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1,433 Newest Publications about the topic solution
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Self-assembly in casting solutions of block copolymer membranes
22-05-2013 | Debora Salomon Marques; Ulla Vainio; Nicolas Moreno Chaparro; Victor Manuel Calo; Ali Reza Bezahd; Jed W. Pitera; Kl ..., Soft Matter, 2013
Membranes with exceptional pore regularity and high porosity were obtained from block copolymer solutions. We demonstrate by small-angle X-ray scattering that the order which gives rise to the pore morphology is already incipient in the casting solution. Hexagonal order was confirmed in ...
From function-guided assembly of a lotus leaf-like ZnO nanostructure to a formaldehyde gas-sensing application
20-05-2013 | Author(s): Gaocan Qi , Shuzhi Zhao , Zhihao Yuan, Sensors and Actuators B: Chemical, 2013
Publication date: 31 July 2013 Source:Sensors and Actuators B: Chemical, Volume 184 Author(s): Gaocan Qi , Shuzhi Zhao , Zhihao Yuan A facile solution-based route is developed for the preparation of aligned lotus leaf-like ZnO nanostructure via an immersion of oriented ZnO nanorods ...
Gas-sensing property of a nitrogen-doped zinc oxide fabricated by combustion synthesis
20-05-2013 | Author(s): Wei Wen , Jin-Ming Wu , Yu-De Wang, Sensors and Actuators B: Chemical, 2013
Publication date: 31 July 2013 Source:Sensors and Actuators B: Chemical, Volume 184 Author(s): Wei Wen , Jin-Ming Wu , Yu-De Wang Among the various factors affecting the gas-sensing performance of ZnO, crystal defects have attracted less attention. In this letter, the gas-sensing ...
IJMS, Vol. 14, Pages 10383-10396: Influence of Growth Conditions on Magnetite Nanoparticles Electro-Crystallized in the Presence of Organic Molecules
17-05-2013 | Mosivand, Saba ; Monzon, Lorena M. A.; Kazeminezhad, Iraj ; Coey, J. Michael D., International Journal of Molecular Sciences, 2013
Magnetite nanoparticles were synthesized by electrocrystallization in the presence of thiourea or sodium butanoate as an organic stabilizer. The synthesis was performed in a thermostatic electrochemical cell containing two iron electrodes with an aqueous solution of sodium sulfate as ...
Effect of Citric Acid and Starch as Emulsifier on Phase Formation and Crystallite Size of Lanthanum Oxide Nanoparticles
16-05-2013 | Hamidreza Bojari, Azim Malekzadeh, Mahnaz Ghiasi, Ahmad Gholizadeh, Ramin Azargohar, Ajay Kumar Dalai, Crystal Research and Technology, 2013
Lanthanum oxide nanoparticles were synthesized via thermal decomposition method of the lanthanum nitrate in the presence of citric acid or starch as emulsifier. The effects of emulsifier and calcination temperature were investigated on the phase transformation and particle size distribution ...
Materials, Vol. 6, Pages 1994-2006: Effect of Solvents, Their Mixture and Thermal Annealing on the Performance of Solution Processed Polymer Light-Emitting Diodes
15-05-2013 | Rezvani, Mohammad Hashem; Farajollahi, Farid ; Nikfarjam, Alireza ; Bakhtiarpour, Parisa ; Saydanzad, Erfan, Materials, 2013
In this study, we first investigated changes seen in electrical and optical properties of a polymer light-emitting diode due to using different kinds of solvents and their mixture. Two-layer light emitting diodes with organic small molecules doped in a PVK polymer host were fabricated using ...
Reversible Adsorption–Desorption Oscillations of Nanoparticles on a Patterned Hydrogel Surface Induced by a pH Oscillator in a Closed Chemical System
14-05-2013 | Jin Kyung Kim; Kwang Il Kim; C. Basavaraja; G. Rabai; Do Sung Huh, Journal of Physical Chemistry B, 2013
Oscillatory adsorption–desorption of Ag nanoparticles on a pH-responsive hydrogel surface was induced by a pH oscillator in a closed reaction system. The hydrogel surface was prepared as a honeycomb-patterned film using a honeycomb-patterned polystyrene film as a template to speed up the ...
Solvent Based Hydrogen Bonding: Impact on Poly(3-hexylthiophene) Nanoscale Morphology and Charge Transport Characteristics
13-05-2013 | Mincheol Chang; Dalsu Choi; Boyi Fu; Elsa Reichmanis, ACS Nano, 2013
We demonstrate that supramolecular assembly and subsequent enhancement of charge transport characteristics of conjugated polymers can be facilitated simply by adding small amounts of a more volatile poor solvent, which can hydrogen bond with the majority solvent. Addition of up to 2 vol % ...
Low‐Temperature Transformation of Titania Thin Films from Amorphous Nanowires to Crystallized Nanoflowers for Heterogeneous Photocatalysis
11-05-2013 | Jing Sun, Wei Wen, Jin‐Ming Wu, Journal of the American Ceramic Society, 2013
Titania thin films with ordered nanostructures are of general interest in fields of photocatalysis, gas sensors, energy storages, energy conversions, etc. In this study, we report a low‐temperature crystallization and the simultaneously occurred morphology change of titania thin films in a ...
Nanofibers with Very Fine Core–Shell Morphology from Anisotropic Micelle of Amphiphilic Crystalline-Coil Block Copolymer
10-05-2013 | Fei-Yu Zhai; Wei Huang; Gang Wu; Xin-Ke Jing; Mei-Jia Wang; Si-Chong Chen; Yu-Zhong Wang; In-Joo Chin; Ya Liu, ACS Nano, 2013
A novel and facile strategy, combining anisotropic micellization of amphiphilic crystalline-coil copolymer in water and reassembly during single spinneret electrospinning, was developed for preparing nanofibers with very fine core–shell structure. Polyvinyl alcohol (PVA) and polyethylene ...
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