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5,419 Newest Publications in journal of materials chemistry

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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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Tunable luminescence and energy transfer properties in KCaGd(PO4)2:Ln3+/Mn2+ (Ln = Tb, Dy, Eu, Tm; Ce, Tb/Dy) phosphors with high quantum efficiencies

06-11-2012 | Dongling Geng; Mengmeng Shang; Dongmei Yang; Yang Zhang; Ziyong Cheng; Jun Lin, Journal of Materials Chemistry, 2012

Photoluminescence (PL) and cathodoluminescence (CL) properties of Ln3+ (Ln = Tb, Dy, Eu, Tm, Ce) and Mn2+-activated KCaGd(PO4)2 (KCG) phosphors were investigated. Under UV excitation, KCG:Tb3+, KCG:Dy3+, KCG:Eu3+, KCG:Tm3+, and KCG:Mn2+ samples exhibit the characteristic emission of the ...

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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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Aggregation induced emission switching and electrical properties of chain length dependent [small pi]-gels derived from phenylenedivinylene bis-pyridinium salts in alcohol-water mixtures

31-10-2012 | Suman K. Samanta; Santanu Bhattacharya, Journal of Materials Chemistry, 2012

Supramolecular π-gels were formed in a mixture of aliphatic alcohols and water for a series of chromophoric phenylenedivinylene bis-N-alkyl pyridinium salts (PPV) appended with terminal aliphatic hydrocarbon chains of different lengths. Gelation could be controlled either by altering the ratio of ...

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Strongly adhesive and flexible transparent silver nanowire conductive films fabricated with a high-intensity pulsed light technique

31-10-2012 | Jinting Jiu; Masaya Nogi; Tohru Sugahara; Takehiro Tokuno; Teppei Araki; Natsuki Komoda; Katsuaki Suganuma; Hiroshi ..., Journal of Materials Chemistry, 2012

Large-scale silver nanowire (AgNW) mesh films have received increasing attention as new transparent conductive films used in various printed devices. However, there are two crucial issues in implementing AgNWs that need to be addressed: (1) strong adhesion between AgNW film and substrate and (2) ...

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Benzoxazole and benzimidazole heterocycle-grafted graphene for high-performance supercapacitor electrodes

31-10-2012 | Wei Ai; Weiwei Zhou; Zhuzhu Du; Yaping Du; Hua Zhang; Xingtao Jia; Linghai Xie; Mingdong Yi; Ting Yu; Wei Huang, Journal of Materials Chemistry, 2012

An efficient method for the preparation of benzoxazole and benzimidazole covalently grafted graphene and their application as high performance electrode materials for supercapacitors is reported. The synthesis of such covalently functionalized graphene materials first involves a cyclization ...

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Ultra low dielectric constant hybrid films via side chain grafting reaction of poly(ether ether ketone) and phosphotungstic acid

31-10-2012 | Zhi Geng; Jinyu Ba; Shuling Zhang; Jiashuang Luan; Xu Jiang; Pengfei Huo; Guibin Wang, Journal of Materials Chemistry, 2012

The novel ultra low dielectric constant poly(ether ether ketone) hybrid films in which nanoscale phosphotungstic acid (PWA) clusters were grafted onto the side chains of poly(ether ether ketone) containing (3-trifluoromethyl) phenyl groups and carboxyl groups (PEEK–CF3–COOH) in the presence the ...

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Gd(III)-doped carbon dots as a dual fluorescent-MRI probe

31-10-2012 | Athanasios B. Bourlinos; Aristides Bakandritsos; Antonios Kouloumpis; Dimitrios Gournis; Marta Krysmann; Emmanuel P. ..., Journal of Materials Chemistry, 2012

We describe the synthesis of Gd(iii)-doped carbon dots as dual fluorescence-MRI probes for biomedical applications. The derived Gd(iii)-doped carbon dots show uniform particle size (3–4 nm) and gadolinium distribution and form stable dispersions in water. More importantly, they exhibit bright ...

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Platinum–Cobalt alloy networks for methanol oxidation electrocatalysis

31-10-2012 | Jiangfeng Xu; Xinyu Liu; Yu Chen; Yiming Zhou; Tianhong Lu; Yawen Tang, Journal of Materials Chemistry, 2012

Three-dimensional (3D) platinum–cobalt alloy networks nanostructures with a high alloying degree were synthesized through a room temperature wet-chemical synthetic method using the K2PtCl4/K3Co(CN)6 cyanogel as reaction precursor in the absence of surfactants and templates. The size, morphology ...

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Temperature-triggered redox-degradable poly(ether urethane) nanoparticles for controlled drug delivery

31-10-2012 | Yangyun Wang; Guolin Wu; Xiaomeng Li; Jiatong Chen; Yinong Wang; Jianbiao Ma, Journal of Materials Chemistry, 2012

A series of biodegradable poly(ether urethane)s that responded to changes in temperature and redox potential was synthesized via a facile one-pot method. The amphiphilic poly(ether urethane)s were comprised of 2,2′-dithiodiethanol, hydrophobic hexamethylene diisocyanate and hydrophilic ...

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