Photodissociation Of Small Molecules And Photoionization Of Free Radicals Using The Vuv Velocity Map Imaging Photoion And Photoelectron Method

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Photodissociation of Small Molecules and Photoionization of Free Radicals Using the VUV Velocity-map Imaging Photoion and Photoelectron Method

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Author : Hong Gao
Publisher :
ISBN 13 : 9781303442544
Total Pages : pages
Book Rating : 4.4/5 (425 download)

Book Synopsis Photodissociation of Small Molecules and Photoionization of Free Radicals Using the VUV Velocity-map Imaging Photoion and Photoelectron Method by : Hong Gao

Download or read book Photodissociation of Small Molecules and Photoionization of Free Radicals Using the VUV Velocity-map Imaging Photoion and Photoelectron Method written by Hong Gao and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The tunable vacuum ultraviolet (VUV) laser generated through the two-photon resonance-enhanced four-wave mixing scheme is combined with the newly developed time-slice velocity map imaging photoion method to study the photodissociation of small molecules in the VUV region, and with the velocity map imaging photoelectron method to study the photoionization of free radicals. The photodissociation dynamics of NO in the energy region around 13.5 eV has been investigated. Branching ratios of the three lowest dissociation channels of 12C16O that produce C(3P) + O(3P), C(1D) + O(3P) and C(3P) + O(1D) are measured for the first time in the VUV region from 102,500 cm−1 to 110,500 cm−1, valuable information of the dissociation dynamics for this prototype system has been deduced. We demonstrated an experiment that has two independently tunable VUV lasers and a time-slice velocity map imaging setup, this provides us a global way to perform systematic state-selected photodissociation of small molecules via state-selected detection of the atomic products in the VUV region. The velocity map imaging photoelectron method was successfully used to obtain the photoelectron spectrum of the propargyl radical (C3H3) via a single VUV photoionization process. The propargyl radical is generated by the 193 nm laser photodissociation of the precursor C3H3Cl. This is the first time that the velocity map imaging photoelectron method is used to get the photoelectron spectra of free radicals, indicating that it is a powerful technique for studying the photoionization of free radicals which are always hard to be produced with high enough number densities for spectroscopic studies.

Photodissociation and Photoionization with Vacuum Ultraviolet Radiation

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Author : Lei Yang
Publisher :
ISBN 13 : 9781267663399
Total Pages : pages
Book Rating : 4.6/5 (633 download)

Book Synopsis Photodissociation and Photoionization with Vacuum Ultraviolet Radiation by : Lei Yang

Download or read book Photodissociation and Photoionization with Vacuum Ultraviolet Radiation written by Lei Yang and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: By detecting the central signal of the photoelectron image as a function of vacuum ultraviolet (VUV) laser energy, we have obtained a high-resolution threshold photoelectron spectrum for the ground state of chlorobenzene cation (C6H5Cl) using the velocity-map imaging-photoelectron method. By employing the vacuum ultraviolet (VUV) laser velocity-map imaging (VMI) photoelectron scheme to discriminate energetic photoelectrons, we have measured the VUV-VMI-threshold photoelectrons (VUV-VMI-TPE) spectra of propargyl radical [C3H3 (X̃2B1)] near its ionization threshold at photoelectron energy bandwidths of 3 and 7 cm−1 (full-width at half-maximum, FWHM). The photoionization efficiency (PIE) and pulsed field ionization-photoion (PFI-PI) spectra for oxygen atoms O(3P2, 1, 0) resulting from the 193.3 nm photodissociation of SO2 have been measured using tunable vacuum ultraviolet (VUV) laser radiation in the frequency range of 109200 - 109900 cm−1. By coupling a tunable vacuum ultraviolet (VUV) laser system with the velocity-map imaging system, we have measured the photoionization efficiency (PIE) and the pulsed field ionization-photoion (PFI-PI) spectra for chlorine atoms Cl(2P[subscript 3/2, 1/2]) produced from the 193.3nm photodissociation of C6H5Cl in the VUV wavenumber range of 103,580 to 105,600 cm−1. The predissociation of N2 from the rotational levels in the o1[Pi subscript u] (v'=2) and b' 1[Sigma subscript u] (v'=8) bands have been studied in the wavelength range from 109,350 cm−1 (13.5577 eV) to 109,580 cm−1 (13.5862 eV) by time-sliced velocity-map imaging technique with VUV photoionization detection of the fragments.

