In addition, Cys also has a limiting effect on the size of nanospheres, helping to increase the specific surface area of nanomaterials and exhibit better light absorption and photothermal properties (photothermal conversion efficiency = 43.30%), which has significant advantages compared to copper sulfide and other transition metal sulfides ...
Stable construction of layered reduced grapheme oxide/copper sulfide composites on cellulose fibers with hyperbranched polyamide-amine for efficient photocatalytic degradation of organic dyes Ind. Crops Prod., 170 ( 2021 ), Article 113695, 10.1016/j.indcrop.2021.113695
The optimized CuS nanoflowers exhibit a photothermal conversion efficiency of 37.6%, realizing a temperature increase of nearly 50 °C within 10 min under 1064 nm laser irradiations at a power density of 1 W cm-2. They also exhibit broad-spectrum antibacterial activity, rendering them promising candidates for combating a spectrum of bacterial ...
A new inorganic solid state electrocatalyst for the hydrogen evolution reaction (HER) is reported. Highly crystalline layered ternary sulfide copper-molybdenum-sulfide (Cu2MoS4) was prepared by a simple precipitation method from CuI and [MoS4]2− precursors. In aqueous solution and over a wide pH range (pH 0 to 7), this Cu2MoS4 …
EDAX spectrum o f the copper sulfide film. The average composition of the copper sulfide film obt ained by EDS analysis (Figure 2 ) was found to be Cu 1.7 S, which is also consistent with the mixed phases of deginite and covellite. Fig ure 3. FE SEM image o f the copper sulfide film. Figure 3 is a typical FE SEM image of the copper sulfide film .
Owing to the NIR absorption properties of copper sulfide, Li et al. 76 have synthesized copper sulfide NPs for photothermal ablation therapy by a wet chemical method with an average size of 3 nm. They investigated the …
Copper sulfide (CuS), due to its superior performance compared to other mineral sulfides, was chosen as the active component, and the PUF, because of its wide availability and favorable structure, was used as the supporter. ... Development of Nano-Sulfide Sorbent for Efficient Removal of Elemental Mercury from Coal Combustion Fuel …
In this paper, the copper sulfide/copper selenide (Cu2S/Cu2Se) composite is presented as a new counter electrode (CE) in the quantum-dot-sensitized solar cells (QDSSCs), for the first time. This novel CE shows a higher electrocatalytic performance towards the polysulfide electrolyte. The obtained results show that, with the change of …
Copper sulfides have been studied in the TE field for more than 190 years, which possess ultralow lattice thermal conductivity because of the strong phonon scattering effects and the vanished...
CMC-FeS can effectively compete with Cu(II) ligands to recover Cu(II) from copper complex wastewater, which is an efficient countermeasure for the treatment of copper complex wastewater. This process involves a variety of mechanisms, such as sulfide precipitation, replacement or ion exchange, complex adsorption, and flocculating …
The phase composition and intrinsically excessive hole concentration of copper sulfide have been elaborately tailored by regulating Cu vacancies after …
It is highly desirable to develop low-cost, eco-friendly, and high-efficiency ... Copper Sulfide-Based Plasmonic Photothermal Membrane for High-Efficiency …
Abstract. Copper sulphide, with low cost and intrinsic near infrared (NIR) absorption, is an emerging and promising photothermal material that can provide high NIR photothermal conversion efficiency.
The hydrophilic cellulose network affords an adequate water supply and a low water vaporization enthalpy. By tuning the CuS loadings, the optimized evaporation rate …
An experimental study on an innovative contrast agent is presented. This work demonstrates that copper sulfide in the form of small-sized nanoparticles can be exploited in photoacoustic imaging. An advantage of this material is strong light absorption in the near-infrared range, especially in the transparency windows of biological tissues. In …
CuS/CeO 2 has good SO 2 resistance and maintains 98.9 % Hg 0 removal efficiency under 300 ppm SO 2 atmosphere. ... copper sulfide was identified as one of the most effective Hg 0 sorbents in the metal sulfide community as its surface undergoes remodeling at ambient temperatures to make the CuS surface enriched in coordination …
A new inorganic solid state electrocatalyst for the hydrogen evolution reaction (HER) is reported. Highly crystalline layered ternary sulfide copper-molybdenum-sulfide (Cu 2 MoS 4) was prepared by a simple precipitation method from Cu I and [MoS 4] 2− precursors. In aqueous solution and over a wide pH range (pH 0 to 7), this Cu 2 MoS 4 showed very …
The J–V results are obtained from the simulations as shown in Fig. 3 for three HTL layers including copper oxide, Spiro-OMeTAD and copper antimony sulfide. When the thickness value of absorber layer is too low, then it results in less absorption of light which ultimately lowers the power conversion efficiency.
