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Author: Hüsnü Emrah Ünalan
Publisher:
ISBN: 9781109876796
Category : Thin films
Languages : en
Pages : 250
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Book Description
Application of SWNT thin films in organic photovoltaic (OPV) devices, particularly in poly 3-(hexyl)thiophene-[6,6]phenyl-C61-butyric acid methyl (P3HT:PCBM) systems, as a hole collector is also described. SWNT thin film PV devices outperform reference cells made on commercially available indium tin oxide substrates due to the three dimensional nature of the interface between the SWNTs and the P3HT:PCBM nanocomposite. Our results indicate that the versatility of SWNT thin films make them promising for future electronic applications.
Author: Hüsnü Emrah Ünalan
Publisher:
ISBN: 9781109876796
Category : Thin films
Languages : en
Pages : 250
Get Book Here
Book Description
Application of SWNT thin films in organic photovoltaic (OPV) devices, particularly in poly 3-(hexyl)thiophene-[6,6]phenyl-C61-butyric acid methyl (P3HT:PCBM) systems, as a hole collector is also described. SWNT thin film PV devices outperform reference cells made on commercially available indium tin oxide substrates due to the three dimensional nature of the interface between the SWNTs and the P3HT:PCBM nanocomposite. Our results indicate that the versatility of SWNT thin films make them promising for future electronic applications.
Author: Yan Li
Publisher: Springer
ISBN: 3030127001
Category : Science
Languages : en
Pages : 340
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Book Description
The series Topics in Current Chemistry Collections presents critical reviews from the journal Topics in Current Chemistry organized in topical volumes. The scope of coverage is all areas of chemical science including the interfaces with related disciplines such as biology, medicine and materials science. The goal of each thematic volume is to give the non-specialist reader, whether in academia or industry, a comprehensive insight into an area where new research is emerging which is of interest to a larger scientific audience. Each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years are presented using selected examples to illustrate the principles discussed. The coverage is not intended to be an exhaustive summary of the field or include large quantities of data, but should rather be conceptual, concentrating on the methodological thinking that will allow the non-specialist reader to understand the information presented. Contributions also offer an outlook on potential future developments in the field.
Author: Qing Cao
Publisher: ProQuest
ISBN: 9781109218527
Category :
Languages : en
Pages : 136
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Book Description
Ultrathin films of single-walled carbon nanotubes (SWNTs) represent an attractive, emerging class of material, with properties that can approach the exceptional electrical, mechanical, and optical characteristics of individual SWNTs, in a format that, unlike isolated tubes, is readily suitable for scalable integration into devices. These features suggest the potential for realistic applications as conducting or semiconducting layers in diverse types of electronic, optoelectronic and sensor systems.
Author: Liangbing Hu
Publisher:
ISBN: 9780549079743
Category :
Languages : en
Pages : 666
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Book Description
Light-sensitive CdSe-SWNT hybrids are synthesized and efficient charge transfer in the hybrids is studied using SWNT network transistors. Using such hybrids for organic solar cell application is discussed. At the end, composites incorporating SWNTs are studied: SWNT-PEDOT composite, conducting fabric and bio-composites as electrodes for fuel cell applications.
Author: Michael J. O’Connell
Publisher: CRC Press
ISBN: 1420004212
Category : Technology & Engineering
Languages : en
Pages : 339
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Book Description
Since their discovery more than a decade ago, carbon nanotubes (CNTs) have held scientists and engineers in captive fascination, seated on the verge of enormous breakthroughs in areas such as medicine, electronics, and materials science, to name but a few. Taking a broad look at CNTs and the tools used to study them, Carbon Nanotubes: Properties and Applications comprises the efforts of leading nanotube researchers led by Michael O’Connell, protégé of the late father of nanotechnology, Richard Smalley. Each chapter is a self-contained treatise on various aspects of CNT synthesis, characterization, modification, and applications. The book opens with a general introduction to the basic characteristics and the history of CNTs, followed by discussions on synthesis methods and the growth of “peapod” structures. Coverage then moves to electronic properties and band structures of single-wall nanotubes (SWNTs), magnetic properties, Raman spectroscopy of electronic and chemical behavior, and electromechanical properties and applications in NEMS (nanoelectromechanical systems). Turning to applications, the final sections of the book explore mechanical properties of SWNTs spun into fibers, sidewall functionalization in composites, and using SWNTs as tips for scanning probe microscopes. Taking a fresh look at this burgeoning field, Carbon Nanotubes: Properties and Applications points the way toward making CNTs commercially viable.
