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Author : Nisha Verma
Publisher :
ISBN 13 :
Total Pages : 252 pages
Book Rating : 4.:/5 (865 download)
Download or read book Synthesis, Properties and Supramolecular Self-assembly of Novel N-type Organic Semiconductors written by Nisha Verma and published by . This book was released on 2013 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Quan Li
Publisher : John Wiley & Sons
ISBN 13 : 1118009045
Total Pages : 376 pages
Book Rating : 4.1/5 (18 download)
Download or read book Self-Organized Organic Semiconductors written by Quan Li and published by John Wiley & Sons. This book was released on 2011-03-03 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the exciting topic on self-organized organic semiconductors – from materials to device applications. It offers up-to-date and accessible coverage of self-organized semiconductors for organic chemistry, polymer science, liquid crystals, materials science, material engineering, electrical engineering, chemical engineering, optics, optic-electronics, nanotechnology and semiconductors. Chapters cover chemistry, physics, processing, and characterization. The applications include photovoltaics, light-emitting diodes (LEDs), and transistors.
Author :
Publisher :
ISBN 13 : 9783030021702
Total Pages : 596 pages
Book Rating : 4.0/5 (217 download)
Download or read book Semiconductors written by and published by . This book was released on 2019 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a practical guide to optical, optoelectronic, and semiconductor materials and provides an overview of the topic from its fundamentals to cutting-edge processing routes to groundbreaking technologies for the most recent applications. The book details the characterization and properties of these materials. Chemical methods of synthesis are emphasized by the authors throughout the publication.
Author : Penglei Chen
Publisher : Frontiers Media SA
ISBN 13 : 2889633608
Total Pages : 159 pages
Book Rating : 4.8/5 (896 download)
Download or read book Functional Supramolecular Nanoassemblies of Π-Conjugated Molecules written by Penglei Chen and published by Frontiers Media SA. This book was released on 2020-01-13 with total page 159 pages. Available in PDF, EPUB and Kindle. Book excerpt: Π-conjugated systems of delocalized aromatic electrons along their backbones, including conjugated small molecules, oligomers, polymers, and carbonaceous materials, etc., have received considerable attention from a wide variety of scientific and technical communities. Compared to inorganic materials, the advantages of those based on π-tectons lie in their broad diversity, flexibility, and tunability with regard to structure/geometry/morphology, processability, composition, functionality, electronic/band structure, etc. In terms of sophisticated molecular engineering, these features endow them not only with excellent self-assembly properties but also with unique optical, electrical, mechanical, photophysical, photochemical, and biochemical attributes. This renders them promising scaffolds for advanced functional materials (AFMs) in numerous areas of general interest such as electronics, optics, optoelectronics, photovoltaics, magnetic and piezoelectric devices, sensors, catalysts, biomedicines, and others. With regard to the design/synthesis of novel π-tectons, the launch of diverse assembly/fabrication protocols, theoretical calculations, etc., the past several decades have witnessed tremendous advancements along this direction. Thus far, a vast array of high-performance π-tectons-based AFMs have been initiated. To some extent, the cooperative principle of π-πstacking and other noncovalent interactions has been revealed, and the structure-property relationships have been disclosed. Despite the existing progress, this field still faces challenges, for example: (i) the need for scalable assembly/manufacture under ambient conditions—with low-cost, facile, environmentally-friendly protocols (ii) clearer correlations bridging the underlying intricate relationships of each successive step in assembly/manufacture (iii) corresponding theoretical calculations for guiding the rational design of π-tectons that elucidate the cooperative principle of π-π stacking and other noncovalent interactions, as well as the principle of structure-performance correlation (iv) stability and durability, among the most important concerns regarding their commercialization The advancements accumulated during the past decades have established a solid foundation for the further development of π-conjugated systems-based AFMs. We believe that with unrelenting efforts from both scientific and technical communities of various backgrounds, their practical applications will eventually be fulfilled. This Research Topic aims to address the above-mentioned challenges
Author : Norbert Koch
Publisher : Royal Society of Chemistry
ISBN 13 : 1849738262
Total Pages : 384 pages
Book Rating : 4.8/5 (497 download)
Download or read book Supramolecular Materials for Opto-Electronics written by Norbert Koch and published by Royal Society of Chemistry. This book was released on 2015 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: For years, concepts and models relevant to the fields of molecular electronics and organic electronics have been invented in parallel, slowing down progress in the field. This book illustrates how synthetic chemists, materials scientists, physicists, and device engineers can work together to reach their desired, shared goals, and provides the knowledge and intellectual basis for this venture. Supramolecular Materials for Opto-Electronics covers the basic principles of building supramolecular organic systems that fulfil the requirements of the targeted opto-electronic function; specific material properties based on the fundamental synthesis and assembly processes; and provides an overview of the current uses of supramolecular materials in opto-electronic devices. To conclude, a "what's next" section provides an outlook on the future of the field, outlining the ways overarching work between research disciplines can be utilised. Postgraduate researchers and academics will appreciate the fundamental insight into concepts and practices of supramolecular systems for opto-electronic device integration.
