Copper sulfide nanostructures: synthesis and biological applications

Abstract

Over the past few years, considerable attention has been paid to biomedical applications of copper sulfide nanostructures owing to their enhanced physiochemical and pharmacokinetics characteristics in comparison to gold, silver, and carbon nanomaterials.

Electronic Properties of Transition and Alkaline Earth Metal Doped CuS: A DFT Study

“…It has been used for visible-light photocatalytic degradation of organic pollutants, theranostics, light-harvesting antennas, dye-sensitized solar cells, and photothermal conversion. [8][9][10][11][12] Band gaps in the range of 1.7-2.8 eV have been reported in experimental work, depending on the CuS morphology. [13][14][15][16][17] Despite this narrow band gap and wide range of applications, CuS has limitations, particularly a rapid recombination rate of photogenerated electron-hole pairs, mainly because of its poor inherent charge mobility and high concentration of defects, and poor stability.…”

“…Covellite CuS is one of the most stable and widely used phases out of all the Cu x S compositions. It has been used for visible‐light photocatalytic degradation of organic pollutants, theranostics, light‐harvesting antennas, dye‐sensitized solar cells, and photothermal conversion [8–12] . Band gaps in the range of 1.7–2.8 eV have been reported in experimental work, depending on the CuS morphology [13–17] .…”

Recent Development of Nanomaterials for Transdermal Drug Delivery

“…Semiconductor hollow copper sulfide nanoparticles (HCuSNPs) are synthetic photo-absorbers [ 79 ] with a diameter ranging from 3 to 11 nm [ 80 ]. Furthermore, the photo-thermal [ 76 , 81 ] features of the HCuSNPs enable them to capture near-infrared light and reach temperatures of around 40 °C before partially damaging the stratum corneum and allowing the drug to deliver safely [ 76 ]. Thus, HCuSNPs have been used to deliver chlorine6 (Ce6, a photosensitizer) and doxorubicin (DOX) to the 4T1 mouse mammary cells [ 82 ].…”

Mechanochemical synthesis of non-stoichiometric copper sulfide Cu1.8S applicable as a photocatalyst and antibacterial agent and synthesis scalability verification

“…Apart from the well-known application potential of the stoichiometric copper suldes covellite CuS and chalcocite Cu 2 S, [1][2][3][4][5][6][7][8] non-stoichiometry in the Cu-S system has become very interesting, as such structural imperfections and defects are benecial for some applications. [9][10][11] Non-stoichiometric copper suldes, namely yarrowite (Cu 1.12 S), anilite (Cu 1.75 S), and digenite (Cu 1.8 S), can be utilized e.g., in electrocatalysis, 12 batteries, 13,14 sensors, 15 supercapacitors, 16,17 and solar cells.…”