نتایج جستجو برای: dye characterization

تعداد نتایج: 412773  

Journal: : 2023

In this research, the nanosized Fe2V4O13 complex oxide material was synthesized by hydrothermal method. Its structure, morphology characterization, and other properties were determined using X-ray, SEM, EDX, DTA-TG methods. The catalytic activity of evaluated in terms decolorization degradation Indigo carmine dye. optimal condition for reusability catalyst determined. results showed that hetero...

2016
Gurpreet Singh Selopal Hui-Ping Wu Jianfeng Lu Yu-Cheng Chang Mingkui Wang Alberto Vomiero Isabella Concina Eric Wei-Guang Diau

We report the synthesis and characterization of new metal-free organic dyes (namely B18, BTD-R, and CPTD-R) which designed with D-π-A concept to extending the light absorption region by strong conjugation group of π-linker part and applied as light harvester in dye sensitized solar cells (DSSCs). We compared the photovoltaic performance of these dyes in two different photoanodes: a standard TiO...

2016
T. H. Nguyen Y. C. Lin C. T. Chen F Surre T. Venugopalan T. Sun K. T. V. Grattan

In this paper, research into the fabrication and characterization of a new fibre optic sensor for chloride ion detection is reported. This sensor is based on the fluorescence quenching of an acridinium dye, which is covalently bound to polymer substrates, in presence of chloride ions. The active material is formed as a powder and packed in a tablet form. Calibration data shows that this fibre o...

Journal: :Nanoscale 2013
Kaitlin M Haas Benjamin J Lear

We report the thermal degradation of a solid film of polypropylene carbonate, driven by the photothermal effect of gold nanoparticles. We provide characterization of the products of this chemical reaction and use the known activation barrier for this chemical reaction to discuss the temperatures obtained in the film. In addition, we report the efficiency of the reaction as a function of nanopar...

2015
Qipeng Chai Wenqin Li Jingchuan Liu Zhiyuan Geng He Tian Wei-hong Zhu

Dye-sensitized solar cell (DSSC) is considered as a feasible route to the clean and renewable energy conversion technique. The commercial application requires further enhancements on photovoltaic efficiency and simplification on the device fabrication. For avoiding the unpreferable trade-off between photocurrent (JSC) and photovoltage (VOC), here we report the molecular engineering and comprehe...

1980
Nabila Rahman Zainal Abedin Ali Hossain

In the present study, nano-scale Zero Valent Iron (NZVI) was synthesized in ethanol medium by the method of ferric iron reduction using sodium borohydride as a reducing agent under atmospheric conditions. The obtained iron nanoparticles are mainly in zero valent oxidation state and remain without significant oxidation for hours. A systematic characterization of NZVI was performed using XRD, SEM...

Journal: :Environmental Technology and Innovation 2022

Herein, we report, for the first time, synthesis, characterization, and photocatalytic methyl blue dye degradation performance of magnesium oxide (MgO) nanoparticles (NPs) synthesized by a facile green approach using Camellia sinensis (tea leaves) extract as reducing agent. The as-prepared materials were characterized X-ray diffraction (XRD), which confirmed large-scale synthesis well crystalli...

Journal: :Jurnal kimia Valensi 2022

The present study investigated the ability of modified shrimp shell by Polyethylenimine (PEI) for enhanced removal metanil yellow. modification was carried out using citric acid as a cross linker. yellow shell-PEI conducted batch method and some parameters affected adsorption including pH, initial dye concentration, contact time. optimum conditions were achieved at pH 5, concentration 1200 mg/L...

Journal: :Clean energy 2021

Abstract In this study, analysis was performed of the macro characterization solar cells with chlorophyll dye from Syzygium paniculatum, using scanning electron microscopy (SEM) and energy-dispersive X-ray (EDX) analysis. Solar based on titanium dioxide (TiO2) nanomaterial S. paniculatum can increase efficiency due to flavonoids batulinic acid content. Photoanode TiO2 is one essential factors d...

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