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108 Newest Publications in journal of materials chemistry

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matching the following criteria

Charge separation dynamics in a narrow band gap polymer–PbS nanocrystal blend for efficient hybrid solar cells

15-11-2012 | Claudia Piliego; Marianna Manca; Renee Kroon; Maksym Yarema; Krisztina Szendrei; Mats R. Andersson; Wolfgang Heiss; ..., Journal of Materials Chemistry, 2012

We have demonstrated efficient hybrid solar cells based on lead sulfide (PbS) nanocrystals and a narrow band gap polymer, poly[{2,5-bis(2-hexyldecyl)-2,3,5,6-tetrahydro-3,6-dioxopyrrolo[3,4-c]pyrrole-1,4-diyl}-alt-{[2,2′-(1,4-phenylene)bis-thiophene]-5,5′-diyl}], (PDPPTPT). An opportune mixing of ...

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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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Facile Preparation of Metal Telluride Nanocrystals Using Di-n-octylphosphine Oxide (DOPO) as an Air-stable and Less Toxic Alternative to the Common Tri-alkylphosphines

17-10-2012 | Huaibin Shen; Xin-Dong Jiang; Sujuan Wang; Yantao Fu; Changhua Zhou; Lin Song Li, Journal of Materials Chemistry, 2012

In this paper, we have developed a “green” method for the synthesis of metal telluride nanocrystals. In this method, di-n-octylphosphine oxide (DOPO) has been used as a fake alkylphosphine and was able to disperse Te and form Te-DOPO precursor. This new Te precursor was found to be highly ...

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Concentration-controlled emission in LaF3:Yb3+/Tm3+ nanocrystals: switching from UV to NIR regions

17-10-2012 | Xue Bai; Dan Li; Qiong Liu; Biao Dong; Sai Xu; Hongwei Song, Journal of Materials Chemistry, 2012

The homogeneous LaF3:Yb3+/Tm3+ nanocrystals (NCs) with an average diameter of 5 nm and different doping concentrations (Yb3+: 2–20%, Tm3+: 0.2–1.5%) were synthesized by a simple solvothermal approach. Their emission spectra, luminescent dynamics, and power-dependence of up-conversion (UC) ...

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Hydrothermal synthesis of ultrasmall CuCrO2 nanocrystals alternative to NiO nanoparticles in efficient p-type dye-sensitized solar cells

09-10-2012 | Dehua Xiong; Zhen Xu; Xianwei Zeng; Wenjun Zhang; Wei Chen; Xiaobao Xu; Mingkui Wang; Yi-Bing Cheng, Journal of Materials Chemistry, 2012

In this study, we present a facile hydrothermal synthesis of ultrasmall delafossite CuCrO2 nanoplates, with the typical size of 15 nm × 5 nm, featuring a high surface area of 87.86 m²g-1, thermal stable up to 400°C. The screen-printed CuCrO2 films sintered at different temperatures and ...

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Anisotropic nanocrystal arrays organized on protein lattices formed by recombinant clathrin fragments

04-10-2012 | Nancy Hom; Kinjal R. Mehta; Tsengming Chou; Amy B. Foraker; Frances M. Brodsky; Kent Kirshenbaum; Jin Kim Montclare, Journal of Materials Chemistry, 2012

Recombinant clathrin protein fragments form assemblies that template gold nanocrystals in an array across the latticed surface. The nanocrystals exhibit unusual anisotropic morphologies with long range ordering, both of which are dependent upon the presence of a hexahistidine tag on the clathrin ...

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Ferroelectric ceramics with enhanced remnant polarization by ordered coalescence of nano-crystals

26-09-2012 | James Zhijian Shen; Haixue Yan; Daniel Grüner; Lyubov M Belova; Yasuhiro Sakamoto; Jianfeng Hu; Cewen Nan; Thomas Hö ..., Journal of Materials Chemistry, 2012

An exceptional high ferroelectric remnant polarization (Pr) was observed in BaTiO3 ceramics owing to the formation of micron-sized grains possessing nano-scale mosaicity. Such a structural hierarchy was developed via a novel crystal-growth mechanism, namely ordered coalescence of nano-crystals ...

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Visible light-sensitive mesoporous N-doped Ta2O5 spheres: Synthesis and photocatalytic activity for hydrogen evolution and CO2 reduction

26-09-2012 | Tomiko M Suzuki; Tadashi Nakamura; Shu Saeki; Yoriko Matsuoka; Hiromitsu Tanaka; Kazuhisa Yano; Kajino Tsutomu; Take ..., Journal of Materials Chemistry, 2012

Crystallized mesoporous tantalum pentoxide spheres (CMTS) with particle diameters of ca. 100-500 nm and composed of Ta2O5 nanocrystals were synthesized for the first time by a combination of the sol-gel process and heat-treatment with the aid of carbon reinforcement. The specific surface area of ...

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Studies on the properties and formation mechanism of flexible nanocomposite hydrogels from cellulose nanocrystals and poly(acrylic acid)

25-09-2012 | Jun Yang; Chun-Rui Han; Jiu-Fang Duan; Ming-Guo Ma; Xue-Ming Zhang; Feng Xu; Run-Cang Sun; Xu-Ming Xie, Journal of Materials Chemistry, 2012

A novel series of nanocomposite hydrogels based on cellulose nanocrystals (CNCs) and poly(acrylic acid) (PAA) have been synthesized by in situ free radical polymerization within an aqueous medium. Rheological measurements were applied to monitor the gelation process and results indicated that the ...

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Nanocrystal/C60-Liquid Composite Material with Enhanced Photo-electrochemical Performance

20-09-2012 | Theodore J Kramer; Sukumaran Santhosh Babu; Akinori Saeki; Shu Seki; Junko Aimi; Takashi Nakanishi, Journal of Materials Chemistry, 2012

The unique optoelectronic properties of a nanocomposite material comprised of cadmium selenide (CdSe) nanocrystals (NCs) embedded in a photoconductive liquid C60 have been investigated. CdSe NCs are shown to sensitize the composite material to visible light, resulting in charge transfer from ...

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