In this article, preparation of polypyrrole and its nanocomposites as adsorbents werediscussed and the capability of separation of copper ions from aqueous solution were studied.Polypyrrole was prepared by chemical oxidative polymerization method of pyrrole usingFeCl3 as an oxidant. The removal of Cu (II) was investigated using PPy, PPy/TiO2 andPPy/TiO2/DHSNa nanocomposites. The products were i...

nanofluids are colloidal suspension of nanoparticles in a base fluid and have superior thermal properties in comparison to their base fluids. novel properties of nanofluids are yet to be explored to the highest potential. currently extensive investigation has been done on thermal conductivity of metallic and oxide nanofluids. composites offer the advantage of tailor made properties and fluids w...

Numerous photocatalysts have been prepared for the photocatalysis of either organic pollutant degradation or Cr(VI) reduction. However, most inorganic and pollutants usually co-exist in industrial sewage. Simultaneous elimination mixed remains highly challenging. Herein, we report bi-functional Cu-TiO2/CuO by in-situ doping heterostructure engineering strategies large-scale enhanced synergistic...

Nanostructured materials with desired wettability and optical property can play an important role in reducing the energy consumption of oily water treatment technologies. For effective oily water treatment, membrane materials with high strength, sunlight-sensitive anti-fouling, relative low fabrication cost, and controllable wettability are being explored. In the proposed oily water treatment a...

Copper ions in aqueous solution are known to promote organic oxidation semiconductor photocatalysis, but the counter anions seem be important as well. In this work, performance of Cu(ClO4)2 presence several sodium forms (F−, Cl−, ClO4−, NO3−, and SO42−) has been examined. Phenol (pH 4) under UV light was used model reaction TiO2 anatase (AT) rutile (RT) photocatalysts. On addition 0.1–5 mM Cu2+...

Heavy ions in materials science can be used for many applications concerning changes in composition, structure and physical properties. The modification of interfaces in bi-layer samples is frequently performed by ion beam mixing experiments [1-4]. However, the mixing behaviour of the components is much more complicated than in the earlier studied metal/metal systems, because of the more comple...

In complex transition metal oxide heterostructures of physically dissimilar perovskite compounds, interface phenomena can lead to novel physical properties not observed in either of their constituents. This remarkable feature opens new prospects for technological applications in oxide electronic devices based on nmthin oxide films. Here we report on a significant electronic charge and orbital r...

Conductive polypyrrole–polyaniline/TiO2 nanocomposites (PPy–PANI/TiO2) were prepared by in situ oxidative copolymerization of pyrrole and aniline monomers in the presence of TiO2. For comparison studies, polypyrrole/TiO2 (PPy/TiO2) and polyaniline/TiO2 (PANI/TiO2) were also prepared. The samples were characterized by X-ray diffraction, transmission electron microscopy, UV-vis diffuse reflectanc...

Abstract The slow kinetics in the photocatalytic reduction of CO2, as well low quantum efficiencies achieved, directly related to photocatalyst and reactor configuration applied, limit widespread use this technology. In light this, main objective work is evaluate continuous conversion CO2 into methanol an optofluidic microreactor (with enhanced mass transport, large volume/active area ratio uni...