Copper selenide crystallites synthesized using the hot-injection process

Yang, Chang Ting; Hsiang, Hsing I.; Tu, Jui Huan

doi:10.1016/j.apt.2016.03.004

Cited by 22 publications

(7 citation statements)

References 16 publications

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“…Based on these properties, metal selenides are being exploited in various fields including field-effect transistors [453], light-emitting diodes (LED) [454], solar cells [455], and wastewater remediation [456]. The commonly utilized metal selenides include ZnSe [457], CdSe [458], SnSe [459], PbSe [460], FeSe 2 [461], CuSe [462], and CdTe [463].…”

Section: Functionalized Metal Selenide Nanomaterialsmentioning

confidence: 99%

Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration

et al. 2022

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Nanotechnology has emerged as an extraordinary and rapidly developing discipline of science. It has remolded the fate of the whole world by providing diverse horizons in different fields. Nanomaterials are appealing because of their incredibly small size and large surface area. Apart from the naturally occurring nanomaterials, synthetic nanomaterials are being prepared on large scales with different sizes and properties. Such nanomaterials are being utilized as an innovative and green approach in multiple fields. To expand the applications and enhance the properties of the nanomaterials, their functionalization and engineering are being performed on a massive scale. The functionalization helps to add to the existing useful properties of the nanomaterials, hence broadening the scope of their utilization. A large class of covalent and non-covalent functionalized nanomaterials (FNMs) including carbons, metal oxides, quantum dots, and composites of these materials with other organic or inorganic materials are being synthesized and used for environmental remediation applications including wastewater treatment. This review summarizes recent advances in the synthesis, reporting techniques, and applications of FNMs in adsorptive and photocatalytic removal of pollutants from wastewater. Future prospects are also examined, along with suggestions for attaining massive benefits in the areas of FNMs.

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Section: Functionalized Metal Selenide Nanomaterialsmentioning

confidence: 99%

Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration

et al. 2022

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“…This can be seen better on etched samples. The high-resolution spectra indicate that the binding energy values are 932.2–932.4 eV for the Cu2p 3/2 region, which equates to CuSe (932.27 eV) [ 24 ], CuInSe 2 (931.8–932.49 eV) [ 25 ], Cu 2 Se (931.9–932.5 eV) [ 26 ], and Cu 2 O (932.3–932.5 eV) [ 27 , 28 ]. The peaks at 952.2–952.4 eV found in the Cu2p 1/2 region correspond to CuInSe 2 (952.31 eV) [ 25 ] and Cu 2 O (952.5 eV) [ 28 ].…”

Section: Resultsmentioning

confidence: 99%

Effect of In-Incorporation and Annealing on CuxSe Thin Films

Ivanauskas

Ancutienė

2021

Materials

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A study of indium-incorporated copper selenide thin-film deposition on a glass substrate using the successive ionic adsorption and reaction method (SILAR) and the resulting properties is presented. The films were formed using these steps: selenization in the solution of diseleniumtetrathionate acid, treatment with copper(II/I) ions, incorporation of indium(III), and annealing in an inert nitrogen atmosphere. The elemental and phasal composition, as well as the morphological and optical properties of obtained films were determined. X-ray diffraction data showed a mixture of various compounds: Se, Cu0.87Se, In2Se3, and CuInSe2. The obtained films had a dendritic structure, agglomerated and not well-defined grains, and a film thickness of ~90 μm. The band gap values of copper selenide were 1.28–1.30 eV and increased after indium-incorporation and annealing. The optical properties of the formed films correspond to the optical properties of copper selenide and indium selenide semiconductors.

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“…It is similar to the copper selenide (Cu 2 Se) reported by Li et al [ 35 ] The cubic Cu 2– x Se crystals were formed by stacking of 2D layers, as shown in Figure 4d. [ 36 ] The crystallite size was about 200 nm. On the contrary, no grains were observed in SEM micrographs on the Se‐rich TFs, as shown in Figure 4e,f.…”

Section: Resultsmentioning

confidence: 99%

Tailoring the Surface Characteristics of CuSe Thin Films by Adjusting the Compositional Ratio

Lee

Kim

Park

et al. 2021

Physica Status Solidi (a)

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Using radio frequency (RF) magnetron cosputtering, copper selenide thin films (TFs) with various ratios of Se are fabricated herein. To observe how the chemical and physical properties change based on morphology, the ratio of metallic Cu to nonmetallic Se is tuned to form multiple different compositions. The compositional percentage of the surface is determined by X‐ray photoelectron spectroscopy (XPS). Noticeable transitions of the characteristics of TFs are affected by Cu to a higher degree than Se. Larger grain sizes are observed when the Se ratio is high in Cu‐rich TFs. Most copper selenide TFs are hydrophobic and portray these characteristics the strongest when the surface Se ratio of TF is 16.62% as the contact angle with distilled water is 129°. In addition, the electrical conductivity is the highest at 2.04 (±0.13) × 107 S m−1 when the surface Se ratio is 10.95%.

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Copper selenide crystallites synthesized using the hot-injection process

Cited by 22 publications

References 16 publications

Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration

Covalent and Non-covalent Functionalized Nanomaterials for Environmental Restoration

Effect of In-Incorporation and Annealing on CuxSe Thin Films

Tailoring the Surface Characteristics of CuSe Thin Films by Adjusting the Compositional Ratio

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