Author : Katsuhiko Ariga
Publisher : Elsevier
ISBN 13 : 0323994733
Total Pages : 648 pages
Book Rating : 4.3/5 (239 download)
Download or read book Materials Nanoarchitectonics written by Katsuhiko Ariga and published by Elsevier. This book was released on 2023-12-15 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials Nanoarchitectonics: From Integrated Molecular Systems to Advanced Devices provides the latest information on the design and molecular manipulation of self-organized hierarchically structured systems using tailor-made nanoscale materials as structural and functional units. The book is organized into three main sections that focus on molecular design of building blocks and hybrid materials, formation of nanostructures, and applications and devices. Bringing together emerging materials, synthetic aspects, nanostructure strategies, and applications, the book aims to support further progress, by offering different perspectives and a strong interdisciplinary approach to this rapidly growing area of innovation. This is an extremely valuable resource for researchers, advanced students, and scientists in industry, with an interest in nanoarchitectonics, nanostructures, and nanomaterials, or across the areas of nanotechnology, chemistry, surface science, polymer science, electrical engineering, physics, chemical engineering, and materials science. Offers a nanoarchitectonic perspective on emerging fields, such as metal-organic frameworks, porous polymer materials, or biomimetic nanostructures Discusses different approaches to utilizing "soft chemistry" as a source for hierarchically organized materials Offers an interdisciplinary approach to the design and construction of integrated chemical nano systems Discusses novel approaches towards the creation of complex multiscale architectures
Author : Martin I. Pech-Canul
Publisher : Springer
ISBN 13 : 3030021718
Total Pages : 590 pages
Book Rating : 4.0/5 (3 download)
Download or read book Semiconductors written by Martin I. Pech-Canul and published by Springer. This book was released on 2019-01-17 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a practical guide to optical, optoelectronic, and semiconductor materials and provides an overview of the topic from its fundamentals to cutting-edge processing routes to groundbreaking technologies for the most recent applications. The book details the characterization and properties of these materials. Chemical methods of synthesis are emphasized by the authors throughout the publication. Describes new materials and updates to older materials that exhibit optical, optoelectronic and semiconductor behaviors; Covers the structural and mechanical aspects of the optical, optoelectronic and semiconductor materials for meeting mechanical property and safety requirements; Includes discussion of the environmental and sustainability issues regarding optical, optoelectronic, and semiconductor materials, from processing to recycling.