Photoionization and Photo-Induced Processes in Mass Spectrometry

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Author : Ralf Zimmermann
Publisher : John Wiley & Sons
ISBN 13 : 3527335102
Total Pages : 448 pages
Book Rating : 4.5/5 (273 download)

Book Synopsis Photoionization and Photo-Induced Processes in Mass Spectrometry by : Ralf Zimmermann

Download or read book Photoionization and Photo-Induced Processes in Mass Spectrometry written by Ralf Zimmermann and published by John Wiley & Sons. This book was released on 2021-07-06 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides comprehensive coverage of laser-induced ionization processes for mass spectrometry analysis Drawing on the expertise of the leading academic and industrial research groups involved in the development of photoionization methods for mass spectrometry, this reference for analytical scientists covers both the theory and current applications of photo-induced ionization processes. It places widely used techniques such as MALDI side by side with more specialist approaches such as REMPI and RIMS, and discusses leading edge developments in ultrashort laser pulse desorption, to give readers a complete picture of the state of the technology. Photoionization and Photo-Induced Processes in Mass Spectrometry: Fundamentals and Applications starts with a complete overview of the fundamentals of the technique, covering the basics of the gas phase ionization as well as those of laser desorption and ablation, pulse photoionization, and single particle ionization. Numerous application examples from different analytical fields are described that showcase the power and the wide scope of photo ionization in mass spectrometry. -The first general reference book on photoionization techniques for mass spectrometry -Examines technologies and applications of gas phase resonance-enhanced multiphoton ionization mass spectrometry (REMPI-MS) and gas phase resonance ionization mass spectrometry (RIMS) -Provides complete coverage of popular techniques like MALDI -Discusses the current and potential applications of each technology, focusing on process and environmental analysis Photoionization and Photo-Induced Processes in Mass Spectrometry: Fundamentals and Applications is an excellent book for spectroscopists, analytical chemists, photochemists, physical chemists, and laser specialists.

Vacuum Ultraviolet Photoionization And Photodissociation Of Molecules And Clusters

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Author : Cheuk-yiu Ng
Publisher : World Scientific
ISBN 13 : 9814506575
Total Pages : 582 pages
Book Rating : 4.8/5 (145 download)

Book Synopsis Vacuum Ultraviolet Photoionization And Photodissociation Of Molecules And Clusters by : Cheuk-yiu Ng

Download or read book Vacuum Ultraviolet Photoionization And Photodissociation Of Molecules And Clusters written by Cheuk-yiu Ng and published by World Scientific. This book was released on 1991-06-25 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph reviews the recent progress in vacuum ultraviolet (VUV) photoionization and photodissociation processes. Photoionization, photoelectron, and fluorescence spectroscopic techniques have played an important role in revealing the photoionization and photodissociation dynamics of molecules in the vacuum ultraviolet region and in providing accurate energetic and spectroscopic information of ions as well as neutral molecules. The book represents the first detailed review of major experimental developments in the studies of single vacuum ultraviolet photon ionization and dissociation processes of gaseous molecules and clusters.

Photoionization and Photodetachment

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Author : Cheuk-Yiu Ng
Publisher : World Scientific
ISBN 13 : 9812813470
Total Pages : 1415 pages
Book Rating : 4.8/5 (128 download)

Book Synopsis Photoionization and Photodetachment by : Cheuk-Yiu Ng

Download or read book Photoionization and Photodetachment written by Cheuk-Yiu Ng and published by World Scientific. This book was released on 2000 with total page 1415 pages. Available in PDF, EPUB and Kindle. Book excerpt: Owing to the advances of vacuum ultraviolet and ultrafast lasers and third generation synchrotron sources, the research on photoionization, photoelectrons, and photodetachment has gained much vitality in recent years. These new light sources, together with ingenious experimental techniques, such as the coincidence imaging, molecular beam, pulsed field ionization photoelectron, mass-analyzed threshold ion, and pulsed field ion pair schemes, have allowed spectroscopic, dynamic, and energetic studies of gaseous species to a new level of detail and accuracy. Profitable applications of these methods to liquids are emerging.This invaluable two-volume review consists of twenty-two chapters, focusing on recent developments in photoionization and photodetachment studies of atoms; molecules, transient species, clusters, and liquids.

Photodissociation and Photoionisation

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Author : K. P. Lawley
Publisher : John Wiley & Sons
ISBN 13 : 0470143290
Total Pages : 484 pages
Book Rating : 4.4/5 (71 download)

Book Synopsis Photodissociation and Photoionisation by : K. P. Lawley

Download or read book Photodissociation and Photoionisation written by K. P. Lawley and published by John Wiley & Sons. This book was released on 2009-09-08 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: Experts in the field cover a wide range of theoretical and practical aspects of photodissociation and photoionization. This complete survey covers everything from laser isotope separation at the applied end to current theories of the quantum mechanics of photodissociation.

