cadmium tellurium adsorption

Towards phase pure CZTS thin films by SILAR method with ...

Aug 22, 2019· The leading thin film photovoltaic technologies of today based on the chalcogenide materials, cadmium telluride (CdTe) and copper indium gallium selenide (CIGS), are considered to be low cost and widely deployable [].But there are some serious concerns regarding both CdTe and CIGS: cadmium is highly toxic, and tellurium, gallium, and indium are extremely rare on our planet.

Cadmium telluride nanoparticles loaded on activated carbon ...

The objective of this study was to assess the potential of cadmium telluride nanoparticles loaded onto activated carbon (CdTN-AC) for the removal of sunset yellow (SY) dye from aqueous solution. Adsorption studies were conducted in a batch mode varying solution pH, contact time, initial dye concentration, CdTN-AC dose, and temperature.

Removal of CdTe in acidic media by magnetic ion-exchange ...

Aug 30, 2014· Removal of CdTe in acidic media by magnetic ion-exchange resin: a potential recycling methodology for cadmium telluride photovoltaic waste. ... The adsorption process for Cd and Te reached equilibrium in a few minutes and this process highly depended on the dosage of adsorbents and the affinity of sulfonate groups with cations. Because of its ...

Oxygen adsorption on CdTe(110) | Request PDF

Oxygen adsorption on CdTe(110) ... (XPS) have been applied to investigate oxygen adsorption on a cadmium zinc telluride (CZT) (1 1 1)A surface. The surface chemical composition and the surface ...

Determination of beryllium, cadmium, and tellurium in ...

Determination of beryllium, cadmium, and tellurium in animal tissues using electronically excited oxygen and atomic absorption spectrophotometry. Lockwood TH, Limtiaco LP. A method using electronically excited oxygen for destruction of organic matter and atomic absorption spectrophotometry for the determination of beryllium, cadmium and ...

Characterization of nanocrystalline cadmium telluride thin ...

Characterization of nanocrystalline cadmium telluride thin films grown by su ccessive ionic layer adsorption and reaction (SILAR) method A U UBALE*, R J DHOKNE, P S CHIK HLIKAR, V S SANGA WAR and D K KULKARNI † Department of Physics, Govt. Vid arbha Institute of Science and H umanities, Amravati 444 604, India

Adsorption and Dissociation of CO on Ru(0001)

employing a liquid nitrogen cooled mercury−cadmium− telluride (MCT) detector was used. Background and sample scans were recorded by coadding 256 scans with a resolution of 4cm−1. The crystal surface was subjected to a cleaning process, consisting of oxygen cleaning, annealing, and Ar ion sputtering.

Adsorption of telluride ions on cadmium telluride ...

Behaviour of cadmium telluride in aqueous solutions under reductive conditions. Journal of Electroanalytical Chemistry and Interfacial Electrochemistry 1989, 269 (2), 305-322. DOI: 10.1016/0022-0728(89)85140-X. P. Allongue, E. Souteyrand.

Recovery of tellurium from aqueous solutions by adsorption ...

The tellurium adsorption capacities of NZVFe obtained at various adsorption temperatures and times are displayed in Fig. 9B. As can be seen in Fig. 9B, the tellurium adsorption capacity increased from 68.61 mg/g to 83.57 mg/g accompanied by the temperature increased from 30 °C to 60 °C. It indicated that the tellurium adsorption process of ...

An in situ infrared spectroscopic study of ligand ...

An in situ infrared spectroscopic study is described of the adsorption of 8-quinolinol, thiosulfate, thiosalicyclic acid and diethyldithiocarbamate from aqueous solution to cadmium telluride (CdTe) particle films. Adsorption isotherms and adsorption constants have been derived for 8-quinolinol and thiosulfate adsorbed to CdTe.

Ratiometric fluorescence nanosensors based on core-shell ...

In the system, blue emissive carbon quantum dots wrapped with silica served as the internal reference signal for eliminating background interference, while red emissive thioglycolic acid modified CdTe quantum dots (CdTe QDs), which are low dimensional semiconductor materials by the combination of cadmium and tellurium with excellent optical ...

Preparation and Development of a Novel Activated Carbon ...

We adopted to determine maximum adsorption capacity of cadmium (II) ions by activated carbon, the adsorption of cadmium on the activated carbon has been realized on the solution from cadmium chloride. A solution of cadmium (II) ions of concentration 30 mg/L was prepared by dissolving 50 mg of CdCl2 in a 1000 mL volumetric flask.