DESIGN, SYNTHESIS, PHOTOPHYSICAL, AND ELECTROCHEMICAL STUDIES OF NOVEL CYCLOMETALATED PYRAZOLATE-BRIDGED DINUCLEAR PLATINUM(II) COMPLEXES

DESIGN, SYNTHESIS, PHOTOPHYSICAL, AND ELECTROCHEMICAL STUDIES OF NOVEL CYCLOMETALATED PYRAZOLATE-BRIDGED DINUCLEAR PLATINUM(II) COMPLEXES
Author: Arnab Chakraborty
Publisher:
Total Pages: 154
Release: 2014
Genre: Electrochemical analysis
ISBN:

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The present dissertation describes the synthesis, photophysical, and electrochemical properties of a library of pyrazolate-bridged dinuclear cyclometalated platinum(II) complexes. All the complexes investigated here were synthesized with complete characterization. Both the steady state, as well as the time-resolved photophysical techniques employed during the study, helped in defining the photophysical behavior exhibited by such complexes. All the dinuclear Pt(II) complexes discussed here can be expressed by a general formula [Pt(C^N)(µ-R2pz)]2; where C^N is a cyclometalating ligand, and R2Pz are various 3,5-disubstituted pyrazolates. The bridging pyrazolates initiates the metal-metal interaction by building up steric strain within the resulting A-frame topology of the complexes. All the Pt(II) complexes are strongly emissive at room temperature. The influence of the nature of cyclometalating ligand, and the bridging pyrazolates on the photophysical and electrochemical behavior displayed by the complexes were thoroughly investigated. Both room temperature and low temperature measurements aided in distinguishing the nature of lowest energy emissive state present in such complexes. The second part of this dissertation merges our research interest in metal-organic light harvesting chromophores and MLCT complexes with extended lifetime. The dinuclear platinum(II) complexes investigated, have a 4-piperidinyl-1,8-naphthalimide (PNI) unit covalently attached to the cyclometalating 2-phenylpyridine ligand. The resulting bichromophoric complex displayed an enhanced light harvesting ability as compared to the parent dimers. Our study is an effort towards understanding the influence of increased metal-metal interaction on the establishment of a thermal equilibrium between the 3PNI and the 3MMLCT excited states.

Carboranes

Carboranes
Author: Russell N. Grimes
Publisher: Academic Press
Total Pages: 1060
Release: 2016-08-09
Genre: Science
ISBN: 0128019050

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Carboranes, Third Edition, by Russell Grimes, is the definitive resource on the subject. Completely updated with a wealth of research and review articles published in this active field since the previous volume was released in 2011, the book provides a readable and concise introduction to the basic principles underlying the synthesis, structures, and reactions of carboranes, heterocarboranes, and metallacarboranes. Following the valuable foundational information, the book explores the advances in practical applications for the many areas in which experts have discovered that carboranes afford new possibilities for solving problems and advancing the science. These disciplines include polymer science, catalysis, biomedicine, nanomaterials, and others. Winner of a 2017 Textbook Excellence Award (Texty) from the Textbook and Academic Authors Association Includes over 2,000 molecular structure drawings throughout the text Features expanded coverage on applications of carboranes, particularly in biomedicine and nanomaterials, given the growth of research in these areas Presents extended and updated tables, listing thousands of compounds with key literature references, provided online via the book’s website Explores the advances in practical applications for the many areas in which experts have discovered that carboranes afford new possibilities for solving problems and advancing the science

C-C Bond Activation

C-C Bond Activation
Author: Guangbin Dong
Publisher: Springer
Total Pages: 265
Release: 2014-09-18
Genre: Science
ISBN: 364255055X

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The series Topics in Current Chemistry presents critical reviews of the present and future trends in modern chemical research. 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. Review articles for the individual volumes are invited by the volume editors. Readership: research chemists at universities or in industry, graduate students

