Rutherford backscattering spectroscopy analysis of the growth quality of chemical bath deposited PbSe thin films

Roa, Simón; Sandoval, Myrna; Suárez, S.

doi:10.1016/j.solidstatesciences.2021.106545

Cited by 5 publications

(5 citation statements)

References 23 publications

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“…Currently, the world is in trouble with air and water pollution released from nonrenewable energy sources such as coal, natural gas, fossil fuels, and fabrics [ 1 ]. The fuels released from fabrics flow out to the rivers and cause water pollution.…”

Section: Introductionmentioning

confidence: 99%

[Retracted] Examining Impacts of Acidic Bath Temperature on Nano‐Synthesized Lead Selenide Thin Films for the Application of Solar Cells

Saka¹,

Jule²,

Nagaprasad³

et al. 2022

Bioinorganic Chemistry and Applications

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The influence of bath temperature on nano-manufactured PbSe (lead selenide) films was successfully generated by utilizing CBD on the acid solution’s metal surface tool. Pb (NO3)2 was employed as a lead ion source as a precursor, while Na2O4Se was used as a selenide ion source. The XRD characterization revealed that the prepared samples are the property of crystalline structure (111), (101), (100), and (110) Miller indices. The scanning electron microscope indicated that the particles have a rock-like shape. There was a decrement of energy bandgap that is from 2.4 eV to 1.2 eV with increasing temperature 20°C–85°C. Thin films prepared at 85°C revealed the best polycrystal structure as well as homogeneously dispersed on the substrate at superior particle scales. The photoluminescence spectrophotometer witnessed that as the temperature of the solution bath increases from 20°C to 85°C, the average strength of PL emission of the film decreases. The maximum photoluminescence strength predominantly exists at high temperatures because of self-trapped exciton recombination, formed from O2 vacancy and particle size what we call defect centres, for the deposited thin films at 45°C and 85°C. Therefore, the finest solution temperature is 85°C.

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Section: Introductionmentioning

confidence: 99%

[Retracted] Examining Impacts of Acidic Bath Temperature on Nano‐Synthesized Lead Selenide Thin Films for the Application of Solar Cells

Saka¹,

Jule²,

Nagaprasad³

et al. 2022

Bioinorganic Chemistry and Applications

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“…The majority of the highest PL hardness is because of self-trapped exciton recombination, which is produced from particle size and is referred to as defect centres. For all elevated temperatures, the PL intensity drops instantaneously as a function of the aging time [9][10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]. In comparison, the photoluminescence intensity for wavelengths of higher wavelength for 60 min and 50 min is smaller than 40 min for wavelength intensity for higher aging time.…”

Section: Resultsmentioning

confidence: 99%

“…The anatase phase is assigned to the secondary band spectra experienced at a length of 500 nm as shown in Figure 3, whilst the rutile phase is assigned to the peaks between 500 and 550 nm. When compared to the manufacturing of electron states throughout the band gap, associated faults are much more energetically attractive, and they are shaped also during description of the TiO 2 nanoparticle anatase stage and the 500 nm band gap happens once the structure is a combination of anatase and rutile phases at a reduced oxygen flow ratio [11][12][13][14][15][16][17][18][19][20][21][22][23][24][25]. The highest peak observed shows that at maximum aging the desalination of water has the highest quality.…”

Section: Resultsmentioning

confidence: 99%

“…Nanosheets prepared in alkaline have environmental pollution; usually, they yield hydroxides, which can reduce the quality of nanosheet prepared. It would be difficult to depose the maximum quality of TiO 2 nanoparticles intimate of an alkaline chemical immerse environment unless the challenge of TiO 2 preparation is overcome [13][14][15][16][17][18]. The influence of hydroxide is diminished when TiO 2 is prepared in an acidic bath.…”

Section: Introductionmentioning

confidence: 99%

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Application of Titanium Dioxide Nanoparticles Synthesized by Sol-Gel Methods in Wastewater Treatment

Saka¹,

Jule²,

Belay³

et al. 2021

Journal of Nanomaterials

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Nanotechnology from titanium dioxide has been deposited, and its application in desalination and water treatment has been investigated by using sol-gel methods. Homogeneously dispersed sphere shapes of titanium dioxide nanoparticles were observed from scanning electron microscope micrographs and decrease in size as aging time increases from 40 min to 60 min. SEM micrographs of highly transparent nanopowders show that they are detected in the visible region from UV/visible and that their red shift around maximum wavelength increases with increasing aging time due to an increase in water quality. The energy band gap of the generated nanosheet has narrowed as the aging time has increased, which is related to the red shift of the absorption spectrum edge in the sheet. The structural behaviors of deposited nanoparticles have also been investigated, which confirms the existence of anatase as well as rutile levels in the liquid phase. The findings of the PL allowed us to determine the total strength of the intensity. This shows that applying photodegradation by a solar absorber could play a vital role in desalination and water treatment.

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“…Currently, the world is in trouble of air pollution released from nonrenewable sources of energy such as coal, natural gas, fossil fuels, and fabrics [1]. A wide-ranging investigation has been dedicated to producing numerous kinds of semiconductor thin films which are applicable in renewable sources of energy like solar cells [2].…”

Section: Introductionmentioning

confidence: 99%

Investigating the Influence of Bath Temperature on the Chemical Bath Deposition of Nanosynthesized Lead Selenide Thin Films for Photovoltaic Application

Saka¹,

Jule²,

Gudata³

et al. 2022

Journal of Nanomaterials

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Thin films of CBD are formed on metal surfaces from an aqueous solution containing Pb(NO3)2 and Na2O4Se. The impact of the bath temperature upon lead selenide NPs is analyzed. The evaluation of X-ray diffraction demonstrates that the produced NPs were polycrystalline with (111) orientation. The morphological analysis of the surface shows that the grains are spherical gemstones. As the bath temperature was raised from 20 to 85 degrees Celsius, the energy bandgap decreased from 2.4 to 1.2 eV, indicating a reduction in the band gap. Micron-sized nanoparticles produced at 85 degrees Celsius exhibited the best crystallinity and were uniformly spread across the surface of the substrate with excellent particle sizes. If the solution bath temperature increases from 20°C to 85°C, the average strength of PL decreases. The maximum photoluminescence strength is predominantly because of self-trapped exciton recombination, formed from O2 vacancy and particle size called defect centers, for the deposited thin films at 45°C and 85°C. The photoluminescence intensity rises sequentially with all temperatures. Therefore, the finest solution temperature is 85 degrees Celsius.

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Rutherford backscattering spectroscopy analysis of the growth quality of chemical bath deposited PbSe thin films

Cited by 5 publications

References 23 publications

[Retracted] Examining Impacts of Acidic Bath Temperature on Nano‐Synthesized Lead Selenide Thin Films for the Application of Solar Cells

[Retracted] Examining Impacts of Acidic Bath Temperature on Nano‐Synthesized Lead Selenide Thin Films for the Application of Solar Cells

Application of Titanium Dioxide Nanoparticles Synthesized by Sol-Gel Methods in Wastewater Treatment

Investigating the Influence of Bath Temperature on the Chemical Bath Deposition of Nanosynthesized Lead Selenide Thin Films for Photovoltaic Application

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