Author : Timothy Deming
Publisher : Springer Science & Business Media
ISBN 13 : 3642271391
Total Pages : 184 pages
Book Rating : 4.6/5 (422 download)
Download or read book Peptide-Based Materials written by Timothy Deming and published by Springer Science & Business Media. This book was released on 2012-01-10 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis of Polypeptides by Ring-Opening Polymerization of α-Amino Acid N-Carboxyanhydrides, by Jianjun Cheng and Timothy J. Deming.- Peptide Synthesis and Self-Assembly, by S. Maude, L. R. Tai, R. P. W. Davies, B. Liu, S. A. Harris, P. J. Kocienski and A. Aggeli.- Elastomeric Polypeptides, by Mark B. van Eldijk, Christopher L. McGann, Kristi L. Kiick andJan C. M. van Hest.- Self-Assembled Polypeptide and Polypeptide Hybrid Vesicles: From Synthesis to Application, by Uh-Joo Choe, Victor Z. Sun, James-Kevin Y. Tan and Daniel T. Kamei.- Peptide-Based and Polypeptide-Based Hydrogels for Drug Delivery and Tissue Engineering, by Aysegul Altunbas and Darrin J. Pochan.-
Author : Aniket Datar
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (144 download)
Download or read book AFM Investigation of One-dimensional Self-assembly of N-type Organic Semiconducting Molecules written by Aniket Datar and published by . This book was released on 2006 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of organic semiconductors in electronic devices emerged with the fabrication of photovoltaic cells with organic dyes and in recent years their applications have extended to field effect transistors (FETs) and light emitting devices (LEDs). Increased attention towards organic semiconductors and materials is mainly due to flexibility they provide with respect to the properties of individual molecules and fabrication in desired shapes. Among n-type semiconductors, perylenetetracaboxylicdiimide (PTCDI), is gaining increasing attention due to its high photo and thermal stability. With the modification of side chains with different functionalities, one can tune the solubility of molecule in different solvent and the morphology of resultant molecular aggregates. Following work presents the use of PTCDI molecules with three different side chains attached to PTCDI core. We investigated the effect of different side chains on resultant morphology when fabricated through different processing techniques. Fabrication techniques applied are solution based processing and surface assisted solvent vapor annealing. The later technique provides a better control over the size and shape of resultant nanocrystals. We investigated the size and optical properties of nanocrystals formed with the help of atomic force microscopy (AFM) and near-field scanning optical microscopy (NSOM). Through solution based and surface assisted solvent vapor annealing processes under different conditions, we have fabricated nanocrystals with different aspect ratios, size and shape. Currently we are working on investigation of electrical measurements for application of nanocrystals in real time electronic devices.
Author : Alok Pandya
Publisher : Academic Press
ISBN 13 : 032390985X
Total Pages : 316 pages
Book Rating : 4.3/5 (239 download)
Download or read book Design, Principle and Application of Self-Assembled Nanobiomaterials in Biology and Medicine written by Alok Pandya and published by Academic Press. This book was released on 2022-08-04 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Design, Principle and Application of Self-Assembled Nanobiomaterials in Biology and Medicine discusses recent advances in science and technology using nanoscale units that show the novel concept of combining nanotechnology with various research disciplines within both the biomedical and medicine fields. Self-assembly of molecules, macromolecules, and polymers is a fascinating strategy for the construction of various desired nanofabrication in chemistry, biology, and medicine for advanced applications. It has a number of advantages: (1) It is involving atomic-level modification of molecular structure using bond formation advanced techniques of synthetic chemistry. (2) It draws from the enormous wealth of examples in biology for the development of complex, functional structures. (3) It can incorporate biological structures directly as components in the final systems. (4) It requires that the target self-assembled structures be thermodynamically most stable with relatively defect-free and self-healing. In this book, we cover the various emerging self-assembled nanostructured objects including molecular machines, nano-cars molecular rotors, nanoparticles, nanosheets, nanotubes, nanowires, nano-flakes, nano-cubes, nano-disks, nanorings, DNA origami, transmembrane channels, and vesicles. These self-assembled materials are used for sensing, drug delivery, molecular recognition, tissue engineering energy generation, and molecular tuning. Provides a basic understanding of how to design, and implement various self-assembled nanobiomaterials Covers principles implemented in the constructions of novel nanostructured materials Offers many applications of self-assemblies in fluorescent biological labels, drug and gene delivery, bio-detection of pathogens, detection of proteins, probing of DNA structure, tissue engineering, and many more
Author : Quan Li
Publisher : Wiley
ISBN 13 : 9780470559734
Total Pages : 320 pages
Book Rating : 4.5/5 (597 download)
Download or read book Self-Organized Organic Semiconductors written by Quan Li and published by Wiley. This book was released on 2011-04-26 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the exciting topic on self-organized organic semiconductors – from materials to device applications. It offers up-to-date and accessible coverage of self-organized semiconductors for organic chemistry, polymer science, liquid crystals, materials science, material engineering, electrical engineering, chemical engineering, optics, optic-electronics, nanotechnology and semiconductors. Chapters cover chemistry, physics, processing, and characterization. The applications include photovoltaics, light-emitting diodes (LEDs), and transistors.
