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270 Newest Publications in journal of materials chemistry

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Nanofiber growth and alignment in solution processed n-type naphthalene-diimide-based polymeric field-effect transistors

21-11-2012 | Suhao Wang; Wojciech Pisula; Klaus Müllen, Journal of Materials Chemistry, 2012

The nanofiber growth of an n-type conjugated polymer poly{[N,N′-bis(2-octyldodecyl)-naphthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5,5′-(2,2′-bithiophene)}, P(NDI2OD-T2), was studied during solution processing. Highly reproducible fibrous nanostructures obtained at various dip coating ...

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Structural and defect properties of the LaPO4 and LaP5O14-based proton conductors

06-11-2012 | Satyajit Phadke; Juan C. Nino; M. Saiful Islam, Journal of Materials Chemistry, 2012

Atomistic simulation techniques are used to perform a comparative study of intrinsic defects, dopant incorporation and protonic groups in two lanthanum phosphate compounds, namely, the orthophosphate (LaPO4) and the ultraphosphate (LaP5O14). The suitability of dopant incorporation predicted from ...

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Preparation of supported hydrodesulfurization catalysts with enhanced performance using Mo-based inorganic–organic hybrid nanocrystals as a superior precursor

06-11-2012 | Wei Han; Pei Yuan; Yu Fan; Gang Shi; Haiyan Liu; Danjiang Bai; Xiaojun Bao, Journal of Materials Chemistry, 2012

This article presents a novel strategy to prepare alumina-supported Mo and MoNi hydrodesulfurization (HDS) catalysts using Mo-based inorganic–organic hybrid nanocrystals (HNCs) as a superior precursor under moderate hydrothermal conditions. The characterization results revealed that each HNC in ...

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Star-shaped hexakis(9,9-dihexyl-9H-fluoren-2-yl)benzene end-capped with carbazole and diphenylamine units: solution-processable, high Tg hole-transporting materials for organic light-emitting devices

31-10-2012 | Yang Zou; Tengling Ye; Dongge Ma; Jingui Qin; Chuluo Yang, Journal of Materials Chemistry, 2012

Two new hole-transporting materials, namely HFB-Cz and HFB-Dpa, were designed and synthesized by attaching carbazole and diphenylamine units to the hexakis(9,9-dihexyl-9H-fluoren-2-yl)benzene (HFB) core via Buchwald–Hartwig coupling reaction. The long alkyl chain and core rigidity endow these ...

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Synthesis and optical properties of 1,1-binaphthyl–thiophene alternating copolymers with main chain chirality

31-10-2012 | Kohsuke Kawabata; Hiromasa Goto, Journal of Materials Chemistry, 2012

A series of axially chiral 1,1-binaphthyl–thiophene copolymers were synthesized by Migita–Kosugi–Stille polycondensation and electrochemical polymerization. The polymers exhibit circular dichroism not only in the ultraviolet region but also in the visible region, both in solution and film states. ...

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Highly efficient and solution-processed iridium complex for single-layer yellow electrophosphorescent diodes

25-10-2012 | Xinhua Ouyang; Dongcheng Chen; Shuiming Zeng; Xingye Zhang; Shijian Su; Ziyi Ge, Journal of Materials Chemistry, 2012

A novel electrophosphorescent material based on a biscyclometalated iridium(iii) complex of the N,N-diphenyl-4′′-(1-phenyl-1H-benzo[d]imidazol-2-yl)-[1,1′:4′,1′′-terphenyl]-4-amine ligand, named Ir(TPABPBI)2(acac), has been synthesized and its application in organic light emitting devices (OLEDs) ...

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Short side chain perfluorosulfonic acid membranes and their composites with nanosized zirconium phosphate: hydration, mechanical properties and proton conductivity

24-10-2012 | Monica Pica; Anna Donnadio; Mario Casciola; Paula Cojocaru; Luca Merlo, Journal of Materials Chemistry, 2012

Aqueous dispersions of a short side chain perfluorosulfonic acid ionomer (equivalent weight 830 g eq.−1) and gels of nanosized zirconium phosphate (ZrP) in propanol are used for the preparation, by solution casting, of composite membranes with ZrP loading up to 13 wt%. These membranes, together ...

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High-efficiency polymer photovoltaic cells using a solution-processable insulating interfacial nanolayer: the role of the insulating nanolayer

24-10-2012 | Kyung-Geun Lim; Mi-Ri Choi; Ho-Beom Kim; Jong Hyeok Park; Tae-Woo Lee, Journal of Materials Chemistry, 2012

We employed a low-cost solution-processed ultrathin insulating polymeric layer of poly(4-hydroxystyrene) (PHS), with a high glass transition temperature (Tg [[similar]] 185 °C), as an interfacial layer between the polymer:fullerene photoactive layer and the Al negative electrode for enhancing ...

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High-performance polymer solar cells with a conjugated zwitterion by solution processing or thermal deposition as the electron-collection interlayer

17-10-2012 | Kuan Sun; Baomin Zhao; Vajjiravel Murugesan; Amit Kumar; Kaiyang Zeng; Jegadesan Subbiah; Wallace W. H. Wong; David ..., Journal of Materials Chemistry, 2012

We report highly efficient polymer solar cells (PSCs) with rhodamine 101, a conjugated zwitterion with positive and negative charges on the same molecule, as the electron-collection interlayer. Rhodamine 101 can be processed by solution processing techniques or thermal deposition. The rhodamine ...

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Reduced Graphene Oxide-MnO2 Hollow Sphere Hybrid Nanostructures as High-performance Electrochemical Capacitors

17-10-2012 | limin Wu, Journal of Materials Chemistry, 2012

This paper presents the first successful fabrication of reduced graphene oxide (RGO)-MnO2 hollow sphere (HS) hybrid electrode materials through a solution-based ultrasonic co-assembly method. The porous structure of these MnO2 hollow spheres and the excellent dispersion of active materials give ...

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