allows production of network π-conjugated polymers. The polymer can be expected to have thermo-resistance.

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Nakajima, Kuniharu, та Hiromasa Goto. "Preparation of Network π-Conjugated Copolymers with Ullmann Type Polycondensation". International Letters of Chemistry, Physics and Astronomy 25 (10 січня 2014): 33–38. http://dx.doi.org/10.56431/p-pmm6t5.

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Ullmann type polycondensations in the presence of CuI and a base were carried out to afford network type π-conjugated copolymers. Infrared absorption spectroscopy measurements and surface observation using a scanning electron microscopy are carried out. Electron spin resonance spectroscopy measurements revealed that the cross-linked copolymers thus obtained contain small amount of copper. This polymerization conveniently allows production of network π-conjugated polymers. The polymer can be expected to have thermo-resistance.

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Chuyko, I. A., P. A. Troshin, S. A. Ponomarenko, and Yu N. Luponosov. "Polymers based on triphenylamine: synthesis, properties, and applications." Russian Chemical Reviews 94, no. 1 (2025): RCR5152. https://doi.org/10.59761/rcr5152.

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Conjugated polymers based on triphenylamine are a class of organic semiconductor compounds that are used in a variety of devices within the field of organic and hybrid optoelectronics, owing to a number of properties inherent in these polymers, including high hole mobility, pronounced luminescence, high stability, and the ability to form films from solutions. The modern methods of organic and polymer synthesis allow the implementation of a variety of molecular designs for these polymers, ranging from simple conjugated macromolecules to copolymers with intricate branched and cross-linked struct

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Sugiyasu, Kazunori, Masayuki Takeuchi, Ryota Inoue, Ryo Shomura, and Yoshitaka Matsushita. "Synthesis and Redox Behavior of a Sheathed Cross-Conjugated Polythiophene." Synlett 29, no. 19 (2018): 2557–61. http://dx.doi.org/10.1055/s-0037-1611021.

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Control over the electronic structure in π-conjugated polymers is of great importance for the development of organic electronics and spintronics. In this study, we synthesized a sheathed cross-conjugated polythiophene through oxidative electrochemical polymerization. Spectroelectrochemistry has revealed that unlike linearly conjugated polythiophenes, polarons were confined in the repeating units that were segmented by cross-conjugation.

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Xu, Bubin, Yongchun Pan, Jianheng Zhang, and Zhonghua Peng. "Syntheses and optical properties of conjugated polymers containing cross-conjugated oxadiazole units." Synthetic Metals 114, no. 3 (2000): 337–45. http://dx.doi.org/10.1016/s0379-6779(00)00271-x.

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Tsegaye, Tadesse. "Application of Conjugated Organic Polymers for Photovoltaic's: Review." Journal of Physical Chemistry & Biophysics 8, no. 1 (2018): 01–06. https://doi.org/10.5281/zenodo.14848218.

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Photovoltaic effect is the emergence of a voltage between electrodes attached to a solid or liquid system up on shining light on to this system. Conjugated polymer is a molecular entity whose structure is represented as a system of alternating single and double bonds which give rise to their semi-conductor properties. Conjugated polymers are used for photovoltaic devices because, intrinsically stable up on photoexcitation with visible light, High absorption cross-section for photon harvesting, Tunable band gap with in the entire visible spectral range and High yield of charge generation when m

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Dissertations / Theses on the topic "Cross-conjugated polymers"

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Elmalem, Einat. "Synthesis of π-conjugated polymers via Suzuki cross-coupling polymerization". Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.608242.

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Qiu, Yunyan. "Diversifying Catalysts, Monomers, Cross-Coupling Strategies and functional Groups in the Controlled Synthesis of Conjugated Polymers." Research Showcase @ CMU, 2016. http://repository.cmu.edu/dissertations/1043.

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The ability to precisely incorporate monomers into polymeric materials grants polymer chemists access to a variety of complex architectures. These materials are commonly prepared by living chain-growth polymerization techniques which have revolutionized the field of polymer synthesis. Catalyst-transfer polycondensation (CTP) is one of those chain-growth methods to afford well-defined conjugated polymers. Serving as active components in most of optoelectronic devices, conjugated polymers prepared by CTP exhibit improved device performance due to uniform polymeric structures. Some promising feat

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Ayuso, Carrillo Josue. "Low cost, more efficient, and less toxic synthetic routes to conjugated polymers." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/low-cost-more-efficient-and-less-toxic-synthetic-routes-to-conjugated-polymers(ee15f7a0-39da-46e8-b512-ff3fb33e4f06).html.

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As key components of flexible organic electronics, the synthesis of polythiophenes via less toxic and more cost-effective routes is demanded. An efficient synthetic route for the production of thienyl-containing homopolymers and copolymers has been developed. The synthetic approach consists of: i) the synthesis in high yield and high purity of thienyl borane monomers protected with N-methyliminodiacetic acid (MIDA) via C-H electrophilic borylation. This reaction uses a combination of inexpensive reagents BCl3, AlCl3, and 2,6-dichloropyridine (Cl2Py) for the regioselective electrophilic aromati

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Wilson, James Norbert. "Phenyleneethynylenes: Structure, Morphology and Photophysical Properties of Novel Pi Systems." Diss., Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/4926.

