Properties of CuS thin films treated in air plasma

Rodrı́guez-Lazcano, Y.; Martı́nez, H.; Calixto-Rodríguez, M.; Rodríguez, Alejandro Méndez

doi:10.1016/j.tsf.2009.03.075

Cited by 47 publications

(22 citation statements)

References 21 publications

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“…The observed increase in electrical resistivity with an increment in the Sn/Cu molar ratio from 0.2 to 0.6 (except the CTS3 sample) could be associated with a decrease in the crystallite size (table 2) and with copper-poor conditions in the samples. Similar observations have been reported in literature [19][20][21].…”

Section: Investigation Of Electrical Conduction Mechanisms Of Cts Samsupporting

confidence: 92%

“…According to [19][20][21] in polycrystalline semiconductors, the electrical resistivity of samples increases with a decrease in the crystallite size due to a decrease in charge carrier mobility. Furthermore, from figure 3 it was observed that two regions with different slopes in the plot suggest the presence of two different conduction mechanisms in the investigated temperature range.…”

Section: Investigation Of Electrical Conduction Mechanisms Of Cts Sammentioning

confidence: 99%

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Structural properties and variable-range hopping conductivity of Cu₂SnS₃

Nguyen

Захвалинский

Pham³

et al. 2019

Mater. Res. Express

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Section: Investigation Of Electrical Conduction Mechanisms Of Cts Samsupporting

confidence: 92%

Section: Investigation Of Electrical Conduction Mechanisms Of Cts Sammentioning

confidence: 99%

Structural properties and variable-range hopping conductivity of Cu₂SnS₃

Nguyen

Захвалинский

Pham³

et al. 2019

Mater. Res. Express

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“…8. It is evident that the trend of the hole mobility variations is consistent with the crystallite size variations (Table 1) which is in harmony with the report of Rodriguez-Lazcano et al [20]. Also it is clear that, while the substrate temperature of the samples increases, (1) the degenerate hole density gradually increases from *2.76 9 10 18 cm -3 to about 4.19 9 10 18 cm -3 ; and (2) the resistivity decreases from 0.064 to 0.032 X cm in PV260-PV335.…”

Section: Electrical Studysupporting

confidence: 91%

Nanostructured Cu2ZnSnS4 thin films: influence of substrate temperature on structural, morphological, optical and electrical properties

Adelifard

2015

Appl. Phys. A

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Photovoltaic Cu 2 ZnSnS 4 (CZTS) thin films have been deposited on the glass substrate by a simple and low-cost spray pyrolysis technique without sulfurization treatment in a toxic atmosphere. The influence of the substrate temperatures on the structural, compositional, morphological, optical and electrical properties of the CZTS films was investigated. The formation of kesterite structure in the films was confirmed using X-ray diffraction measurements. The improved crystallinity of the CZTS with a (112) orientation was observed with increasing the substrate temperature. The band gap of all films was found to be in the range from 1.44 to 1.56 eV which is close to the ideal band gap for the highest theoretical conversion efficiency of solar cell. AFM analysis revealed a smooth, compact and crack-free morphology. The electrical studies showed that all these samples had a p-type conductivity, and the free hole density and mobility increased with increasing the substrate temperature.

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“…Copper sulfide (Cu x S) was an extensively studied material in respect to solar cells in the 60s and 70s of the last century [1]. It is an abundant compound with almost a dozen of phases which crystallize with stoichiometries ranging from x=1 (covellite) to x=2 (chalcocite) and with band gaps covering the 1.3-2.4 eV range [2][3][4]. Its application in the field of photovoltaics was hindered through the relatively high degradation rate of the Cu x S/CdS interface (CdS served as a window layer for the p-n junction) and the Cu x S absorber [5].…”

Section: Introductionmentioning

confidence: 99%

Copper sulfide nanosheets with shape-tunable plasmonic properties in the NIR region

et al. 2018

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2D copper sulfide nanocrystals are promising building blocks for plasmonic materials in the near-infrared (NIR) spectral region. We demonstrate precise shape and size control (hexagonal/triangle) of colloidal plasmonic copper sulfide (covellite) nano-prisms simply by tuning the precursors concentration without introduction of additional ligands. The ultra-thin 2D nanocrystals possess sizes between 13 and 100 nm and triangular or hexangular shapes. We also demonstrate CuS nanosheets (NSs) with lateral sizes up to 2 microns using a syringe pump. Based on the experimental findings and DFT simulations we propose a qualitative and quantitative mechanism for the formation of different shapes. The analysis of the spectral features in the NIR of synthesized CuS nanocrystals has been performed in respect to the shape and the size of particles by the discrete dipole approximation method and the Drude-Sommerfeld theory.

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Properties of CuS thin films treated in air plasma

Cited by 47 publications

References 21 publications

Structural properties and variable-range hopping conductivity of Cu₂SnS₃

Structural properties and variable-range hopping conductivity of Cu₂SnS₃

Nanostructured Cu2ZnSnS4 thin films: influence of substrate temperature on structural, morphological, optical and electrical properties

Copper sulfide nanosheets with shape-tunable plasmonic properties in the NIR region

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Properties of CuS thin films treated in air plasma

Cited by 47 publications

References 21 publications

Structural properties and variable-range hopping conductivity of Cu2SnS3

Structural properties and variable-range hopping conductivity of Cu2SnS3

Nanostructured Cu2ZnSnS4 thin films: influence of substrate temperature on structural, morphological, optical and electrical properties

Copper sulfide nanosheets with shape-tunable plasmonic properties in the NIR region

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Structural properties and variable-range hopping conductivity of Cu₂SnS₃

Structural properties and variable-range hopping conductivity of Cu₂SnS₃