Author : Irina Afonina
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (141 download)
Download or read book Synthesis and Characterisation of Novel Organic Semiconductors written by Irina Afonina and published by . This book was released on 2010 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic semiconductors (OSCs) attract considerable attention from blue-chip companies and research communities as potential substitutes of inorganic counterparts in electronic devices. Thiophenes are one of the most extensively studied and highly topical classes of electron-rich OSCs. Linked compounds are known for their photoluminescent and conducting properties. On the other hand, fused thiophenes (FTs), both as small molecules and conducting polymers containing these blocks, demonstrate a different approach to broaden and improve the properties of this family of materials. FTs are highly ordered structures, with good potential for high charge-mobilities. Simultaneously, they are more environmentally resistant than many other OSCs, due to their wider HOMO-LUMO gaps. The review regarding these interesting materials and recent literature examples are presented in Chapter 1. During the course of my PhD research work several novel diindenodithioenothiophene (DITT) based molecular and polymeric materials were prepared and investigated. The parent compound (77), obtained through a multistep synthesis, comprises a central dithienothiophene-core and symmetrically attached indene-moieties at both sides. It was found to be sparingly soluble and in order to enable further synthetic manipulations was successfully derivatised with solubilising groups (78). Further oxidation of the thienyl sulfur to the corresponding sulfone afforded a highly photoluminescent compound (79). These three materials were characterised in terms of their chemical structure and properties. The findings are discussed in Chapter 2 along with the results of the performance of an OFET device, which was fabricated with 77 as the active semiconductor. Further work with the DITT-based materials involved polymerisations of 78 and 79 via a Yamamoto protocol and also copolymerisations of 78 with the fluorene and paraphenylene derivatives achieved through Suzuki polycondensations. The details of the synthetic procedures are described in Chapter 3. Chapter 4 presents the results of the property investigations of the synthesised polymers.
Author : Ming-Hua Chang
Publisher :
ISBN 13 :
Total Pages : 280 pages
Book Rating : 4.:/5 (31 download)
Download or read book Organic Semiconductor Nanostructures Based on Supramolecular Self-assembly written by Ming-Hua Chang and published by . This book was released on 2008 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Francis Hulvat
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (561 download)
Download or read book Nanoscale Templating and Self-assembly of Organic Semiconductors written by James Francis Hulvat and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Improvements in organic electronic materials could lead to novel device applications, ranging from large-area, flexible displays to light weight, plastic electronics. Progress on these applications would benefit from development of low-cost, aqueous, solution-based fabrication techniques for organic semiconductors. Supramolecular self-assembly enables molecules to organize in complex structures through non-covalent interactions. The nanoscale structure and aggregation of organic semiconductors influence conductivity, charge mobility and luminescence. We developed three approaches to enhance the performance of organic semiconductors through molecular self-assembly. The first uses a liquid crystalline (LC) template to mediate electrochemical polymerization of poly(3,4-ethyldioxythiophene) (PEDOT), a conducting polymer used for hole injection in organic light emitting diodes (OLED). Monomers were polymerized in the cylindrical, hydrophobic cores of a hexagonal, lyotropic LC formed by a non-ionic amphiphile in water, The templated, conducting polymer films exhibited anisotropic optical properties and increased conductivity as a direct result of the nanoscale, self-organized structure of the template. Another approach was used to control molecular order by preparing organic semiconductors that are themselves liquid crystalline. We developed a novel series of triblock oligo(phenylene vinylene) (OPV) amphiphiles that form thermotropic and lyotropic LC mesophases. The self-organized, layered structure of these mesophases influences aggregation of OPV, enhancing fluorescence in the liquid crystalline state compared with disordered films. These OPV-amphiphiles are the first example of a water-soluble oligo(phenylene vinylene) that can self-organize into aligned, well-ordered, highly fluorescent films. In a third system, a triblock, dendron rod-coil (DRC) molecule containing a quaterthiophene segment was prepared and its self-assembly and electronic properties investigated. In non-polar solvents, this molecule formed high aspect ratio, supramolecular nanowires containing stacked oligo(thiophene) segments. These self-assembled nanowires formed conductive films that were aligned by an electric field. Using these three systems, we demonstrate how nanoscale templating and self-assembly can enhance the performance of thiophene- and phenylene vinylene-based organic semiconductors.
