Sub Molecular Details In The Stm Imaging Of 4 Nitrophenyl Thiolate Self Assembled Monolayers

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Sub-molecular Details in the STM Imaging of 4-nitrophenyl Thiolate Self-assembled Monolayers

Author : Goli Pourmand
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (125 download)

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Book Synopsis Sub-molecular Details in the STM Imaging of 4-nitrophenyl Thiolate Self-assembled Monolayers by : Goli Pourmand

Download or read book Sub-molecular Details in the STM Imaging of 4-nitrophenyl Thiolate Self-assembled Monolayers written by Goli Pourmand and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Self-assembled monolayers (SAMs) on solid surfaces and in particular aromatic SAMs, attracted considerable attention in recent years due to their unique electrical properties. Low packing density and irreproducibility are common problems associated with aromatic SAMs. In this study, a wide range of modification conditions were used to achieve high coverage SAMs for two common aromatic precursors, 4-nitrothiophenol and bis(4-nitrophenyl) disulfide. Characterization of the SAMs prepared from 4-nitrothiophenol using a number of techniques including scanning tunneling microscopy (STM) demonstrated the formation of highly packed aromatic SAMs along with observation of distinct superstructures on gold that with further analysis revealed the ability of STM to image sub-molecular details of molecules. SAMs prepared from the disulfide lead to a chemically similar monolayer but revealed a much lower coverage with no superstructures. Our results show that these distinct features are most likely induced by SAM stress and the molecules which are involved in making these structures are in a frozen state allowing for the sub molecular details to be observed by STM.

Self-assembled Monolayers

Author : Al-Amin Dhirani
Publisher :
ISBN 13 :
Total Pages : 152 pages
Book Rating : 4.:/5 (718 download)

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Book Synopsis Self-assembled Monolayers by : Al-Amin Dhirani

Download or read book Self-assembled Monolayers written by Al-Amin Dhirani and published by . This book was released on 1996 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Self Assembly of N-Alkanethiolate Monolayers on Silver Nano-Structures: Determination of the Apparent Thickness of the Monolayer by Scanning Tunneling Microscopy

Download Self Assembly of N-Alkanethiolate Monolayers on Silver Nano-Structures: Determination of the Apparent Thickness of the Monolayer by Scanning Tunneling Microscopy PDF Online Free

Author :
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Self Assembly of N-Alkanethiolate Monolayers on Silver Nano-Structures: Determination of the Apparent Thickness of the Monolayer by Scanning Tunneling Microscopy by :

Download or read book Self Assembly of N-Alkanethiolate Monolayers on Silver Nano-Structures: Determination of the Apparent Thickness of the Monolayer by Scanning Tunneling Microscopy written by and published by . This book was released on 1994 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The STM is employed to monitor the effect of adsorption of an n-alkanethiolate monolayer, from an aqueous solution of the thiol, on the apparent topography of nanoscopic silver adsorption sites. Silver nano-disk structures were electrochemically deposited on graphite surfaces using the STM. The topography of these adsorption sites was then determined in-situ by STM imaging prior to the exposure of the nano-structure to an aqueous solution of an n- alkane thiol. The apparent thickness of the self-assembled monolayer (SAM), estimated from the difference in the nano-structure height measured before and after adsorption of the monolayer, increased linearly with the alkyl chain length for five n-alkane thiols (i.e., CnH(2n+1)SH) having even numbered chain lengths from n=10 to 18. For SAMs of tetradecane thiol, hexadecane thiol, and octadecane thiol, the average height increments equaled the expected all-trans chain length of these molecules indicating that little penetration of the STM tip into the surface of the monolayer occurs during the STM imaging experiment. STM, N-alkane thiols, Biological, Lithography, Passivation.

Organic Sulfenyl Chlorides as Precursors for the Modification of Gold Surfaces

Author : Hamida Muhammad
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)

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Book Synopsis Organic Sulfenyl Chlorides as Precursors for the Modification of Gold Surfaces by : Hamida Muhammad

Download or read book Organic Sulfenyl Chlorides as Precursors for the Modification of Gold Surfaces written by Hamida Muhammad and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Experimental Relations of Gold (and Other Metals) to Light

Author : Michael Faraday
Publisher :
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.B/5 (1 download)

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Book Synopsis Experimental Relations of Gold (and Other Metals) to Light by : Michael Faraday

