Silylation of Organic Chemicals

Roth, Carl

doi:10.1021/i360042a003

Cited by 48 publications

(17 citation statements)

References 8 publications

(9 reference statements)

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“…(1) the cycloaddition of molecules with alkene or alkyne functions to the clean, 2 ð 1 reconstructed, (100) oriented surfaces; 4,5 (2) the condensation of molecules containing alcoholic groups at hydroxyl-terminated silicon surfaces; 6 (3) the silanization of hydroxyl-terminated surfaces 7 as well as of hydrogen-terminated surfaces 8 via reaction with chlorosilane-terminated molecules and elimination of HCl; (4) the silanization of hydrogen-terminated surfaces via reaction with azanes and elimination of NH 3 ; 8 (5) the arylation of hydrogen-terminated silicon via its reaction with diazonium salts and N 2 elimination; 9 and (6) the hydrosilation of alkenes at hydrogen-terminated surfaces. 4,5 A different classification of these processes is based on silicon terminations:…”

Section: Introductionmentioning

confidence: 99%

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

Cerofolini¹,

Galati²,

Reina³

et al. 2006

Surf. Interface Anal.

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A quantitative angle-resolved XPS analysis was carried out of the carbonaceous films resulting from the derivatization under mild thermal activation of nearly flat, terraced, dihydrogen-terminated, 1 × 1 (100) Si with 1-octene or 1-octyne. The analysis of the C 1s signal gave evidence for the presence of carbon in carbide configuration (Si-C bonds) at the substrate-film interface, in addition to the alkanic carbon and adventitious oxidized carbon (C-O bonds) produced by the oxidizing impurities flawing the reaction. Assuming the surface as uniformly covered, the analysis showed that for both reactants the films were closely packed.

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Section: Introductionmentioning

confidence: 99%

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

Cerofolini¹,

Galati²,

Reina³

et al. 2006

Surf. Interface Anal.

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“…Silylamines are important silicon compounds that have been used as silylation and coupling agents, ligands for organometallic compounds, and precursors for Si, N polymeric materials. [1] Catalytic cross-dehydrogenative coupling [CDC; Eq. (1)] of amines with silanes presents the most attractive and atom-economic synthetic approach for silylamines because the only by-product is hydrogen.…”

mentioning

confidence: 99%

[(NHC)Yb{N(SiMe₃)₂}₂]‐Catalyzed Cross‐Dehydrogenative Coupling of Silanes with Amines

Xie

Cui

2012

Angewandte Chemie

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Selten aktiv: [(NHC)Yb{N(SiMe3)2}2]‐Addukte (NHC=N‐heterocyclisches Carben) sind effiziente Katalysatoren für die katalytische dehydrierende Kreuzkupplung von Silanen mit primären und sekundären Aminen. Die Reaktion gelingt unter milden Bedingungen und liefert die Silylamine in hohen Ausbeuten (82–100 %). Die katalytische Aktivität und Selektivität der Seltenerdmetallsilylamide kann über die Sterik des NHC‐Liganden moduliert werden.

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“…Cycloaddition [139][140][141][142][143] Condensation [144,145] Silanization with chlorosilanes and trichlorosilanes with azanes [146][147][148] Arylation [149] Hydrosilation [138,[150][151][152][153][154] Phosphonation [155][156][157] Reaction with metal organic reagents/Grignard route [158][159][160] Electrochemical deposition See Figure 5 in section 1.3 of this review [161,162] Brought to you by | University of New Orleans Authenticated Download Date | 5/29/15 4:06 PM for the study of monolayers. In 1917 Irving Langmuir [166] developed the theoretical and experimental fundamentals that lead to the birth of a new method for the fabrication of ordered monomolecular films on a liquid surface, which are also known as Langmuir films.…”

Section: Reaction Referencementioning

confidence: 99%

Nanofabrication techniques of highly organized monolayers sandwiched between two electrodes for molecular electronics

2014

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Molecular electronics [1,2] is a promising field of research based on the idea that a single molecule or two dimensional assemblies of molecules (monomolecular films) can work as wires, switches, rectifiers, etc. Molecules are the smallest functional units and therefore it is expected that the use of molecules will permit to catch up with the limits of miniaturization (MM: more Moore), with an increase in device density by a factor of several orders of magnitude compared to today's state of the art. At the same time due to quantum effects novel and remarkable properties of organic and organometallic compounds at the nanoscale devices will result in increased performance (MtM: more than Moore) together with the appearance of new functions not possible with conventional semiconductors, and also cheaper devices due to the non-dependence of expensive materials used today in CMOS (complementary metal-oxide semiconductor) technology such as hafnium oxide. Nowadays, the number of research groups from different disciplines of science contributing to molecular electronics is gradually growing, and this field is becoming of great scientific and technological interest [1,3-8]. Since the seminal work of Aviram and Ratner in 1974 who firstly suggested that a single molecule could function as a rectifier [9], molecules have been experimentally demonstrated to work as switches, molecular wires or rectifiers, and a new field of opportunities is opened due to the understanding of electron transport through single entities or assemblies of molecules and expansion towards work on molecular spintronics, vibronic effects, excitation of the molecular junction with polarized light, quantum interference and decoherence, molecular chirality, molecular stretching and distortion as well as work on thermoelectric response in molecular junctions.Abstract: It is expected that molecular electronics, i.e., the use of molecules as critical functional elements in electronic devices, will lead in the near future to an industrial exploitable novel technology, which will open new routes to high value-added electronic products. However, despite the enormous advances in this field several scientific and technological challenges should be surmounted before molecular electronics can be implemented in the market. Among these challenges are the fabrication of reliable, robust and uniform contacts between molecules and electrodes, the deposition of the second (top) contact electrode, and development of assembly strategies for precise placement of molecular materials within device structures. This review covers advances in nanofabrication techniques used for the assembly of monomolecular films onto conducting or semiconducting substrates as well as recent methods developed for the deposition of the top contact electrode highlighting the advantages and limitations of the several approaches used in the literature. This contribution also aims to define areas of outstanding challenges in the nanofabrication of monomolecular layers sandwiched between two electro...

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Silylation of Organic Chemicals

Cited by 48 publications

References 8 publications

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

[(NHC)Yb{N(SiMe₃)₂}₂]‐Catalyzed Cross‐Dehydrogenative Coupling of Silanes with Amines

Nanofabrication techniques of highly organized monolayers sandwiched between two electrodes for molecular electronics

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Silylation of Organic Chemicals

Cited by 48 publications

References 8 publications

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

Quantitative XPS analysis of hydrosilated 1-alkene and 1-alkyne at terraced, dihydrogen-terminated, 1 × 1 (100) silicon

[(NHC)Yb{N(SiMe3)2}2]‐Catalyzed Cross‐Dehydrogenative Coupling of Silanes with Amines

Nanofabrication techniques of highly organized monolayers sandwiched between two electrodes for molecular electronics

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[(NHC)Yb{N(SiMe₃)₂}₂]‐Catalyzed Cross‐Dehydrogenative Coupling of Silanes with Amines