نتایج جستجو برای: Dye characterization
تعداد نتایج: 412773 فیلتر نتایج به سال:
در این مطالعه نانوالیاف pva/dye در غلظت های مختلف با موفقیت آماده و به عنوان لایه حساس کننده در سلول های خورشیدی استفاده شد. نانوالیاف به دست آمده با روش تحلیلی مانندftir ، طیف سنجی uv-visو sem مورد بررسی قرار گرفت. تجزیه و تحلیل ساختاری وجود رنگزا در نانوالیاف pva/dye الکتروریسی شده را تایید کرد. باتوجه به نتایج جذب uv-vis راندمان تبدیل بالاتر برای نانولایه ی pva/dye که در غلظت 15? از محلول پل...
The nature of an interfacial structure buried within a device assembly is often critical to its function. For example, the dye/TiO2 that comprises working electrode dye-sensitized solar cell (DSC) governs photovoltaic output. These structures have been determined outside DSC device, using ex situ characterization methods; yet, they really should be probed while held since are modulated by envir...
A scanner characterization method based on an analytic spectral model was derived. Themethod firstmodeled the spectral formation of eachmedium using either Beer-Bouguer Law or Kubelka-Munk theory. Scanner digital counts were then empirically related to dye concentrations. From these estimated dye concentrations, either spectral transmittance or spectral reflectance factor could be predicted. Th...
Dye-sensitized solar cells technology has attracted extensive academic scholars’ interests due to their potential low-cost energy harvesting. Increasing performance of dye-sensitized cell needs more efficient dye maximize absorption. This work presents the synthesis and J–V characterization studies for a novel alizarin derivative HDD. The was formed by reaction between brominated 5-hexyl-2-thio...
The covalent immobilization of synthetic or natural macromolecular compounds containing amino groups onto polystyrene (PS) solid surfaces is of great interest in diagnostic applications. A sensitive assay allowing the determination of reactive end groups is therefore a powerful tool for predicting the performance of the active surface. Recently, we reported the use of the Coomassie brilliant bl...
In this paper, a comparative study of the treatment of raw and biotreated (upflow anaerobic sludge blanket, UASB) textile dye bath effluent using advanced oxidation processes (AOPs) is presented. The AOPs applied on raw and biotreated textile dye bath effluent, after characterization in terms of COD, colour, BOD and pH, were ozone, UV, UV/H2O2 and photo-Fenton. The decolorization of raw dye bat...
The study was designed for isolation and characterization of azo dye decolourizing bacteria which is a prerequisite for developing a microorganism-facilitated treatment of polluting dyes. In this study nine types of bacteria which were able to decolourize three types of azo dyes (Blue H/C, Red 3B and Yellow 3R dye) were isolated from textile effluents collected from Gazipur industrial area in B...
mesoporous tio2 has been prepared using a nonionic block copolymer (pluronic p-123) as structure-directing agent with sol-gel method. characterization of the product was carried out by means of x-ray diffraction (xrd), scanning electron microscopy (sem), thermogravimetry-differential scanning calorimetry (tg-dsc), nitrogen sorption isotherms, and uv-vis absorption spectroscopy. these analyses s...
fe3o4-containing cotton-like mesoporous silica system (fe3o4@ncsm) was studied with regard to its performance towards the photodecolorization of bromothymol blue (btb) aqueous solution. the surface properties of the functionalized catalyst were analyzed by a series of characterization techniques like ftir, xrd, bet, sem and tem. the n2 adsorption–desorption analysis shows that the mesostructure...
Fresh and dried leaves of Lawsonia inermis (Henna) were used in extracting dyes with variety solvents such as ethanol, acetone distilled water. To our knowledge, has been for the first time solvent to extract henna dye. These extracted sensitizers Dye-Sensitized Solar Cells (DSSCs). A sum six DSSCs fabricated. Spectroscopic studies (UV–Visible FTIR) recorded all photo-anodes prepared. J–V Chara...
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