Download or read book Experimental Relations of Gold (and Other Metals) to Light written by Michael Faraday and published by . This book was released on 1857 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Core Concepts in Supramolecular Chemistry and Nanochemistry

Author : Jonathan W. Steed
Publisher : John Wiley & Sons
ISBN 13 : 9780470858707
Total Pages : 320 pages
Book Rating : 4.8/5 (587 download)

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Book Synopsis Core Concepts in Supramolecular Chemistry and Nanochemistry by : Jonathan W. Steed

Download or read book Core Concepts in Supramolecular Chemistry and Nanochemistry written by Jonathan W. Steed and published by John Wiley & Sons. This book was released on 2007-04-30 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: Supramolecular chemistry and nanochemistry are two strongly interrelated cutting edge frontiers in research in the chemical sciences. The results of recent work in the area are now an increasing part of modern degree courses and hugely important to researchers. Core Concepts in Supramolecular Chemistry and Nanochemistry clearly outlines the fundamentals that underlie supramolecular chemistry and nanochemistry and takes an umbrella view of the whole area. This concise textbook traces the fascinating modern practice of the chemistry of the non-covalent bond from its fundamental origins through to it expression in the emergence of nanochemistry. Fusing synthetic materials and supramolecular chemistry with crystal engineering and the emerging principles of nanotechnology, the book is an ideal introduction to current chemical thought for researchers and a superb resource for students entering these exciting areas for the first time. The book builds from first principles rather than adopting a review style and includes key references to guide the reader through influential work. supplementary website featuring powerpoint slides of the figures in the book further references in each chapter builds from first principles rather than adopting a review style includes chapter on nanochemistry clear diagrams to highlight basic principles

Self-assembled Monolayers of Thiols

Author : Abraham Ulman
Publisher :
ISBN 13 : 9780125330244
Total Pages : 0 pages
Book Rating : 4.3/5 (32 download)

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Book Synopsis Self-assembled Monolayers of Thiols by : Abraham Ulman

Download or read book Self-assembled Monolayers of Thiols written by Abraham Ulman and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work looks at thin films and self-assembled monolayers of thiols. It is aimed at researchers in chemistry, materials science, electrical engineering, biology and condensed matter physics.

ACS Style Guide

Author : Anne M. Coghill
Publisher : American Chemical Society
ISBN 13 : 9780841239494
Total Pages : 0 pages
Book Rating : 4.2/5 (394 download)

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Book Synopsis ACS Style Guide by : Anne M. Coghill

Download or read book ACS Style Guide written by Anne M. Coghill and published by American Chemical Society. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the time since the second edition of The ACS Style Guide was published, the rapid growth of electronic communication has dramatically changed the scientific, technical, and medical (STM) publication world. This dynamic mode of dissemination is enabling scientists, engineers, and medicalpractitioners all over the world to obtain and transmit information quickly and easily. An essential constant in this changing environment is the requirement that information remain accurate, clear, unambiguous, and ethically sound.This extensive revision of The ACS Style Guide thoroughly examines electronic tools now available to assist STM writers in preparing manuscripts and communicating with publishers. Valuable updates include discussions of markup languages, citation of electronic sources, online submission ofmanuscripts, and preparation of figures, tables, and structures. In keeping current with the changing environment, this edition also contains references to many resources on the internet.With this wealth of new information, The ACS Style Guide's Third Edition continues its long tradition of providing invaluable insight on ethics in scientific communication, the editorial process, copyright, conventions in chemistry, grammar, punctuation, spelling, and writing style for any STMauthor, reviewer, or editor. The Third Edition is the definitive source for all information needed to write, review, submit, and edit scholarly and scientific manuscripts.

Nanotechnology in Catalysis 3

Author : Bing Zhou
Publisher : Springer Science & Business Media
ISBN 13 : 0387346880
Total Pages : 342 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Nanotechnology in Catalysis 3 by : Bing Zhou

Download or read book Nanotechnology in Catalysis 3 written by Bing Zhou and published by Springer Science & Business Media. This book was released on 2007-09-05 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume continues the tradition formed in Nanotechnology in Catalysis 1 and 2. As with those books, this one is based upon an ACS symposium. Some of the most illustrious names in heterogeneous catalysis are among the contributors. The book covers: Design, synthesis, and control of catalysts at nanoscale; understanding of catalytic reaction at nanometer scale; characterization of nanomaterials as catalysts; nanoparticle metal or metal oxides catalysts; nanomaterials as catalyst supports; new catalytic applications of nanomaterials.