Mass Spectrometry of Inorganic and Organometallic Compounds

Mass Spectrometry of Inorganic and Organometallic Compounds
Author: William Henderson
Publisher: John Wiley & Sons
Total Pages: 272
Release: 2005-07-15
Genre: Science
ISBN: 047001430X

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This is the first modern book to treat inorganic and organometallic mass spectrometry simultaneously. It is textbook and handbook in one; as a textbook it introduces the techniques and gives hints on how to apply the various techniques, as a handbook it lists all available ionization techniques for just about any given compound. The book also includes non-mathematical explanations of how modern MS instruments work Mass Spectrometry of Inorganic and Organometallic Compounds will inspire the synthetic inorganic and organometallic chemist with the confidence to apply some of the new techniques to their characterization problems.

Multiple Bonds between Metal Atoms

Multiple Bonds between Metal Atoms
Author: F. Albert Cotton
Publisher: Springer Science & Business Media
Total Pages: 856
Release: 2005-06-28
Genre: Science
ISBN: 9780387250847

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Provides historical perspective as well as current data Abundantly illustrated with figures redrawn from literature data Covers all pertinent theory and physical chemistry Catalytic and chemotherapeutic applications are included

Alkane Functionalization

Alkane Functionalization
Author: Armando J. L. Pombeiro
Publisher: John Wiley & Sons
Total Pages: 680
Release: 2019-03-11
Genre: Science
ISBN: 111937880X

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Presents state-of-the-art information concerning the syntheses of valuable functionalized organic compounds from alkanes, with a focus on simple, mild, and green catalytic processes Alkane Functionalization offers a comprehensive review of the state-of-the-art of catalytic functionalization of alkanes under mild and green conditions. Written by a team of leading experts on the topic, the book examines the latest research developments in the synthesis of valuable functionalized organic compounds from alkanes. The authors describe the various modes of interaction of alkanes with metal centres and examine theoxidative alkane functionalization upon C-O bond formation. They address the many types of mechanisms, discuss typical catalytic systems and highlight the strategies inspired by biological catalytic systems. The book also describes alkane functionalization upon C-heteroatom bond formation as well as oxidative and non-oxidative approaches. In addition, the book explores non-transition metal catalysts and metal-free catalytic systems and presents selected types of functionalization of sp3 C-H bonds pertaining to substrates other than alkanes. This important resource: Presents a guide to the most recent advances concerning the syntheses of valuable functionalized organic compounds from alkanes Contains information from leading experts on the topic Offers information on the catalytic functionalization of alkanes that allows for improved simplicity and sustainability compared to current multi-stage industrial processes Explores the challenges inherent with the application of alkanes as starting materials for syntheses of added value functionalized organic compounds Written for academic researchers and industrial scientists working in the fields of coordination chemistry, organometallic chemistry, catalysis, organic synthesis and green chemistry, Alkane Functionalization is an important resource for accessing the most up-to-date information available in the field of catalytic functionalization of alkanes.

Nanomaterials For Energy Conversion And Storage

Nanomaterials For Energy Conversion And Storage
Author: Dunwei Wang
Publisher: World Scientific
Total Pages: 836
Release: 2017-11-10
Genre: Science
ISBN: 1786343649

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The use of nanomaterials in energy conversion and storage represents an opportunity to improve the performance, density and ease of transportation in renewable resources. This book looks at the most recent research on the topic, with particular focus on artificial photosynthesis and lithium-ion batteries as the most promising technologies to date. Research on the broad subject of energy conversion and storage calls for expertise from a wide range of backgrounds, from the most fundamental perspectives of the key catalytic processes at the molecular level to device scale engineering and optimization. Although the nature of the processes dictates that electrochemistry is a primary characterization tool, due attention is given to advanced techniques such as synchrotron studies in operando. These studies look at the gap between the performance of current technology and what is needed for the future, for example how to improve on the lithium-ion battery and to go beyond its capabilities.Suitable for students and practitioners in the chemical, electrochemical, and environmental sciences, Nanomaterials for Energy Conversion and Storage provides the information needed to find scalable, economically viable and safe solutions for sustainable energy.