Deposition of CuCdS2 thin film by single step solution process at low temperature as a novel absorber for photovoltaic applications

Kumar, V. Jawahar Senthil; Suriakarthick, R.; Hayakawa, Y.; Hussain, Shamima; Bhalerao, G. M.; Gupta, Mukul; Sathe, Vasant

doi:10.1016/j.spmi.2014.09.030

Cited by 13 publications

(1 citation statement)

References 38 publications

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“…Conversely, the significant peak change in the Raman spectra corresponded to the binary phases of CuS and CdS. This might be related to the tensile tension that develops in the nanoparticles during CuCdS composite production 39,40 . The XPS analysis was performed on the best Cu‐Cd components with S (Cu 0.5 Cd 0.5 S composite) sample.…”

Section: Resultsmentioning

confidence: 99%

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Babu

Sakthivel

Syamsai

et al. 2022

Intl J of Energy Research

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Summary An advanced type of CuCdS composite is synthesized using a one‐step synthesis method. Nanomaterials of CdS, CuS, and their bimetal sulphides were synthesized using hydrothermal method and employed as an electrode for supercapacitor applications. The optimized Cu/Cd cations ratio with S (at %: 29:29:42) of bimetallic CuCdS composites have an improved electrochemical capacitance of 180 F/g at 0.5 A/g with 80.2% retention and 88% coulombic efficiency after 2000 cycles at 1 mA cm−2, which is much greater than that of other Cu/Cd ratio altered composites and bare metal sulphides. This bimetallic Cu0.5Cd0.5S composite has the lowest Rs and Rct value of 0.245 and 6.3 Ω than other electrodes. The synergistic benefits of two metal ions with an optimal ratio and their distinctive structural advantages provide numerous active sites with enhanced electron transfer and intercalation processes, resulting in a considerable improvement. Furthermore, this technique is highly universal and can be adapted to virtually all transition metal dichalcogenide (TMD)‐related investigations to develop ideal electrode materials with significant structural and electrochemical fitting benefits, hence increasing the electrochemical performances of supercapacitor devices.

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Section: Resultsmentioning

confidence: 99%

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Babu

Sakthivel

Syamsai

et al. 2022

Intl J of Energy Research

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Synthesis and characterization of Cu_xCd_1‐xS nanocrystals into functionalized nitrile butadiene rubber matrix

Balayeva,

Azizov,

Muradov

et al. 2024

J Chinese Chemical Soc

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IntroductionPolymetallic sulfides and heterostructures like CdIn2S4, CdZnS2, CuxS‐NiySz, Cu2CoSnS4, CoNi2S4, Zn0.76Co0.24S have been fabricated with various shapes and forms for new applications. Ternary copper cadmium sulfides (CuCdS2) are a p‐type semiconductor with a direct band gap of about 2.4 eV forms very good nanocrystals like copper sulfide could be potentially applied to optical and electronic applications. Knowing that the SILAR synthesis, optical, paramagnetic, dielectric properties, and annealing of copper cadmium sulfides have not been sufficiently investigated, they are extensively analyzed and studied in the present work.ObjectivesCuxCd1−xS (x = 0, 0.5, and 1) nanoparticles have been synthesized on the base of functionalized nitrile butadiene rubber by SILAR method and characterized using scanning electron microscopy, x‐ray diffractometer, UV–visible spectroscopy, Fourier‐transform infrared spectroscopy, electron paramagnetic resonance spectroscopy, and Raman spectroscopy. Effects of cycles, reaction time, and precursor concentration on the particle size, crystal growth and structure, bandgap energy, dielectric and paramagnetic properties, elemental composition, and morphology were investigated.MethodsThe synthesis of CuxCd1−xS nanocrystals was carried out into the obtained functional polymer matrix by SİLAR method. The functional polymer (FNBR) is a dark brown powder which contains ‐PO(OH)2 and ‐OPO(OH)2 functional groups and does not dissolve in organic and inorganic solvents, can be used as a very good stabilizer of nanostructures. The synthesis of CuxCd1−xS/FNBR nanocompsite was carried out in 3, 5, and 15 cycles.Results and discussionIn the process of ternary sulfide formation, the nucleation rate of CdS was high at the beginning of the reaction, while the growth rate and stability of CuS were high in the later course of the reaction. The average crystallite size of the nancrystallites has been increased from 1.13 nm to 7.39 nm by the increasing of the number of cycles from 5 to 15, respectively. It is explained by the inclusion of copper in the composition and getting more stable material. Copper cadmium sulfide nanostructures demonstrate wide band gap energy (~3.7 eV) in this work which is explained by the formation of nanosized particles in a limited volume of FNBR matrix.ConclusionsThe synthesis of CuxCd1‐xS nanocrystals was carried out into the obtained functional polymer matrix by SİLAR method. Strong diffraction peaks corresponding to cubic CdS are found with low SILAR cycles. SEM images of CuxCd1−xS/FNBR nanocomposite show that the atomic percentage of Cu and Cd into the ternary sulfide is 20.19% and 0.61%, respectively. It is explained by the inclusion of copper in the composition and getting more stable material with low solubility products (Ksp) which is in good agreement with XRD results. The calculated band gaps are higher than that of bulk CdS, CuS, and CuCdS2. Larger band gap is usually reported for defects or structural disorders, which is in good agreement with XRD and Raman results.

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Preferentially oriented CuCdS2 thin films and thickness effects on structural, optical and electrical properties

et al. 2019

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Deposition of CuCdS2 thin film by single step solution process at low temperature as a novel absorber for photovoltaic applications

Cited by 13 publications

References 38 publications

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Synthesis and characterization of Cu_xCd_1‐xS nanocrystals into functionalized nitrile butadiene rubber matrix

Preferentially oriented CuCdS2 thin films and thickness effects on structural, optical and electrical properties

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Deposition of CuCdS2 thin film by single step solution process at low temperature as a novel absorber for photovoltaic applications

Cited by 13 publications

References 38 publications

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Pre‐eminent design and performance of hybrid diatomic sulphide materials for supercapacitor applications

Synthesis and characterization of CuxCd1‐xS nanocrystals into functionalized nitrile butadiene rubber matrix

Preferentially oriented CuCdS2 thin films and thickness effects on structural, optical and electrical properties

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Synthesis and characterization of Cu_xCd_1‐xS nanocrystals into functionalized nitrile butadiene rubber matrix