Immobilized Biocatalysts

Author : Peter Grunwald
Publisher : MDPI
ISBN 13 : 3038973181
Total Pages : 511 pages
Book Rating : 4.0/5 (389 download)

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Book Synopsis Immobilized Biocatalysts by : Peter Grunwald

Download or read book Immobilized Biocatalysts written by Peter Grunwald and published by MDPI. This book was released on 2018-11-14 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a printed edition of the Special Issue "Immobilized Biocatalysts" that was published in Catalysts

2d Inorganic Materials Beyond Graphene

Author : C N R Rao
Publisher : World Scientific
ISBN 13 : 1786342715
Total Pages : 474 pages
Book Rating : 4.7/5 (863 download)

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Book Synopsis 2d Inorganic Materials Beyond Graphene by : C N R Rao

Download or read book 2d Inorganic Materials Beyond Graphene written by C N R Rao and published by World Scientific. This book was released on 2017-08-28 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two-dimensional materials have had widespread applications in nanoelectronics, catalysis, gas capture, water purification, energy storage and conversion. Initially based around graphene, research has since moved on to looking at alternatives, including transitions metal dichalcogenides, layered topological insulators, metallic mono-chalcogenides, borocarbonitrides and phosphorene.This book provides a review of research in the field of these materials, including investigation into their defects, analysis on hybrid structures focusing on their properties and synthesis, and characterization and applications of 2D materials beyond graphene. It is designed to be a single-point reference for students, teachers and researchers of chemistry and its related subjects, particularly in the field of nanomaterials.

Surface and Thin Film Analysis

Author : Gernot Friedbacher
Publisher : Wiley-VCH
ISBN 13 : 9783527320479
Total Pages : 0 pages
Book Rating : 4.3/5 (24 download)

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Book Synopsis Surface and Thin Film Analysis by : Gernot Friedbacher

Download or read book Surface and Thin Film Analysis written by Gernot Friedbacher and published by Wiley-VCH. This book was released on 2011-06-07 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Surveying and comparing all techniques relevant for practical applications in surface and thin film analysis, this second edition of a bestseller is a vital guide to this hot topic in nano- and surface technology. This new book has been revised and updated and is divided into four parts - electron, ion, and photon detection, as well as scanning probe microscopy. New chapters have been added to cover such techniques as SNOM, FIM, atom probe (AP),and sum frequency generation (SFG). Appendices with a summary and comparison of techniques and a list of equipment suppliers make this book a rapid reference for materials scientists, analytical chemists, and those working in the biotechnological industry. From a Review of the First Edition (edited by Bubert and Jenett) "... a useful resource..." (Journal of the American Chemical Society)

Graphene Oxide: Physics and Applications

Author : Jijun Zhao
Publisher : Springer
ISBN 13 : 3662448297
Total Pages : 161 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Graphene Oxide: Physics and Applications by : Jijun Zhao

Download or read book Graphene Oxide: Physics and Applications written by Jijun Zhao and published by Springer. This book was released on 2014-10-23 with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of graphene oxides (GO) from atomic structures and fundamental properties to technological applications. Atomic structural models, electronic properties, mechanical properties, optical properties, and functionalizing and compositing of GO are illustrated. Moreover, the excellent physical and chemical properties offer GO promising applications in electronic nanodevices, chemical sensors and catalyst, energy storage, and biotechnology, which are also presented in this book. Therefore, this book is of interest to researchers in physics, chemistry, materials science, and nanoscience.

Engineering of Crystalline Materials Properties

Author : Juan J. Novoa
Publisher : Springer Science & Business Media
ISBN 13 : 1402068239
Total Pages : 520 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Engineering of Crystalline Materials Properties by : Juan J. Novoa

Download or read book Engineering of Crystalline Materials Properties written by Juan J. Novoa and published by Springer Science & Business Media. This book was released on 2007-12-14 with total page 520 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume collects the state of the art in molecular materials. It collects the lecture notes of a series of lectures given by some of the best specialists in the field at the 2007 Erice International School of Crystallography, and also a NATO-ASI course. The school first established "where we are" in terms of modeling, design, synthesis and applications of crystalline solids with predefined properties and then defined current and possible futuristic lines of development.

