Photothermal Absorption Spectroscopy of Single Conductive Polymers and Nanoparticles Using Toroidal Microresonators PDF Download
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Author: Morgan Rea
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Utilization of different microscopies and spectroscopies can reveal novel insights on a variety of material systems: from single nanoparticles and polymers to bulk lithium ion diffusion. Discussion in this thesis will primarily focus on single polymer and nanoparticle studies using photothermal absorption spectroscopy enabled via optical whispering gallery mode toroidal microresonators. After an introduction to some fundamental concepts of light-matter interaction, properties of whispering gallery mode microresonators are discussed. The use of these microresonators in photothermal absorption spectroscopy is then covered along with technical components necessary to this spectroscopy. Two different material systems are investigated using this sensitive photothermal absorption spectroscopy. The first system is a conductive, conjugated polymer called poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) or PEDOT:PSS. The effects of conductivity enhancing treatments are studied by probing the electronic structure as well as rotational order of single (and multiple) polymers before and after these treatments. The second system examined is a hybrid-photonic plasmonic mode consisting of gold nanorods on toroidal microresonators. Fano resonances resulting from the interaction between the nanorod and resonator are sculpted using thermal annealing and modeled using a coupled harmonic oscillator model. In addition to single nanoparticle and polymer studies, bulk imaging of lithium ion diffusion is achieved using widefield microscopy and modeled using finite element simulations.
Author: Morgan Rea
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Utilization of different microscopies and spectroscopies can reveal novel insights on a variety of material systems: from single nanoparticles and polymers to bulk lithium ion diffusion. Discussion in this thesis will primarily focus on single polymer and nanoparticle studies using photothermal absorption spectroscopy enabled via optical whispering gallery mode toroidal microresonators. After an introduction to some fundamental concepts of light-matter interaction, properties of whispering gallery mode microresonators are discussed. The use of these microresonators in photothermal absorption spectroscopy is then covered along with technical components necessary to this spectroscopy. Two different material systems are investigated using this sensitive photothermal absorption spectroscopy. The first system is a conductive, conjugated polymer called poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) or PEDOT:PSS. The effects of conductivity enhancing treatments are studied by probing the electronic structure as well as rotational order of single (and multiple) polymers before and after these treatments. The second system examined is a hybrid-photonic plasmonic mode consisting of gold nanorods on toroidal microresonators. Fano resonances resulting from the interaction between the nanorod and resonator are sculpted using thermal annealing and modeled using a coupled harmonic oscillator model. In addition to single nanoparticle and polymer studies, bulk imaging of lithium ion diffusion is achieved using widefield microscopy and modeled using finite element simulations.
Author: Andrea Cusano
Publisher: Springer
ISBN: 3319069985
Category : Science
Languages : en
Pages : 377
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Book Description
This book focuses on a research field that is rapidly emerging as one of the most promising ones for the global optics and photonics community: the “lab-on-fiber” technology. Inspired by the well-established "lab on-a-chip" concept, this new technology essentially envisages novel and highly functionalized devices completely integrated into a single optical fiber for both communication and sensing applications. Based on the R&D experience of some of the world's leading authorities in the fields of optics, photonics, nanotechnology, and material science, this book provides a broad and accurate description of the main developments and achievements in the lab-on-fiber technology roadmap, also highlighting the new perspectives and challenges to be faced. This book is essential for scientists interested in the cutting-edge fiber optic technology, but also for graduate students.
Author: Eric Le Ru
Publisher: Elsevier
ISBN: 0080931553
Category : Science
Languages : en
Pages : 688
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Book Description
SERS was discovered in the 1970s and has since grown enormously in breadth, depth, and understanding. One of the major characteristics of SERS is its interdisciplinary nature: it lies at the boundary between physics, chemistry, colloid science, plasmonics, nanotechnology, and biology. By their very nature, it is impossible to find a textbook that will summarize the principles needed for SERS of these rather dissimilar and disconnected topics. Although a basic understanding of these topics is necessary for research projects in SERS with all its many aspects and applications, they are seldom touched upon as a coherent unit during most undergraduate studies in physics or chemistry. This book intends to fill this existing gap in the literature. It provides an overview of the underlying principles of SERS, from the fundamental understanding of the effect to its potential applications. It is aimed primarily at newcomers to the field, graduate students, researchers or scientists, attracted by the many applications of SERS and plasmonics or its basic science. The emphasis is on concepts and background material for SERS, such as Raman spectroscopy, the physics of plasmons, or colloid science, all of them introduced within the context of SERS, and from where the more specialized literature can be followed. - Represents one of very few books fully dedicated to the topic of surface-enhanced Raman spectroscopy (SERS) - Gives a comprehensive summary of the underlying physical concepts around SERS - Provides a detailed analysis of plasmons and plasmonics
Author: Vasily Astratov
Publisher: Springer Nature
ISBN: 3030217221
Category : Science
Languages : en
Pages : 487
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Book Description
This book presents the advances in super-resolution microscopy in physics and biomedical optics for nanoscale imaging. In the last decade, super-resolved fluorescence imaging has opened new horizons in improving the resolution of optical microscopes far beyond the classical diffraction limit, leading to the Nobel Prize in Chemistry in 2014. This book represents the first comprehensive review of a different type of super-resolved microscopy, which does not rely on using fluorescent markers. Such label-free super-resolution microscopy enables potentially even broader applications in life sciences and nanoscale imaging, but is much more challenging and it is based on different physical concepts and approaches. A unique feature of this book is that it combines insights into mechanisms of label-free super-resolution with a vast range of applications from fast imaging of living cells to inorganic nanostructures. This book can be used by researchers in biological and medical physics. Due to its logically organizational structure, it can be also used as a teaching tool in graduate and upper-division undergraduate-level courses devoted to super-resolved microscopy, nanoscale imaging, microscopy instrumentation, and biomedical imaging.