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The syntheses of novel poly(paraphenyleneethynylene)s, PPEs, and poly(aryleneeethynylene)s, PAEs, as well as hybrid poly(paraphenyleneethynylene)- poly(paraphenylenevinylene)s, PPE-PPVs, are presented. Fluorescent PPEs decorated with biologically relevant ligands are utilized in model biosensing schemes. PPE-PPV hybrids, as well as their highly emissive oligomeric, cruciform model compounds are studied in an effort to modify the bandgap of the parent PPE backbone. Improved hole and electron injection capabilities are demonstrated with these hybrid conjugated materials. Structural variation

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Janakiraman, Umamaheswari. "Analysis of electrogenerated chemiluminescence of PPV type conducting polymers." Doctoral thesis, [S.l. : s.n.], 2003. http://deposit.ddb.de/cgi-bin/dokserv?idn=968755305.

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Awada, Hussein. "Elaboration des matériaux hybrides, organiques/ oxydes métalliques pour le photovoltaique organique." Thesis, Pau, 2014. http://www.theses.fr/2014PAUU3016/document.

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The performance and life time of organic solar cells are critically dependent on the properties of active layer materials and device interfaces. In this manuscript, we developed new organic-inorganic hybrid materials to create intimate contact between donor and acceptor phases and facilitate the interfacial electronic charge transfer through the device. First, the synthesis of versatile triethoxysilane-terminated poly(3-hexylthiophene) P3HT for direct anchoring (grafting-onto) in one step procedure to various metallic oxides was reported. Electro-optical analysis showed an efficient charge tra

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Chen, Wei-yu, and 陳威宇. "Synthesis and Photovoltaic Properties of Maleimide Containing Cross-linked Conjugated Polymers." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/85569088200102796394.

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碩士<br>雲林科技大學<br>化學工程與材料工程研究所<br>98<br>A series of crosslinkable maleimide/thiophene based conjugated polymers with different contents of hydroxyl group containing side chains have been synthesized by the Suzuki coupling reaction. The crosslinkable maleimide/thiophene based conjugated polymers (TM2C41, TM2C21, TM6C41, TM6C21) were reaction with 3,3''-dimethyl-4, 4''-biphenylene diisocyanate by thermal crosslinked in solution state to formed cross-linked polymers (STM2C41, STM2C21, STM6C41, STM6C21), and cross-linked in film solid state to formed cross-linked polymers (FTM2C

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Sharma, Bhavna. "Synthesis of fluorene and cyclopentadithiophene based donor-acceptor type low band gap cross-conjugated polymers for solar cell applications." Thesis, 2017. http://localhost:8080/xmlui/handle/12345678/7469.

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Chen, Ting-Chih, and 陳亭芝. "Synthesis of Cross-Conjugated and Low Band-Gap Polymers and Their Applications in Organic Solar Cells." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/41644673702408432302.

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碩士<br>國立交通大學<br>應用化學研究所<br>98<br>In recent years, polymer solar cells (PSCs) have been attracting considerable attention for many advantages, such as low cost, light weight, easy fabrication and their potential application in large area flexible devices. Since the discovery of the photovoltaic effect in bulk heterojunction (BHJ) devices, the considerable publications in PSCs have been reported. PSCs based on the concept of bulk heterojunction (BHJ) configuration where an active layer comprises of a p-type donor (conjugated polymer) and an n-type acceptor (fullerene derivative) materials, repre

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Faukner, Tomáš. "Iontové polymery a polymerní sítě polyacetylenického typu připravené metodou kvaternizační polymerizace." Doctoral thesis, 2016. http://www.nusl.cz/ntk/nusl-353396.

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(Doctoral Thesis, 2016, Mgr. Tomáš Faukner, IONIC POLYACETYLENE TYPE POLYMERS AND POLYMER NETWORKS BY CATALYST FREE QUATERNIZATION POLYMERIZATION) The composition and structure of a series of ionic π-conjugated poly(monosubstituted acetylene)s prepared via catalyst-free quaternization polymerization (QP) of 2-ethynylpyridine (2EP) activated with equimolar amount of alkyl halide [RX = ethyl bromide, ethyl iodide, nonyl bromide and haxadecyl (cetyl) bromide] as a quaternizing agent (QA) have been studied in detail. The performed QPs gave ionic polymers well soluble in polar solvents, with approx

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Book chapters on the topic "Cross-conjugated polymers"

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Rasmussen, Seth C. "Polythiophene." In The Origins and Early History of Conjugated Organic Polymers. Oxford University PressNew York, NY, 2025. https://doi.org/10.1093/9780197638194.003.0006.

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Abstract This chapter presents the history of polythiophene over the period from 1980 to 1988. Although the history of polythiophene does not date back as far as the other conjugated polymers discussed in the previous chapters, a significant amount of work was reported quickly following its introduction in 1980. As the polymer is dependent on the availability of thiophene, the chapter begins with an overview of the discovery and production of this heterocycle, as well as early efforts to polymerize thiophene by acid treatments. The history of conjugated polythiophene is then discussed beginnin

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Rasmussen, Seth C. "Polyphenylene and poly(phenylene vinylene)." In The Origins and Early History of Conjugated Organic Polymers. Oxford University PressNew York, NY, 2025. https://doi.org/10.1093/9780197638194.003.0004.