Author: Parveen Saini
Publisher: John Wiley & Sons
ISBN: 1119137101
Category : Technology & Engineering
Languages : en
Pages : 684
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Book Description
Since their discovery in 1977, the evolution of conducting polymers has revolutionized modern science and technology. These polymers enjoy a special status in the area of materials science yet they are not as popular among young readers or common people when compared to other materials like metals, paper, plastics, rubber, textiles, ceramics and composites like concrete. Most importantly, much of the available literature in the form of papers, specific review articles and books is targeted either at advanced readers (scientists / technologists / engineers / senior academicians) or for those who are already familiar with the topic (doctoral / postdoctoral scholars). For a beginner or even school / college students, such compilations are bit difficult to access / digest. In fact, they need proper introduction to the topic of conducting polymers including their discovery, preparation, properties, applications and societal impact, using suitable examples and already known principles/knowledge/phenomenon. Further, active participation of readers in terms of "question & answers", "fill-in-the-blanks", "numerical" along with suitable answer key is necessary to maintain the interest and to initiate the "thought process". The readers also need to know about the drawbacks and any hazards of such materials. Therefore, I believe that a comprehensive source on the science / technology of conducting polymers which maintains a link between grass root fundamentals and state-of-the-art R&D is still missing from the open literature.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: Joseph G. Smith
Publisher: BiblioGov
ISBN: 9781289281441
Category :
Languages : en
Pages : 28
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Book Description
The incorporation of single-walled carbon nanotubes (SWNTs) into the bulk of space environmentally durable polymers at loading levels greater than or equal to 0.05 wt % has afforded thin films with surface and volume resistivities sufficient for electrostatic charge mitigation. However, the optical transparency at 500 nm decreased and the thermo-optical properties (solar absorptivity and thermal emissivity) increased with increaed SWNT loading. These properties were also dependent on film thickness. The absorbance characteristics of the films as a function of SWNT loading and film thickness were measured and determined to follow the classical Beer-Lambert law. Based on these results, an empirical relationship was derived and molar absorptivities determined for both the SWNTs and polymer matrix to provide a predictive approximation of these properties. The molar absorptivity determined for SWNTs dispersed in the polymer was comparable to reported solution determined values for HiPco SWNTs.
Author: Melorina Dolafi Rezaee
Publisher: American Chemical Society
ISBN: 0841299412
Category : Technology & Engineering
Languages : en
Pages : 158
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Book Description
Single-walled carbon nanotubes (SWCNTs) are cylindrical one-dimensional nanomaterials made of single-layered graphene sheets. They possess unique properties because of their specific structure. Due to their distinct electronic structure and impressive thermal, mechanical, and optical properties, SWCNTs have great applications in biomedicine, energy storage, nanomechanical devices, etc. So far, many methods have been developed to synthesize SWCNTs. Despite the great achievements in the synthesis and applications of SWCNTs in the past few decades, many challenges remain. This primer will equip the reader with a foundational understanding of the growth mechanisms of SWCNTs and the advantages and disadvantages of the process and growth conditions of the various techniques. The reader will also learn how to relate the properties and structure of these materials to their specific functionality in the desired application.
Author: B.A. Baker
Publisher: Elsevier Inc. Chapters
ISBN: 0128088265
Category : Technology & Engineering
Languages : en
Pages : 37
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Book Description
Carbon nanotubes have been explored in light-harvesting and photovoltaic devices because of their unique optoelectronic properties. This chapter provides a brief description of the optoelectronic properties of carbon nanotubes, particularly single-wall carbon nanotubes (SWCNTs), and their implication in various solar cell applications including donor–acceptor solar cells, polymer solar cells, and dye-sensitized solar cells, where carbon nanotubes are utilized as photoactive materials. Carbon-nanotube-based electrodes in photovoltaic devices are also introduced. Carbon-nanotube-based light-harvesting devices are reviewed in terms of fabrication and material processing as well as performance. Finally, advanced emerging methods and the future outlook for carbon-nanotube-based solar cells are discussed.
