Materials Literature
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We report a novel method to synthesize functional Janus nanoparticles using a polymer single crystal templating method. These functionalized Janus nanoparticles can be used to fabricate homo- and hetero-nanoparticle dimers and chains, which are useful for applications including surface enhanced Raman spectroscopy, cel…
Yb3+ doped LaSi3N5 phosphors have been prepared by solid-state synthesis in a high temperature furnace directly coupled to a glove box. The charge transfer (CT) band of Yb3+ in LaSi3N5 was observed at an unusually low energy of 3.1 eV. Excitation of this CT band results in f–f emission of Yb3+ at 1.2 eV, which could m…
We present the utilization of gaseous carbon dioxide (CO2) with increased mineralization rate in the presence of dopamine, a biomimetic molecule of adhesive foot protein secreted from mussels, to synthesize hollow calcium carbonate (CaCO3) microspheres and their composites with biodegradable polymer fibers. This CO2-c…
Four new supramolecular compounds, namely, [HMnII(bix)4][PMoVI8VV4O40(VIVO)2]·2H2O (1), [Zn(bix)4][PMoVI9VV3O40(VIVO)2]·2H2O (2), [Cu(bix)4][PMoVI9VV3O40(VIVO)2]·4H2O (3) and [CuI(bix)]2[CuI(bix)](bix)[PMo12O40]·4H2O (4) (bix = 1,4-Bis(imidazol-1-ylmethyl)benzene), have been synthesized under hydrothermal conditions,…
Ordered NaLa(MoO4)2 shuttle-like nanorods composed of nanoparticles have been prepared under hydrothermal environment using Na2MoO4 as a precipitator and ethylene glycol as ligand to decrease the reaction rate and control the morphology of the product. The experimental results indicate that the proportions of the ethy…
A supramolecular cation of (m-FAni(+))(DB[18]crown-6), where m-FAni(+) and DB[18]crown-6 denote m-fluoroanilinium(+) and dibenzo[18]crown-6, respectively, which is the polar unit rotating in the ferroelectric crystal of (m-FAni(+))(DB[18]crown-6)[Ni(dmit)(2)](-), was introduced into a ferromagnetic [MnCr(oxalate)(3)](…
New π-extended discotic liquid crystals based on heptacyclic triindole have been synthesized and their mesomorphic behaviour investigated. The synthesis of π-extended compounds was carried out by oxidative cyclodehydrogenation of differently substituted star-shaped hexaaryltriindoles to afford the planar derivatives w…
The influence of 2-[3-(2-oxo-2-phenylethylidene)-1,4-dihydroquinoxaline-2(1H)ylidene]-1-phenylethanone (Qx1) and amino-2-aniline (Diam1) on the corrosion of steel in 1 M HCl solution has been investigated by weight loss measurements, potentiodynamic polarisation and impedance spectroscopy (EIS) methods. The inhibiting…
Silicon microchannel plates with a large surface area coated with a nickel layer are excellent templates for miniature supercapacitors. Three-dimensional Si-MCP/Ni/Ni(OH)2 and Si-MCP/Ni/Co(OH)2 sandwiched structures are produced with the Ni(OH)2 and Co(OH)2 thin films serving as the active materials in the supercapaci…
The synthesis and application of thermally-responsive macromolecules and nanoparticles relies on the underpinning control of their transition temperatures. The present study shows that two structurally diverse classes of nanoparticle have very strong diameter-dependent responses to temperature-stimuli, demonstrating t…
Finite Silicon Atom Diffusion Induced Size Limitation on Self-Assembled Silicon Quantum Dots in Silicon-Rich Silicon Carbide, Lin, Gong-Ru, Lo, Tzu-Chieh, Tsai, Ling-Hsuan, Pai, Yi-Hao, Cheng, Chih-Hsien, Wu, Chih-I., Wang, Po-Sheng
TEM images of human lysozyme loaded on SBA-15 mesoporous silica were obtained through the immunogold staining (IGS) method. IGS is based on the specific interaction between proteins and colloidal gold-conjugated antibodies. Clear evidence that protein molecules are adsorbed both on the external and on the inner pore s…
Electrochemistry-controlled metal ion release is achieved using nanoparticle mixtures embedded into a silicone matrix. Synergistic metal ion release from silicone matrix filled with silver and copper nanoparticles as well as silver and gold nanoparticles embedded into silicone is investigated in terms of qualitative a…
To achieve a targeted drug delivery system for chemotherapy, we synthesized a ligand-mediated nanoparticulate drug carrier composed of folate-conjugated heparin-based copolymers. The use of a heparin-based drug delivery system is of special interest due to the attractive anticancer properties of heparin. Heparin–poly(…
Phase-pure porous nanospheres, both In(OH)3 and InOOH, have been prepared through a facile hydrothermal method using different organic acids as the assistant agents. The organic acids play an important role in the phase change, and the phase composition of the precursors could be deliberately controlled by adjusting t…
We study the formation of topological defects in nematic liquid crystals confined in open bicontinuous networks produced in glass by femtosecond laser micromachining. We obtain a careful classification of the number and localisation of the defects as a function of the topological properties of the network. Our finding…
Preparation of supramolecular polymer gels based on simple molecular design was demonstrated by blending carboxyl-terminated telechelic polymers and poly(ethyleneimine), where balance of an attractive force due to hydrogen bonding and a repulsive force induced by phase separation between polymers has been found as a k…
Superparamagnetic iron oxide nanoparticles (SPIONs) designed to interact with tumor cells have received increasing interest in the past few years, due to their potential for applications such as magnetic resonance imaging (MRI) contrast enhancement, drug delivery, and hyperthermia. However, the stability of these nano…
The assembly of a tetradeca-manganese magnetic cluster [Mn(14)W(48)O(192)H(20)](26-), containing two high spin Mn(7) cores and supported exclusively by isopolytungstate ligands, demonstrates the promising perspective of using "defect" isopolyanions as ligands/synthons to construct large aggregated structures and model…
The existence of Mg(B12H12) as an intermediate compound during the dehydrogenation process of Mg(BH4)2 has been verified. To elucidate the formation process of Mg(B12H12), the dehydrogenation products of Mg(BH4)2 at different temperatures were characterized via X-ray diffraction and 11B magic angle spinning NMR measur…