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Cobalt modified mesoporous graphitic carbon nitride with enhanced visible-light photocatalytic activity

Pengxiang Qiu、Huan Chen、Fang Jiang2014-01-01RSC Advances

Mesoporous graphitic carbon nitride (mpg-C 3 N 4 ) was synthesized using silica nanoparticles as the hard template, and cobalt modified mpg-C 3 N 4 (Co 3 O 4 /mpg-C 3 N 4 ) was prepared via a facile impregnation method.

Advanced Photocatalysis TechniquesCopper-based nanomaterials and applicationsElectronic and Structural Properties of Oxides

Hydrogen bond synthon competition in the stabilization of theophylline cocrystals

Bipul Sarma、Basanta Saikia2014-01-01CrystEngComm

In the preparation of theophylline cocrystals, phenol coformers facilitate water assimilation due to their weaker O–H⋯N(imidazole) synthon. The presence of –COOH prevents water incorporation and provides added physical stability at high humidity. This study shows the feasibility of cocrystal design of an API to tune p…

Crystallography and molecular interactionsCalcium Carbonate Crystallization and InhibitionSolid-state spectroscopy and crystallography

Sequentially solution-processed, nanostructured polymer photovoltaics using selective solvents

Do Hwan Kim、Jianguo Mei、Alexander L. Ayzner 等 8 位作者2014-01-01Energy & Environmental Science

We demonstrate high-performance sequentially solution-processed organic photovoltaics (OPVs) with a power conversion efficiency (PCE) of 5% for blend films using a donor polymer based on the isoindigo-bithiophene repeat unit (PII2T-C10C8) and a fullerene derivative [6,6]-phenyl-C[71]-butyric acid methyl ester (PC71BM)…

Organic Electronics and PhotovoltaicsThin-Film Transistor TechnologiesConducting polymers and applications

Rapid facile synthesis of Cu 2 ZnSnS 4 nanocrystals

Boris D. Chernomordik、Amélie E. Béland、Nancy D. Trejo 等 7 位作者2014-01-01Journal of Materials Chemistry A

A method for rapid synthesis of 2–40 nm diameter nanocrystal dispersions of the emerging sustainable thin-film solar absorber copper zinc tin sulfide is reported: the average crystals size is controlled by varying the synthesis temperature between 150 °C and 340 °C. Films cast from larger nanocrystals, are crack-free…

Quantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications

Synthesis of carbon black/carbon nitride intercalation compound composite for efficient hydrogen production

Zhaochun Wu、Honglin Gao、Shicheng Yan 等 4 位作者2014-01-01Dalton Transactions

The photoactivity of g-C3N4 is greatly limited by its high recombination rate of photogenerated carriers. Coupling g-C3N4 with other materials has been demonstrated to be an effective way to facilitate the separation and transport of charge carriers. Herein we report a composite of conductive carbon black and carbon n…

Advanced Photocatalysis TechniquesZnO doping and propertiesCopper-based nanomaterials and applications

A highly efficient visible-light driven photocatalyst: two dimensional square-like bismuth oxyiodine nanosheets

Yan Mi、Min Zhou、Liaoyong Wen 等 5 位作者2014-01-01Dalton Transactions

Two dimensional (2D) square-like bismuth oxyiodine (BiOI) nanosheets with a thickness of about 10 nm and exposed {001} facets are obtained by a facile hydrothermal route without any surfactant and special solvent. The photocatalytic performance of as-prepared 2D square-like BiOI nanosheets is evaluated by the photodeg…

Advanced Photocatalysis TechniquesGas Sensing Nanomaterials and SensorsGa2O3 and related materials

The colloidal nanocrystal deposition process: an advanced method to prepare high performance hematite photoanodes for water splitting

Ricardo H. Gonçalves、E. R. Leite2014-01-01Energy & Environmental Science

The association of colloidal deposition of magnetorheological fluid in the presence of an external magnetic field with a sintering process facilitates the attainment of hematite photoanodes with high performance for water splitting.

Clay minerals and soil interactionsIron oxide chemistry and applicationsMine drainage and remediation techniques

New cocrystals of ezetimibe with l -proline and imidazole

Manishkumar R. Shimpi、S.L. Childs、Dan Boström 等 4 位作者2014-01-01CrystEngComm

Two new cocrystals of ezetimibe were identified and scale-up. Ezetimibe–proline cocrystal showed improved apparent solubility and physical stability.