Photoionization And Photodetachment (In 2 Parts)

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Author : Cheuk-yiu Ng
Publisher : World Scientific
ISBN 13 : 9814494739
Total Pages : 684 pages
Book Rating : 4.8/5 (144 download)

Book Synopsis Photoionization And Photodetachment (In 2 Parts) by : Cheuk-yiu Ng

Download or read book Photoionization And Photodetachment (In 2 Parts) written by Cheuk-yiu Ng and published by World Scientific. This book was released on 2000-06-30 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: Owing to the advances of vacuum ultraviolet and ultrafast lasers and third generation synchrotron sources, the research on photoionization, photoelectrons, and photodetachment has gained much vitality in recent years. These new light sources, together with ingenious experimental techniques, such as the coincidence imaging, molecular beam, pulsed field ionization photoelectron, mass-analyzed threshold ion, and pulsed field ion pair schemes, have allowed spectroscopic, dynamic, and energetic studies of gaseous species to a new level of detail and accuracy. Profitable applications of these methods to liquids are emerging.This invaluable two-volume review consists of twenty-two chapters, focusing on recent developments in photoionization and photodetachment studies of atoms; molecules, transient species, clusters, and liquids.

Photodissociation Studies Using Velocity Ion Imaging Method & High-level Ab Initio Calculations of Molecular Energetic and Spectroscopic Properties and Benchmarking with Experiments

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Author : Kai-Chung Lau
Publisher :
ISBN 13 :
Total Pages : 368 pages
Book Rating : 4.:/5 (69 download)

Book Synopsis Photodissociation Studies Using Velocity Ion Imaging Method & High-level Ab Initio Calculations of Molecular Energetic and Spectroscopic Properties and Benchmarking with Experiments by : Kai-Chung Lau

Download or read book Photodissociation Studies Using Velocity Ion Imaging Method & High-level Ab Initio Calculations of Molecular Energetic and Spectroscopic Properties and Benchmarking with Experiments written by Kai-Chung Lau and published by . This book was released on 2004 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:

UV-photodissociation Dynamics of Small Molecules and Free Radicals Studied by High-n Rydberg H-Atom Time of Flight Spectroscopy

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Author : Gabriel Alejandro Amaral
Publisher :
ISBN 13 :
Total Pages : 406 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis UV-photodissociation Dynamics of Small Molecules and Free Radicals Studied by High-n Rydberg H-Atom Time of Flight Spectroscopy by : Gabriel Alejandro Amaral

Download or read book UV-photodissociation Dynamics of Small Molecules and Free Radicals Studied by High-n Rydberg H-Atom Time of Flight Spectroscopy written by Gabriel Alejandro Amaral and published by . This book was released on 2001 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photodissociation Dynamics of Small Organic Compounds Studied Using Photofragment Velocity Map Imaging

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Author : Yi Liu
Publisher :
ISBN 13 :
Total Pages : 228 pages
Book Rating : 4.:/5 (681 download)

Book Synopsis Photodissociation Dynamics of Small Organic Compounds Studied Using Photofragment Velocity Map Imaging by : Yi Liu

Download or read book Photodissociation Dynamics of Small Organic Compounds Studied Using Photofragment Velocity Map Imaging written by Yi Liu and published by . This book was released on 2006 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photodissociation and Reaction Dynamics of Small Molecules and Free Radicals Via High-n Rydberg Hydrogen Atom Time of Flight Spectroscopy

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Author : Kesheng Xu
Publisher :
ISBN 13 :
Total Pages : 390 pages
Book Rating : 4.3/5 (121 download)

Book Synopsis Photodissociation and Reaction Dynamics of Small Molecules and Free Radicals Via High-n Rydberg Hydrogen Atom Time of Flight Spectroscopy by : Kesheng Xu

Download or read book Photodissociation and Reaction Dynamics of Small Molecules and Free Radicals Via High-n Rydberg Hydrogen Atom Time of Flight Spectroscopy written by Kesheng Xu and published by . This book was released on 2001 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Slow Photoelectron Velocity-Map Imaging and Infrared Photodissociation Spectroscopy of Cryo-Cooled Molecular and Cluster Anions

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Author : Marissa Liana Weichman
Publisher :
ISBN 13 :
Total Pages : 391 pages
Book Rating : 4.:/5 (13 download)

Book Synopsis Slow Photoelectron Velocity-Map Imaging and Infrared Photodissociation Spectroscopy of Cryo-Cooled Molecular and Cluster Anions by : Marissa Liana Weichman

Download or read book Slow Photoelectron Velocity-Map Imaging and Infrared Photodissociation Spectroscopy of Cryo-Cooled Molecular and Cluster Anions written by Marissa Liana Weichman and published by . This book was released on 2005 with total page 391 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Dynamics of Molecular Photodissociation Studied Using Coherent Vacuum Ultraviolet

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Author : Michael Aaron Todt
Publisher :
ISBN 13 :
Total Pages : 216 pages
Book Rating : 4.:/5 (11 download)