Author: John T. Jefferies
Publisher:
ISBN:
Category : Astronomical spectroscopy
Languages : en
Pages : 328
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Book Description
The purpose of this book is to discuss certain aspects of the theory of the formation and analysis of the line spectrum of a hot gas. The underlying motivation for most of the studies discussed here lies in a desire to develop a physically sound procedure for interpreting the line spectrum of a stellar atmosphere ; correspondingly, the major emphasis is given to problems encountered in astrophysics.
Author: Paul R. Selvin
Publisher: CSHL Press
ISBN: 087969775X
Category : Science
Languages : en
Pages : 511
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Book Description
Geared towards research scientists in structural and molecular biology, biochemistry, and biophysics, this manual will be useful to all who are interested in observing, manipulating and elucidating the molecular mechanisms and discrete properties of macromolecules.
Author: Stephen E. Bialkowski
Publisher: John Wiley & Sons
ISBN: 1119279070
Category : Science
Languages : en
Pages : 512
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Book Description
Covers the advantages of using photothermal spectroscopy over conventional absorption spectroscopy, including facilitating extremely sensitive measurements and non-destructive analysis This unique guide to the application and theory of photothermal spectroscopy has been newly revised and updated to include new methods and applications and expands on applications to chemical analysis and material science. The book covers the subject from the ground up, lists all practical considerations needed to obtain accurate results, and provides a working knowledge of the various methods in use. Photothermal Spectroscopy Methods, Second Edition includes the latest methods of solid state and materials analysis, and describes new chemical analysis procedures and apparatuses in the analytical chemistry sections. It offers a detailed look at the optics, physical principles of heat transfer, and signal analysis. Information in the temperature change and optical elements in homogeneous samples and photothermal spectroscopy in homogeneous samples has been updated with a better description of diffraction effects and calculations. Chapters on analytical measurement and data processing and analytical applications are also updated and include new information on modern applications and photothermal microscopy. Finally, the Photothermal Spectroscopy of Heterogeneous Sample chapter has been expanded to incorporate new methods for materials analysis. New edition updates and expands on applications to chemical analysis and materials science, including new methods of solid state and materials analysis Includes new chemical analysis procedures and apparatuses Provides an unmatched resource that develops a consistent mathematical basis for signal description, consolidates previous theories, and provides invaluable insight into laser technology Photothermal Spectroscopy Methods, Second Edition will appeal to researchers from both academia and industry (graduate students, postdocs, research scientists, and professors) in the general field of analytical chemistry, optics, and materials science, and researchers and engineers at scientific instrument developers in fields related to photonics and spectroscopy.
Author: Andreas Elschner
Publisher: CRC Press
ISBN: 1420069128
Category : Technology & Engineering
Languages : en
Pages : 380
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Book Description
While there is information available in handbooks on polythiophene chemistry and physics, until now, few if any books have focused exclusively on the most forwardly developed electrically conductive polymer, Poly (3,4-ethylenedioxythiophene)-otherwise known as PEDOT. This resource provides full chemical, physical, and technical information about this important conducting polymer, discussing basic knowledge and exploring its technical applications. Presented information is based on information generated at universities and through academic research, as well as by industrial scientists, providing a complete picture of the experimental and the practical aspects of this important polymer.
Author: J. David Musgraves
Publisher: Springer
ISBN: 9783319937267
Category : Technology & Engineering
Languages : en
Pages : 1590
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Book Description
This handbook provides comprehensive treatment of the current state of glass science from the leading experts in the field. Opening with an enlightening contribution on the history of glass, the volume is then divided into eight parts. The first part covers fundamental properties, from the current understanding of the thermodynamics of the amorphous state, kinetics, and linear and nonlinear optical properties through colors, photosensitivity, and chemical durability. The second part provides dedicated chapters on each individual glass type, covering traditional systems like silicates and other oxide systems, as well as novel hybrid amorphous materials and spin glasses. The third part features detailed descriptions of modern characterization techniques for understanding this complex state of matter. The fourth part covers modeling, from first-principles calculations through molecular dynamics simulations, and statistical modeling. The fifth part presents a range of laboratory and industrial glass processing methods. The remaining parts cover a wide and representative range of applications areas from optics and photonics through environment, energy, architecture, and sensing. Written by the leading international experts in the field, the Springer Handbook of Glass represents an invaluable resource for graduate students through academic and industry researchers working in photonics, optoelectronics, materials science, energy, architecture, and more.
Author: Nelson Marmiroli
Publisher: Elsevier
ISBN: 0128148365
Category : Technology & Engineering
Languages : en
Pages : 363
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Book Description
Exposure to Engineered Nanomaterials in the Environment provide a new, holistic framework for testing and evaluating the potential benefits and risks of engineered nanomaterials (ENMs), including their potential socioeconomic impacts, ethical issues and consumers' expectations and fears. The book covers nanomaterial presence in various environments, agroecosystems and other areas within the human sphere of actions. The book includes sections on (i) Chemical, physical and biological properties, (ii) Presence and diffusion of ENMs in human environments, agriculture, food and drug products, (iii) ENMs as a pillar in biological and medical research, and (iv) Social and regulatory issues emerging from years of application. The book is designed to increase awareness to key end-users and stakeholders, including food producers and processors, industry, representatives of society and consumers, and those looking to implement an accurate and effective risk analysis procedure that promotes the sustainable use of nanotechnology. - Assesses both the positive and negative impacts of engineered nanomaterials in the environment - Shows how engineered nanomaterials are used in agricultural environments, food products, drugs and cosmetics - Discusses the unique properties of a range of engineered nanomaterials that lead to their environmental effects