Crystallography and molecular interactionsCrystallization and Solubility StudiesChemical Thermodynamics and Molecular Structure

Highly ordered macro-mesoporous carbon nitride film for selective detection of acidic/basic molecules

Lichao Jia、Hongqiang Wang、Dattatray S. Dhawale 等 8 位作者2014-01-01Chemical Communications

Well-ordered meso-macroporous carbon nitride film fabricated via a simple and flexible template replication method by using the P123 block copolymer and polystyrene spheres as dual templates shows selective sensing performance for acetic acid but after treating the surface of the film with UV light and oxygen, the sel…

Advanced Photocatalysis TechniquesZnO doping and propertiesGas Sensing Nanomaterials and Sensors

Rational construction of metal–organic frameworks for heterogeneous catalysis

Ou Sha、Chuan‐De Wu2014-01-01Inorganic Chemistry Frontiers

The recently developed strategies on designed synthesis of porous metal–organic framework catalysts and their interesting catalytic properties are summarized in this short review.

Metal-Organic Frameworks: Synthesis and ApplicationsDendrimers and Hyperbranched PolymersCovalent Organic Framework Applications

Evaporation of water droplets on soft patterned surfaces

Yu-Chen Chuang、Che-Kang Chu、Shih-Yao Lin 等 4 位作者2014-01-01Soft Matter

The evaporation process of a sessile drop of water on soft patterned polydimethylsiloxane (PDMS) substrates is investigated in this study. Different softness of a regular pillar-like patterned PDMS substrate can be achieved by controlling the mixing ratio of a PDMS's prepolymer base and a curing agent at 10 : 1, 20 :…

Surface Modification and SuperhydrophobicityNanomaterials and Printing TechnologiesFluid Dynamics and Thin Films

Modification of carbon fiber by air plasma and its adhesion with BMI resin

Zhe Liu、Chao Tang、Ping Chen 等 5 位作者2014-01-01RSC Advances

Carbon fiber (CF) was modified by air plasma at 30 Pa and 200 W with different treatment times. Interlaminar shear strength (ILSS) of CF/BMI composites suggested that air plasma-treated CFs showed better adhesion with BMI resins than the untreated resins; the maximum increment was 20.4% after plasma treatment for 900…

Graphene research and applicationsSurface Modification and SuperhydrophobicityFiber-reinforced polymer composites

High capacity silicon nitride-based composite anodes for lithium ion batteries

Rhet C. de Guzman、J. Yang、Mark Ming‐Cheng Cheng 等 5 位作者2014-01-01Journal of Materials Chemistry A

A CVD-synthesized SiN x LIB anode material exhibits stable, high capacity performance via two stage electrochemical reactions (conversion and then alloying).

Advancements in Battery MaterialsGraphene research and applicationsSemiconductor materials and devices

π-Conjugation-directed highly selective adsorption of benzene over cyclohexane

Caixia Ren、Li‐Xuan Cai、Cheng Chen 等 6 位作者2014-01-01Journal of Materials Chemistry A

Crystalline materials with large tailor-made channels have been made by an isoreticular synthesis strategy, which includes a successful adjustment of the π-conjugation over a framework skeleton allowing target recognition for aromatic molecules. The selective absorption of benzene over cyclohexane has been achieved, w…

Metal-Organic Frameworks: Synthesis and ApplicationsZeolite Catalysis and SynthesisCovalent Organic Framework Applications

An introduction to synthesis and application of nanoscale metal–carboxylate coordination polymers

Lina Jin、Qing Liu、Wei‐Yin Sun2014-01-01CrystEngComm

In recent years, nanoscale metal–organic coordination polymers have attracted more and more attention because of their specific properties in gas sorption, sensors, contrast agents, drug delivery, templates and so on. Carboxylate compounds are a large family of O-donor ligands and are studied widely because such ligan…

Metal-Organic Frameworks: Synthesis and ApplicationsDendrimers and Hyperbranched PolymersX-ray Diffraction in Crystallography

Pillar[5]arene-based nonionic polyrotaxanes and a topological gel prepared from cyclic host liquids

Tomoki Ogoshi、Takamichi Aoki、Seita Ueda 等 5 位作者2014-01-01Chemical Communications

We synthesize nonionic polymer-based polyrotaxanes in solvent systems based on pillar[5]arene cyclic host liquids. Using a reactive liquid, pillar[5]arene enabled synthesis of a nonionic topological gel.

Supramolecular Chemistry and ComplexesPorphyrin and Phthalocyanine ChemistrySupramolecular Self-Assembly in Materials

An easily prepared palladium-hydrogel nanocomposite catalyst for C–C coupling reactions

Mitasree Maity、Uday Maitra2014-01-01Journal of Materials Chemistry A

Palladium nanoparticles were efficiently prepared in situ by sodium cyanoborohydride reduction of Pd( ii ) at room temperature using calcium-cholate hydrogel fibers as templates. The PdNPs self-organize on the gel fibers, which supports the controlled growth as well as stabilization of PdNPs. The hybrid xerogel was us…

Catalytic Cross-Coupling ReactionsPolyoxometalates: Synthesis and ApplicationsSupramolecular Self-Assembly in Materials