Importantly, these Au NRs–Cu 7 S 4 heterostructures can be compatibly used as an 808 nm laser-driven photothermal therapy agents for the efficient photothermal therapy of cancer cells in vitro. This study will provide new insight into the design of other noble metal–semiconductor heterostructures for a broad range of applications utilizing ...
A broadband and highly efficient light absorption has been achieved in the wavelength of 300-2500 nm, along with high water evaporation efficiencies of 90.4 ± 1.1 and 93.3 ± 2.0% under 1 and 4 sun irradiation, respectively. Meanwhile, stable performance has been demonstrated for over 20 consecutive runs without much performance degradation.
Due to the difficulty in efficient doping for such 1D structure, the performance of as-fabricated thin-film solar cells is limited by high resistivity and hole extraction barrier. Herein, a coevaporation scheme is introduced for copper-doped Sb 2 S 3 by rapid thermal evaporation (RTE).
To achieve efficient solar interface evaporators, various materials, including black metal oxides, carbon materials, ... copper sulfide (CuS), an emerging plasmonic material, has gained significant attention as a valuable photothermal agent due to its tunable spectral absorption and high-efficiency photothermal conversion [26], [27], [28].
In addition, several solid-state compounds, in which copper are coordinated with P, O or N atoms, have also been reported to be efficient for electrocatalytic HER (e.g., Cu 3 P, Cu 2 O and Cu-C 3 N 4) [36], [37], [38]. Despite the above achievements made in Cu-based hydrogen-evolving electrocatalysts, the electrocatalytic activity and/or ...
Manganese (II) Chelate Functionalized Copper Sulfide Nanoparticles for Efficient Magnetic Resonance/Photoacoustic Dual-Modal Imaging Guided Photothermal Therapy Theranostics. 2015 Jul 25;5(10) :1144-53. ... Therefore, the copper sulfide nanoparticles functionalized with Mn(II) chelate hold great promise as a theranostic …
However, the photothermal-conversion efficiency of converted copper sulfide was low with a high dose to achieve desirable photonic therapeutic consequence. To solve this critical issue, the Au@Cu 2 O plasmonic …
The power factor (PF) of copper sulfide-based composites as a function of temperature is shown in Fig. 4 f. The PF is improved at low to mid temperatures for copper sulfide with an increasing boron content, which slightly reduces at 773 K since partial carriers tend to be distributed gently and contribute less to the resonance level [59].
Copper sulfide (CuS) was prepared by co-precipitation process at low temperature and atmospheric pressure without any additive while Cu(NO3)2 and thioacetamide were used as copper and sulfide sources, respectively. The effects of concentration, time, temperature, molar ratio of sulfur to copper and the pH of reaction …
Non-noble metal photothermal materials have recently attracted increasing attention as unique alternatives to noble metal-based ones due to advantages like earth abundance, cost-effectiveness, and large-scale application capability. In this study, hierarchical copper sulfide (CuS) nanostructures with tunable flower-like morphologies …
Copper sulfide (CuS) is a naturally occurring vulcanized mineral with metallic conductivity and a peculiar crystal structure that gives it favorable properties ... Degradation efficiency initially increased from 4% to 65% as the PMS concentration increased from 0.5 to 2.0 mM; a further increase initial PMS concentration to 5.0 mM …
A homogeneous copper bismuth sulfide photocathode prepared by spray pyrolysis deposition for efficient photoelectrochemical hydrogen generation. ... As a result, H 2 was obtained with high Faraday efficiency (94%) by using a platinum (Pt)-deposited In 2 S 3 /Cu 3 BiS 3 electrode under visible light (420–800 nm) irradiation. 2. Experimental ...