Nanozymes: Next Wave of Artificial Enzymes

Author : Xiaoyu Wang
Publisher : Springer
ISBN 13 : 3662530686
Total Pages : 134 pages
Book Rating : 4.6/5 (625 download)

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Book Synopsis Nanozymes: Next Wave of Artificial Enzymes by : Xiaoyu Wang

Download or read book Nanozymes: Next Wave of Artificial Enzymes written by Xiaoyu Wang and published by Springer. This book was released on 2016-07-27 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the fundamental concepts, the latest developments and the outlook of the field of nanozymes (i.e., the catalytic nanomaterials with enzymatic characteristics). As one of today’s most exciting fields, nanozyme research lies at the interface of chemistry, biology, materials science and nanotechnology. Each of the book’s six chapters explores advances in nanozymes. Following an introduction to the rise of nanozymes research in the course of research on natural enzymes and artificial enzymes in Chapter 1, Chapters 2 through 5 discuss different nanomaterials used to mimic various natural enzymes, from carbon-based and metal-based nanomaterials to metal oxide-based nanomaterials and other nanomaterials. In each of these chapters, the nanomaterials’ enzyme mimetic activities, catalytic mechanisms and key applications are covered. In closing, Chapter 6 addresses the current challenges and outlines further directions for nanozymes. Presenting extensive information on nanozymes and supplemented with a wealth of color illustrations and tables, the book offers an ideal guide for readers from disparate areas, including analytical chemistry, materials science, nanoscience and nanotechnology, biomedical and clinical engineering, environmental science and engineering, green chemistry, and novel catalysis.

Cyclodextrin Chemistry

Author : M. L. Bender
Publisher : Springer Science & Business Media
ISBN 13 : 3642668429
Total Pages : 107 pages
Book Rating : 4.6/5 (426 download)

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Book Synopsis Cyclodextrin Chemistry by : M. L. Bender

Download or read book Cyclodextrin Chemistry written by M. L. Bender and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry was at one time completely described in terms of collision theo ry, in which one molecule collided with another, sometimes producing reac tion. Then came the realization that enzymes which are highly efficient ca talysts, work by way of prior complexation, often stereospecific, which is then followed by chemical reaction. Thus, systems that exhibit "host-guest" relationships, i.e., that show complexing are being looked at an ever in creasing frequency. The cyclodextrins are the first and probably the most important example of compounds that exhibits complex formation. This is a book about the cyclodextrins. There are of course other compounds that exhibit "host-guest" relationships and thus bind other organic molecules, but so far they have not achieved the importance of the cyclodextrins. By their name it is obvious that cyclodextrins are cyclic compounds. The complexes that they form are therefore cyclic inclusion complexes. Because the complexes are cyclic in nature, complexation can be very strong, as op posed to 1t-complex, electrostatic, or apolar complexes in which complex formation is two-dimensional rather than three-dimensional. Cyclodextrins turn out to be excellent models of enzymes. This is proba bly not fortuitous because they were first sought since it was discovered that the principal binding in the enzyme chymotrypsin was a cyclic inclusion complex. Cyclodextrins can do more than form cyclic inclusion complexes, they can catalyze as well. But catalysis always occurs after complex formation.

Contaminant Geochemistry

Author : Brian Berkowitz
Publisher : Springer Science & Business
ISBN 13 : 364254777X
Total Pages : 582 pages
Book Rating : 4.6/5 (425 download)

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Book Synopsis Contaminant Geochemistry by : Brian Berkowitz

Download or read book Contaminant Geochemistry written by Brian Berkowitz and published by Springer Science & Business. This book was released on 2014-04-22 with total page 582 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this updated and expanded second edition, new literature has been added on contaminant fate in the soil-subsurface environment. In particular, more data on the behavior of inorganic contaminants and on engineered nanomaterials were included, the latter comprising a group of “emerging contaminants” that may reach the soil and subsurface zones. New chapters are devoted to a new perspective of contaminant geochemistry, namely irreversible changes in pristine land and subsurface systems following chemical contamination. Two chapters were added on this topic, focusing attention on the impact of chemical contaminants on the matrix and properties of both liquid and solid phases of soil and subsurface domains. Contaminant impacts on irreversible changes occurring in groundwater are discussed and their irreversible changes on the porous medium solid phase are surveyed. In contrast to the geological time scale controlling natural changes of porous media liquid and solid phases, the time scale associated with chemical pollutant induced changes is far shorter and extends over a “human lifetime scale”.