Book Synopsis Dynamics of Molecular Photodissociation Studied Using Coherent Vacuum Ultraviolet by : Michael Aaron Todt

Download or read book Dynamics of Molecular Photodissociation Studied Using Coherent Vacuum Ultraviolet written by Michael Aaron Todt and published by . This book was released on 2017 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Cold Chemistry

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Author : Olivier Dulieu
Publisher : Royal Society of Chemistry
ISBN 13 : 1788013557
Total Pages : 692 pages
Book Rating : 4.7/5 (88 download)

Book Synopsis Cold Chemistry by : Olivier Dulieu

Download or read book Cold Chemistry written by Olivier Dulieu and published by Royal Society of Chemistry. This book was released on 2017-12-06 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent years have seen tremendous progress in research on cold and controlled molecular collisions, both in theory and in experiment. The advent of techniques to prepare cold and ultracold molecules and ions, to store them in optical lattices or in charged quasicristalline structures, and to use them in crossed or merged beam experiments have opened many new possibilities to study the most fundamental aspects of molecular interactions. At the same time, theoretical work has made progress in tackling these problems and accurately describing quantum effects in complex systems, and in proposing viable options to control chemical reactions at ultralow energies. Through tutorials on both the theoretical and experimental aspects of research in cold and ultracold molecular collisions, this book provides advanced undergraduate students, graduate students and researchers with the foundations needed to understand this exciting field.

Diamondoids

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Author : Sven Stauss
Publisher : CRC Press
ISBN 13 : 9814745197
Total Pages : 258 pages
Book Rating : 4.8/5 (147 download)

Book Synopsis Diamondoids by : Sven Stauss

Download or read book Diamondoids written by Sven Stauss and published by CRC Press. This book was released on 2017-03-16 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the past few decades, carbon nanomaterials, most commonly fullerenes, carbon nanotubes, and graphene, have gained increasing interest in both science and industry, due to their advantageous properties that make them attractive for many applications in nanotechnology. Another class of the carbon nanomaterials family that has slowly been gaining (re)newed interest is diamond molecules, also called diamondoids, which consist of polycyclic carbon cages that can be superimposed on a cubic diamond lattice. Derivatives of diamondoids are used in pharmaceutics, but due to their promising properties—well-defined structures, high thermal and chemical stability, negative electron affinity, and the possibility to tune their bandgap—diamondoids could also serve as molecular building blocks in future nanodevices. This book is the first of its kind to give an exhaustive overview of the structures, properties, and current and possible future applications of diamondoids. It contains a brief historical account of diamondoids, from the discovery of the first diamondoid member, adamantane, to the isolation of higher diamondoids about a decade ago. It summarizes the different approaches to synthesizing diamondoids. In particular, current research on the conventional organic synthesis and new approaches based on microplasmas generated in high-pressure and supercritical fluids are reviewed and the advantages and disadvantages of the different methods discussed. The book will serve as a reference for advanced undergraduate- and graduate-level students in chemistry, physics, materials science, and nanotechnology and researchers in macromolecular science, nanotechnology, chemistry, biology, and medicine, especially those with an interest in nanoparticles.

Femtochemistry and Femtobiology

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Author : Abderrazzak Douhal
Publisher : World Scientific
ISBN 13 : 9810248660
Total Pages : 854 pages
Book Rating : 4.8/5 (12 download)

Book Synopsis Femtochemistry and Femtobiology by : Abderrazzak Douhal

Download or read book Femtochemistry and Femtobiology written by Abderrazzak Douhal and published by World Scientific. This book was released on 2002 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains important contributions from top international scientists on the-state-of-the-art of femtochemistry and femtobiology at the beginning of the new millennium. It consists of reviews and papers on ultrafast dynamics in molecular science.The coverage of topics highlights several important features of molecular science from the viewpoint of structure (space domain) and dynamics (time domain). First of all, the book presents the latest developments, such as experimental techniques for understanding ultrafast processes in gas, condensed and complex systems, including biological molecules, surfaces and nanostructures. At the same time it stresses the different ways to control the rates and pathways of reactive events in chemistry and biology. Particular emphasis is given to biological processes as an area where femtodynamics is becoming very useful for resolving the structural dynamics from techniques such as electron diffraction, and X-ray and IR spectroscopy. Finally, the latest developments in quantum control (in both theory and experiment) and the experimental pulse-shaping techniques are described.

Physical Interactions and Energy Exchange at the Gas-solid Interface

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Author :
Publisher :
ISBN 13 : 9780851865683
Total Pages : 410 pages
Book Rating : 4.8/5 (656 download)

Book Synopsis Physical Interactions and Energy Exchange at the Gas-solid Interface by :

Download or read book Physical Interactions and Energy Exchange at the Gas-solid Interface written by and published by . This book was released on 1986 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt: