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 ...

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].

Copper sulfide based phototherapy, including photothermal therapy and photodynamic therapy, is an emerging minimally invasive treatment of tumor, which the light was converted to heat or reactive oxygen to kill the tumor cells. ... Cu 2−x S based phototherapy is more efficient and has fewer side effects. However, considering the …

To make copper sulphide, dissolve 2 g sodium thiosulfate in 100 ml deionized water and stir for 20 min at room temperature to produce a serum-like solution with thiosulfate ions (S 2 O 3 2−), which function as a reducing agent. 2 g copper sulphate was added to the generated serum while stirring, resulting in cupric ions (Cu 2+) in the …

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 …

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].

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.

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.

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 ...

Solar vapor generation has attracted tremendous attention as one of the most efficient ways of utilizing solar energy. It is highly desirable to develop low-cost, eco-friendly, and high-efficiency solar absorbers for practical applications of solar vapor generation. Herein, a three-dimensional plasmonic covellite CuS hierarchical …

4.8 Summary. Copper sulfide ores must be concentrated before they can be economically transported and smelted. The universal technique for this concentration is froth flotation …

XRD pattern in Fig. 3 c shows that copper removal products of all types FeS were copper sulfide (CuS) with good crystallization, which proves the efficient removal of copper ions. Interestingly, Fig. 3 d shows that only the arsenic removal products of fresh FeS were in the form of amorphous As 2 S 3, while those of aged FeS exhibited a large ...

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 …

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 ...

Especially, copper sulfide [34] (CuS) which is known as a class of a hole-trapping sacial agents has been extensively studied in photo-catalysis processes. It is a typical p-type semiconductor with a strong absorption features in a wide spectrum of ultraviolet (UV)-infrared light along with a relatively narrow optical bandgap, environment ...

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 .

Engineering Gold Nanorod–Copper Sulfide Heterostructures with Enhanced Photothermal Conversion Efficiency and Photostability - Leng - 2018 - …

The phase composition and intrinsically excessive hole concentration of copper sulfide have been elaborately tailored by regulating Cu vacancies after …

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

Fabrication of copper sulfide coatings. For the growth of a continuous CuS shell layer on the fabric surface, identical molar masses of CuSO 4 and Na 2 S 2 O 3 were dissolved in 300 mL deionized water. Then the PEI/PA-CF (10 cm × 10 cm) was placed vertically into the solution, and kept stationary at 80 °C for 2 h.

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 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 ...

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 …

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 …

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 …

As a copper sulfides class representative, CuS is a p-type semiconductor with a bandgap energy ranging from 1.7 eV to 3.46 eV [33,49] but, for most CuS, the Eg values are in the range of 1, 7-2.2 eV.

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...