Novel precursors for synthesis of dendrite-like PbTe nanostructures and investigation of photoluminescence behavior

Gholamrezaei, Sousan; Salavati‐Niasari, Masoud; Bazarganipour, Mehdi; Panahi-Kalamuei, Mokhtar

doi:10.1016/j.apt.2014.05.007

Cited by 36 publications

(13 citation statements)

References 38 publications

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“…The red band luminescence was created because of structural defects or light scattering of solvent [20]. According to these results, green emission was described as oxygen deficient violet luminescence and emission of radiative recombination between the electrons in oxygen vacancies and the holes on germanium-oxygen vacancies centers [21]. While, further work was still needed to understand this remain unclear luminescence mechanism [22].…”

Section: Resultsmentioning

confidence: 98%

Facile synthesis of GeO2 nanostructures and measurement of photocatalytic, photovoltaic and photoluminescence properties

Nejaty-Moghadam

Esmaeili-Bafghi-Karimabad

Gholamrezaei

et al. 2015

J Mater Sci: Mater Electron

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In this work, germanium dioxide nanostructures were prepared by a facile co-precipitation method. In this synthesis approach was used from acetyl acetone as capping agent to get the smallest nanoparticles. Some of effective parameters were optimized to achieve the best morphology of product, such as mole ratio of acetyl acetone, temperature and time. Small germania nanostructures with a size about 70 nm sizes were achieved in this method. Nanostructures were characterized using X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Fourier transform infrared techniques X-ray energy dispersive spectroscopy and ultraviolet spectroscopy (UV-Vis). Various properties such as photoluminescence, photocatalytic and photovoltaic property were studied for as-prepared nanostructures. Results of germania nanostructures show that product revealed a PL band that caused from recombination of electron and hole in nanostructure. On the other hand, these nanostructures show a good photocatalytic behavior for degradation of methyl orange in presence of UV light. Therefore germania nanoparticles applied in photovoltaic measurement.

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Section: Resultsmentioning

confidence: 98%

Facile synthesis of GeO2 nanostructures and measurement of photocatalytic, photovoltaic and photoluminescence properties

Nejaty-Moghadam

Esmaeili-Bafghi-Karimabad

Gholamrezaei

et al. 2015

J Mater Sci: Mater Electron

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“…Among all these approaches, co-precipitation process has confirmed a successful approach to prepare inorganic nanomaterials with interesting morphologies and regular particle sizes [18][19][20][21][22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 97%

Large scale synthesis of novel flower-like strontium molybdate nanostructures via co-precipitation method

Ghaed-Amini

Bazarganipour

Salavati‐Niasari

2015

J Mater Sci: Mater Electron

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In this work, we have successfully prepared flower-like strontium molybdate nanostructures via coprecipitation approach by utilizing Sr(Sal) 2 (Sal = salicylidene) and ammonium hepta molybdate as starting materials in water as solvent. Phases, morphologies and optical properties were analyzed by Fourier transform Infrared spectra, X-ray diffraction, energy dispersive X-ray microanalysis, ultraviolet-visible spectroscopy, photoluminescence spectroscopy and scanning electron microscopy. To obtain optimum conditions, we considered the effects of temperature, solvent, surfactant and strontium source. It was established that morphology, particle size and phase of the final products could be extremely affected via these parameters. It was revealed that utilizing of water as solvent provided flower-like nanostructures.

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“…These nanocrystals have been applied to many distinctive technological areas involving biological labeling and diagnostics, light emitting diodes, electroluminescent devices, photovoltaic devices, lasers and single electron transistors [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Posnjakite Nanoparticles in the Presence of a New Capping Agent

Bazarganipour

Sahebi-Harandi

Salavati‐Niasari

2015

High Temperature Materials and Processes

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Posnjakite nanoparticles, Cu 4 SO 4 (OH) 6 · H 2 O, were synthesized by utilizing a new thio-Schiff base ligand as new capping agent via a microwave approach. The effects of molar ratio, surfactants, heating time and microwave power on morphology of the product were investigated. The as-synthesized posnjakite nanoparticles were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy and energy dispersive X-ray analysis (EDAX). The effects of different parameters such as the molar ratio, surfactants, microwave power and irradiation time on the morphology of the products were investigated. Moreover, adsorption of methylene orange dye on posnjakite nanoparticles was considered and the uptake percent was determined to be > 65% in 200 min.

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Novel precursors for synthesis of dendrite-like PbTe nanostructures and investigation of photoluminescence behavior

Cited by 36 publications

References 38 publications

Facile synthesis of GeO2 nanostructures and measurement of photocatalytic, photovoltaic and photoluminescence properties

Facile synthesis of GeO2 nanostructures and measurement of photocatalytic, photovoltaic and photoluminescence properties

Large scale synthesis of novel flower-like strontium molybdate nanostructures via co-precipitation method

Synthesis of Posnjakite Nanoparticles in the Presence of a New Capping Agent

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