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Showing 1 to 12 of 228 entries
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Redox active dendronized polystyrenes equipped with peripheral triarylamines.

Beilstein journal of organic chemistry

Nokami T, Musya N, Morofuji T, Takeda K, Takumi M, Shimizu A, Yoshida J.
PMID: 25670978
Beilstein J Org Chem. 2014 Dec 22;10:3097-103. doi: 10.3762/bjoc.10.326. eCollection 2014.

Dendronized polystyrene having peripheral bromo groups was prepared from the dendronization of unfunctionalized polystyrene with dendritic diarylcarbenium ions bearing peripheral bromo groups using the "cation pool" method. The palladium-catalyzed amination of the peripheral bromo groups with diarylamine gave dendronized...

Surface segregation driven by molecular architecture asymmetry in polymer blends.

Physical review letters

Lee JS, Lee NH, Peri S, Foster MD, Majkrzak CF, Hu R, Wu DT.
PMID: 25494077
Phys Rev Lett. 2014 Nov 28;113(22):225702. doi: 10.1103/PhysRevLett.113.225702. Epub 2014 Nov 26.

The contributions of chain ends and branch points to surface segregation of long-branched chains in blends with linear chains have been studied using neutron reflectometry and surface-enhanced Raman spectroscopy for a series of novel, well-defined polystyrenes. A linear response...

Structure and luminescent property of complexes of aryl carboxylic acid-functionalized polystyrene with Eu(III) and Tb(III) ions.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

Gao B, Shi N, Qiao Z.
PMID: 26086996
Spectrochim Acta A Mol Biomol Spectrosc. 2015 Nov 05;150:565-74. doi: 10.1016/j.saa.2015.05.078. Epub 2015 May 30.

Via polymer reactions, naphthoic acid (NA) and benzoic acid (BA) were bonded onto the side chains of polystyrene (PS), respectively, and two aryl carboxylic acid-functionalized polystyrenes, PSNA and PSBA, were obtained. Using PSNA and PSBA as macromolecule ligands and...

Bis(phenolate)amine-supported lanthanide borohydride complexes for styrene and trans-1,4-isoprene (co-)polymerisations.

Dalton transactions (Cambridge, England : 2003)

Bonnet F, Dyer HE, El Kinani Y, Dietz C, Roussel P, Bria M, Visseaux M, Zinck P, Mountford P.
PMID: 25997125
Dalton Trans. 2015 Jul 21;44(27):12312-25. doi: 10.1039/c5dt00252d.

New bis(phenolate)amine-supported neodymium borohydride complexes and their previously reported samarium analogues were tested as catalysts for the polymerisation of styrene and isoprene. Reaction of Na2O2N(L) (L = py, OMe, NMe2) with Nd(BH4)3(THF)3 afforded the borohydride complexes Nd(O2N(L))(BH4)(THF) (L =...

Structure, Optical Absorption, and Performance of Organic Solar Cells Improved by Gold Nanoparticles in Buffer Layers.

ACS applied materials & interfaces

Yang Y, Feng S, Li M, Wu Z, Fang X, Wang F, Geng D, Yang T, Li X, Sun B, Gao X.
PMID: 26477556
ACS Appl Mater Interfaces. 2015 Nov 11;7(44):24430-7. doi: 10.1021/acsami.5b07983. Epub 2015 Oct 27.

11-Mercaptoundecanoic acid (MUA)-stabilized gold nanoparticles (AuNPs) embedded in copper phthalocyanine (CuPc) were used as a buffer layer between a poly(3-hexyl-thiophene) (P3HT)/[6,6]-phenyl C61-butyric acid methyl ester (PCBM) bulk heterojunction and anodic indium-tin oxide (ITO) substrate. As systematic synchrotron-based grazing incidence...

Omnidirectional Harvesting of Weak Light Using a Graphene Quantum Dot-Modified Organic/Silicon Hybrid Device.

ACS nano

Tsai ML, Tsai DS, Tang L, Chen LJ, Lau SP, He JH.
PMID: 28430415
ACS Nano. 2017 May 23;11(5):4564-4570. doi: 10.1021/acsnano.6b08567. Epub 2017 Apr 27.

Despite great improvements in traditional inorganic photodetectors and photovoltaics, more progress is needed in the detection/collection of light at low-level conditions. Traditional photodetectors tend to suffer from high noise when operated at room temperature; therefore, these devices require additional...

A Novel and Facile One-Pot Solvothermal Synthesis of PEDOT-PSS/Ni-Mn-Co-O Hybrid as an Advanced Supercapacitor Electrode Material.

