Materials Literature
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Bacterial cellulose (BC) membranes are used as the carrier for berberine hydrochloride and berberine sulphate to produce a new controlled release system. Release studies and transdermal experiments were carried out in vitro. Carrier BC can significantly extend the drug release time, in contrast to existing commercial…
Iron(III) amino triphenolate complexes were studied as catalysts for the reaction of carbon dioxide (CO2) with cyclohexene oxide, which can lead to the formation of cyclic carbonate and/or polycarbonate products. Both types of compound are relevant, but for their practical application it is crucial to be able to contr…
A versatile screen-printing method is applied for the preparation of efficient water oxidation catalysts based on a nanostructured β-MnO2 material prepared by a redox-precipitation method, and commercial β-MnO2. The catalyst films were tested for activity in water oxidation over a range of neutral to alkaline pH. The…
Great attention has always been paid to monomers bearing at least two reactive groups, one for copolymerization and one for further reaction, in particular, for cross-linking. Such reactive groups should be reactive enough for crosslinking but should not prevent any copolymerization of monomers. Cyclic carbonate group…
Enhancement of the discharge capacity, high-rate capability, and cycle stability of the Li-rich layered Li(Li0.17Ni0.25Mn0.58)O2 oxide with a large specific capacity is highly significant for high energy lithium-ion batteries. In this work, the Li-rich layered Li(Li0.17Ni0.25Mn0.58)O2 oxide is prepared by a spray-dryi…
Biopolymer electrolyte based on carboxymethyl cellulose has been prepared by doping with different concentration of oleic acid via solution casting technique. Fourier Transform Infrared spectroscopy was used to study the complexation between the salt and polymer. New peak was observed at 1710, 2850, 2920 cm-1. X-ray d…
A tetra-arylporphyrin dye was functionalized with three different anchoring groups used to attach molecules to metal oxide surfaces. The physical, photophysical and electrochemical properties of the derivatized porphyrins were studied, and the dyes were then linked to mesoporous TiO2. The anchoring groups were β-vinyl…
A new microporous metal-organic framework, Cu2(PDDI) (ZJU-5; H4PDDI = 5,5'-(pyridine-2,5-diyl)diisophthalic acid), was solvothermally synthesized and structurally characterized. With open metal sites, Lewis basic pyridyl sites and suitable pore space, the acetylene uptake in ZJU-5a reaches the highest value of 290 cm(…
Gold nanoparticles stabilized by an amphiphilic pillar[5]arene (AP5) are prepared. They can be decorated on the surfaces of microtubes prepared from self-assembly of AP5 to form template composite microtubes (TCMTs). They can also be used in the fabrication of self-assembled composite microtubes (SCMTs) in water witho…
Cu2S and CuS have been under intense scrutiny, with the aim of understanding the relationship between their electronic structures and their commercially important physical properties. Here, X-ray absorption and emission spectroscopic data have been analyzed using a quantitative, molecular orbital (MO) based approach t…
A simple method that uses graphene to fabricate nanotopographic substrata was reported for stem cell engineering. Graphene-incorporated chitosan substrata promoted adhesion and differentiation of human mesenchymal stem cells (hMSCs). In addition, we proposed that nanotopographic cues of the substrata could enhance cel…
Photodynamic therapy (PDT) requires a photosensitizing agent, which can undergo visible light activation, yielding reactive oxygen species and/or radical species. The key physical properties and desirable attributes of established PDT photosensitizer agents are discussed, together with a consideration of the role that…
A novel and facile soft-chemical method has been proposed for the synthesis of Ag3PO4 crystals with various new morphologies (branch, tetrapod, nanorod, triangular prism), and the morphological effect on the photocatalytic activity of the obtained Ag3PO4 crystals has been investigated. It is demonstrated that the morp…
Three novel polyimides (PIM-PIs) with characteristics similar to a polymer of intrinsic microporosity (PIM) were prepared by the reactions of a novel spirobisindane-based dianhydride with appropriate aromatic diamines. A polymerisation procedure via in situ ester precursor formation provided PIM-PIs with very high mol…
Highly ordered rutile TiO2 nanorod arrays (NRAs) are promising architectures in dye-sensitized solar cells (DSCs). However, the efficiency of DSCs based on such photoanodes is still relatively low, largely due to the limited internal surface area. Herein, we report that highly oriented rutile TiO2 NRAs with film thick…
Thermoresponsive polymer colloids made of amphiphilic block copolymers are reviewed in this paper. The main families of thermoresponsive polymers, including hydrophilic polymers with LCST (PEG, PNIPAM, poly(oxazoline)s and elastin-like polypeptides, etc.) and hydrophobic polymers with thermotropic phase transitions (l…
This study used natural dyes as sensitizers of dye-sensitized solar cells (DSSCs) to replace expensive chemical synthetic dyes. We prepared two natural dyes, chlorophyll dye and anthocyanin dye, by extracting them from wormwood and purple cabbage, respectively. Moreover, we mixed the prepared chlorophyll dye and antho…
Porous NiO-ZnO hybrid nanofibers were prepared by a single-nozzle electrospinning technique combined with subsequent heating treatment. The resultant nanofibers are composed of interconnected primary nanocrystals and numerous nanopores with heterostructures between NiO and ZnO. Such characteristics of the structure ca…
Recent developments in solution processable single junction polymer solar cells have led to a significant improvement in power conversion efficiencies from ∼5% to beyond 9%. While much of the initial efficiency improvements were driven through judicious design of donor polymers, it is the engineering of device archite…
Alkanolamine based post-combustion capture processes (PCC) are currently the most attractive tech- nologies for CO 2 capture. Solvents are degraded in this service by flue gas components, for example oxygen. Solvent degradation can be classified into two reaction types: 1) amine oxidative degradation through a) autoxi…