Author : Yongfang Li
Publisher : Springer
ISBN 13 : 3319168622
Total Pages : 402 pages
Book Rating : 4.3/5 (191 download)
Download or read book Organic Optoelectronic Materials written by Yongfang Li and published by Springer. This book was released on 2015-05-30 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reviews the latest trends in organic optoelectronic materials. Each comprehensive chapter allows graduate students and newcomers to the field to grasp the basics, whilst also ensuring that they have the most up-to-date overview of the latest research. Topics include: organic conductors and semiconductors; conducting polymers and conjugated polymer semiconductors, as well as their applications in organic field-effect-transistors; organic light-emitting diodes; and organic photovoltaics and transparent conducting electrodes. The molecular structures, synthesis methods, physicochemical and optoelectronic properties of the organic optoelectronic materials are also introduced and described in detail. The authors also elucidate the structures and working mechanisms of organic optoelectronic devices and outline fundamental scientific problems and future research directions. This volume is invaluable to all those interested in organic optoelectronic materials.
Author : Schinke Janusz
Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838151441
Total Pages : 204 pages
Book Rating : 4.1/5 (514 download)
Download or read book Processing and Characterization of Organic Thin Films written by Schinke Janusz and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2015-08-20 with total page 204 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work deals with two of the major challenges in organic electronics: (i) the optimization of organic/inorganic contacts through interface engineering and (ii) the prevention of intermixing in multilayer solution-processed devices. (i) A suitable method to control organic/inorganic interfaces, not only in terms of interface energetics but also to control the morphology of subsequent layers is the use of self-assembled monolayers (SAMs). Various SAMs from commercially available precursor molecules have been investigated in detail with the aim to optimize the processing parameters for high-throughput fabrication. On the basis of the gained knowledge and experience SAMs composed of novel molecules with strong dipole moments were investigated. (ii) The second part of this work addresses the problem of intermixing of solution-processed thin films. To this end, the film formation was studied of n-type semiconductor materials based on 1,4,5,8-naphthalenetetracarboxdiimide (NDI) with additional thermally cleavable side groups that govern the solubility of the molecules. Both polymer and small molecule organic semiconductors were studied.
Author : Jean-Pierre Sauvage
Publisher : John Wiley & Sons
ISBN 13 : 3527613730
Total Pages : 382 pages
Book Rating : 4.5/5 (276 download)
Download or read book Molecular Catenanes, Rotaxanes and Knots written by Jean-Pierre Sauvage and published by John Wiley & Sons. This book was released on 2008-07-11 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: This journey through the fascinating world of molecular topology focuses on catenanes, rotaxanes and knots, their synthesis, properties, and applications and the theory of interlocking and interpenetrating molecules. Nearly one hundred years of progress have passed since Willstätter's speculative vision of a molecule consisting of two interlinked rings. But even today the synthesis of such structures are a challenge to the creativity of synthetic chemists. These molecules are not only of academic interest, since they occur naturally. In such molecules as DNA, knots and related topological features play a key role in biochemical processes. In addition, extensive research on the properties of polyrotaxanes and polycatenanes show potential applications as molecular magnets, wires or switches. Twelve international leading experts in the field present the broad and impressive spectrum of the topology of these molecules, from theoretical aspects and new pathways in synthesis to probing their properties. All researchers working in this interdisciplinary area, whether organic, inorganic or polymer chemists, as well as material scientists, will welcome this comprehensive and up-to-date work as an inspiring source for creative research ideas.
