19.06.2013 | Magdalena Gruziel; Wojciech Dzwolak; Piotr Szymczak, Soft Matter, 2013

The formation of aggregates of helical fibrils is analyzed numerically. The aggregate morphology, chirality and stability are studied as a function of temperature and helical pitch of individual fibrils. The simulations show the existence of a critical pitch above which the handedness of the ...

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19.06.2013 | Zhuo Wang; Jing Feng; Min Pang; Shunhao Pan; Hongjie Zhang, Dalton Transactions, 2013

In this paper, uniform rice-shaped lanthanide doped BiPO4 upconversion submicron particles have been successfully synthesized via a facile room-temperature co-precipitation reaction and subsequent calcination route. The morphology, phase transformation and upconversion luminescent property of ...

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17.06.2013 | Author(s): P. González-García , E. Urones-Garrote , D. Ávila-Brande , L.C. Otero-Díaz, Journal of Organometallic Chemistry, 2013

Publication date: 15 September 2013 Source:Journal of Organometallic Chemistry, Volume 740 Author(s): P. González-García , E. Urones-Garrote , D. Ávila-Brande , L.C. Otero-Díaz Carbon particles with variable shape made of graphene-like layers have been obtained via chlorination of ...

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17.06.2013 | Author(s): M. Kumar , R. Tamilarasan, Arabian Journal of Chemistry, 2013

Publication date: Available online 9 June 2013 Source:Arabian Journal of Chemistry Author(s): M. Kumar , R. Tamilarasan In this study, the activated carbon was prepared from Prosopis Juliflora bark as a novel adsorbent. Removal of chromium (Cr) was assessed by varying the parameters ...

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14.06.2013 | Jincheng Yao, Junhua Wang, Qing Zhao, Aimin Chang, International Journal of Applied Ceramic Technology, 2013

The introduction of La2O3 to Mn0.75Ni1.25CuO4 ceramics was studied on the microstructure and electrical properties. The sintered Mn0.75Ni1.25CuO4‐xLa2O3 (0≤x≤0.3) bodies was typical polycrystalline, with cubic spinel structure of copper manganese oxide, rocksalt structure of nickel ...

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14.06.2013 | Yi‐Da Ho, Cheng‐Liang Huang, Journal of the American Ceramic Society, 2013

In this study, ilmenite‐MgTiO3 films were sputtered on p‐type Si(111) substrates and the extrinsic effects, such as grain size, crystallinity, and orientation of photoluminescence (PL) properties of the films are discussed. To reduce the effect of oxygen vacancies (act as shallow defects) ...

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14.06.2013 | Wiebke Ludwig, Wiebke Ohm, John‐Michael Correa‐Hoyos, Yanmin Zhao, Martha Ch. Lux‐Steiner, Sophie Gledhill, physica status solidi (a), 2013

Abstract To identify optimal deposition conditions and morphologies for ZnO nanorod arrays (NRA) for photovoltaic applications, ZnO NRA were electrochemically grown onto transparent conducting oxide (TCO) substrates pre‐covered with an intrinsic zinc oxide (i‐ZnO) seed layer (SL) at ...

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12.06.2013 | Ge Chen; Yong Yan; Bo Hao; Xiaobo Wang, Dalton Transactions, 2013

Poly(allylamine hydrochloride) (PAH), a mimic of biopolyamines, was used to induce the mineralization of titania at room-temperature, hollow spheres with mixed phase (anatase and rutile) was obtained, and the fine anatase and rutile nanocrystals were observed mixing at sub-10nm scale on the ...

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11.06.2013 | Anthony Thévenon, René Fulchiron, Macromolecular Materials and Engineering, 2013

The evolution of the crystalline morphology of two poly(propylene) films deformed in the rubbery state using wide‐ and small‐angle X‐ray scattering and extensional rheology experiments is presented. The mechanical behavior can be either isotropic or anisotropic depending on the ...

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06.06.2013 | S. Varona, Á. Martín, M. J. Cocero, C. M. M. Duarte, Chemical Engineering & Technology, 2013

Abstract Lavandin essential oil has been encapsulated in poly‐(ϵ‐caprolactone) (MW: 4000 g mol–1) by means of the particles from gas saturated solutions (PGSS) process. The influence of process conditions, i.e., pre‐expansion temperature and pressure, and oil/polymer mass ratio, on the ...

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