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Abstract This chapter presents the history of polyphenylene over the period from 1949 to 1978, and poly(phenylene vinylene) (PPV) over the period from 1960 to 1977. As these materials are dependent on the availability of benzene and its halogenated derivatives, the chapter begins with an overview of the discovery and isolation of benzene before introducing the first production of polyphenylene by Goldfinger in 1949. Highlights in the history of polyphenylene include the earliest known halogen doping of a neutral conjugated polymer and the first application of Kumada cross-coupling to the synth

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Nyayachavadi, Audithya, and Simon Rondeau-Gagné. "Cross-linking strategies for π-conjugated polymers in organic electronics." In Stretchable Electronics. De Gruyter, 2024. https://doi.org/10.1515/9783110757286-002.

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Conference papers on the topic "Cross-conjugated polymers"

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Wallikewitz, Bodo, Matthias de la Rosa, Dirk Hertel, Klaus Meerholz, Aurelie Falcou, and Heinrich Becker. "Amplified Spontaneous Emission of Cross-linkable Conjugated Polymers." In Frontiers in Optics. OSA, 2005. http://dx.doi.org/10.1364/fio.2005.stua2.

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Blanchard, G. J., and J. P. Heritage. "Picosecond Stimulated Raman Measurement of Enhanced Optical Nonlinearities in a Conjugated Polymer." In International Conference on Ultrafast Phenomena. Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.tha4.

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Conjugated polymers are of fundamental interest because they are model 1-dimensional semiconductors. They are also attractive candidate materials for nonlinear optical signal processing applications,[1] [2] [3] and they differ from 2-D III-V materials in one important way. The cross-sections of ground state fundamental vibration-to-exciton transitions are large for conjugated polymers, whereas they are typically small for III-Vs. The phonon-mediated nonlinear responses of each of these systems is determined by how strongly their phonons are coupled to the exciton resonance.

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Wone, T. K. S., Y. L. Lam, Y. C. Chan, X. Hu, and H. Liu. "Ultraviolet Laser Lithography of Conjugated Polythiophene Thin Films." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1998. http://dx.doi.org/10.1364/cleo_europe.1998.cthh79.

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The lithographic patterning of conjugated polymer thin films is important for both device applications such as light emitting diodes and for microlithography. Previous patterning methods which include selective photoelectrochemical deposition and scanning electrochemical microscopy were limited by either the small size of the pattern or the need for photoconductive substrates. In this presentation, we demonstrate that conjugated polymers from the polythiophene series can be patterned directly (without resist) by using the 325nm ultraviolet (UV) radiation from a helium cadmium (He-Cd) laser. Th

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Marin-Beloqui, Jose Manuel, Kealan Fallon, Hugo Bronstein, and Tracey Clarke. "Donor and Acceptor Character in a Cross-Conjugated Polymer: a Transient Absorption Spectroscopy Study." In 10th International Conference on Hybrid and Organic Photovoltaics. Fundació Scito, 2018. http://dx.doi.org/10.29363/nanoge.hopv.2018.124.

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Illera Perozo, Danny, Humberto Gómez Vega, and Julian Yepes Martínez. "Synthesis and Characterization of Conjugated-Polymer/Graphene/Nanodiamond Nanocomposite for Electrochemical Energy Storage." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-51982.

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The synthesis and characterization of Polyaniline/Graphene/ Nanodiamond Nanocomposite is reported. The resulting materials were synthetized following a polymerization in situ scheme and characterized by Fourier Transform Infrared Spectroscopy (FTIR), Thermogravimetry (TGA), Differential Scanning Calorimetry (DSC), Scanning Electron Microscopy (SEM) and Cyclic Voltammetry (CV). The effect of different loads of graphene and nanodiamond on the resulting nanocomposite was studied. Despite the presence of the host materials, the formation of Polyaniline polymer is successfully accomplished for all

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ANILAL, ASHISH, JUSTIN BENDESKY, SEHEE JEONG, STEPHANIE S. LEE, and MICHAEL BOZLAR. "EFFECTS OF GRAPHENE ON TWISTING OF HIGH DENSITY POLYETHYLENE." In Proceedings for the American Society for Composites-Thirty Seventh Technical Conference. Destech Publications, Inc., 2022. http://dx.doi.org/10.12783/asc37/36468.

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High density polyethylene (HDPE) is known to form banded spherulites when crystallized from the melt. In such spherulites, concentric bands of alternating light and dark colors emanating from the spherulite nucleation center are observable between cross polarizers and appear as a function of the anisotropy of the dielectric susceptibility as crystal orientations continuously rotate about the growth direction. Recently, we identified PE to be a promising compound to induce twisting in conjugated carbonaceous systems, such as triisopropylsilylethynyl anthradithiophene (TIPS ADT). When blended to

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