ACS applied materials & interfaces

Yin C, Yang C, Jiang M, Deng C, Yang L, Li J, Qian D.
PMID: 26794146
ACS Appl Mater Interfaces. 2016 Feb 03;8(4):2741-52. doi: 10.1021/acsami.5b11022. Epub 2016 Jan 21.

In this work, a novel and facile one-pot method has been developed for the synthesis of a hybrid consisting of Ni-Mn-Co ternary oxide and poly(3,4-ethylenedioxythiophene)-polystyrenesulfonate (PEDOT-PSS/NMCO) with a hierarchical three-dimensional net structure via a solvothermal-coprecipitation coupled with oxidative polymerization...

Transparent conductive oxide-free perovskite solar cells with PEDOT:PSS as transparent electrode.

ACS applied materials & interfaces

Sun K, Li P, Xia Y, Chang J, Ouyang J.
PMID: 26132334
ACS Appl Mater Interfaces. 2015 Jul 22;7(28):15314-20. doi: 10.1021/acsami.5b03171. Epub 2015 Jul 10.

UNLABELLED: Perovskite solar cells (PSCs) have been attracting considerable attention because of their low fabrication cost and impressive energy conversion efficiency. Most PSCs are built on transparent conductive oxides (TCOs) such as fluorine-doped tin oxide (FTO) or indium tin...

Evidence of simple intramolecular rearrangement at polymer end groups in secondary ion mass spectrometry.

Rapid communications in mass spectrometry : RCM

Eynde XV, Oike H, Hamada M, Tezuka Y, Bertrand P.
PMID: 10487938
Rapid Commun Mass Spectrom. 1999 Oct 15;13(19):1917-1923. doi: 10.1002/(SICI)1097-0231(19991015)13:19<1917::AID-RCM733>3.0.CO;2-P.

Polystyrenes with various end groups were analyzed by time-of-flight secondary ion mass spectrometry (TOF-SIMS). These end groups were obtained by termination of the active anionic group by sulfonate or chlorosilane derivatives. Characteristic end group fragments for each sulfonate derivative...

Polymer-coated ferromagnetic colloids from well-defined macromolecular surfactants and assembly into nanoparticle chains.

Journal of the American Chemical Society

Korth BD, Keng P, Shim I, Bowles SE, Tang C, Kowalewski T, Nebesny KW, Pyun J.
PMID: 16704248
J Am Chem Soc. 2006 May 24;128(20):6562-3. doi: 10.1021/ja0609147.

A novel synthetic route to polymer-coated ferromagnetic colloids of metallic cobalt has been developed. Well-defined end-functional polystyrenes were synthesized using controlled radical polymerization and used as surfactants in the thermolysis of dicobaltoctacarbonyl to afford uniform ferromagnetic nanoparticles. The presence...

Tandem mass spectrometry characteristics of silver-cationized polystyrenes: backbone degradation via free radical chemistry.

Analytical chemistry

Polce MJ, Ocampo M, Quirk RP, Wesdemiotis C.
PMID: 18085749
Anal Chem. 2008 Jan 15;80(2):347-54. doi: 10.1021/ac071071k. Epub 2007 Dec 18.

The [M + Ag](+) ions of polystyrene (PS) oligomers are formed by matrix-assisted laser desorption/ionization, and their fragmentation characteristics are determined by tandem mass spectrometry experiments in a quadrupole/time-of-flight mass spectrometer. Collisionally activated dissociation (CAD) of [M + Ag](+)...

Allyl ansa-lanthanidocenes: single-component, single-site catalysts for controlled syndiospecific styrene and styrene-ethylene (Co)polymerization.

Chemistry (Weinheim an der Bergstrasse, Germany)

Rodrigues AS, Kirillov E, Lehmann CW, Roisnel T, Vuillemin B, Razavi A, Carpentier JF.
PMID: 17309082
Chemistry. 2007;13(19):5548-65. doi: 10.1002/chem.200601708.

A series of new neutral allyl Group 3 metal complexes bearing ansa-bridged fluorenyl/cyclopentadienyl ligands [[Flu-EMe(2)-(3-R-Cp)]Ln(eta(3)-C(3)H(5))(THF)] (E=C, R=H, Ln=Y (2), La (3), Nd (4), Sm (5); R=tBu, Ln=Y (8), Nd (9); E=Si, R=H, Ln=Y (12), Nd (13)) were synthesized in...

Showing 1 to 12 of 228 entries