In recent years, antibiotic drugs have been extensively used owing to increased industrial growth, and this has created issues related to drinking water and a green environment. Different techniques have been used to resolve these issues, among which heterogeneous photocatalysis has been widely explored for the elimination of toxic compounds from wastewater resources. In this study, ZnIn2S4, g-C3N4, and ZnIn2S4/g-C3N4 hybrid heterostructured composites are synthesized via hydrothermal method and used these (i) for the removal of antibiotic sulfamethoxazole pollutant and (ii) photoelectrochemical water oxidation. The nanomaterials were characterized using X-ray diffraction, Scanning electron microscopy, transmission electron microscopy, and UV-vis spectroscopy. The developed hybrid heterostructured composites were able to degrade sulfamethoxazole pollutants as well as offer improved photoelectrochemical properties compared to pristine samples. The catalytic performance of the materials developed under visible light irradiation was greatly improved for the degradation of the antibiotic drug up to 89.4% in 2 h. Moreover, the hybrid heterostructured photoelectrode showed a better photocurrent density (8.68 mA/cm2) and exhibited ∼19.2 and 29.9 times greater photocurrent density than the pristine photoelectrodes. Such a considerably increased catalytic activity was attributed to the active separation of charge carriers and transmission. The study offers an innovative approach to develop effective catalysts, and for the degradation of sulfamethoxazole as well as the PEC properties for hydrogen production. 

Heterostructured 2D/2D ZnIn2S4/g-C3N4 nanohybrids for photocatalytic degradation of antibiotic sulfamethoxazole and photoelectrochemical properties.

In-situ synthesis of 0D/1D CeO2/Zn0.4Cd0.6S S-scheme heterostructures for boosting photocatalytic remove of antibiotic and chromium

In this study, Bi2MoO6/NH2-UiO-66(Zr/Ce) photocatalytic materials with heterojunction structure were synthesized by the hydrothermal method, and their photocatalytic degradation of oxytetracycline was researched. All of the composites exhibited better photocatalytic degradation properties than the pristine component. BMNU-2 showed the optimal photodegradation efficiency of 93.7 % after 150 min illumination, with the kinetic constant 7.22 and 3.37 times higher than that of NH2-UiO-66(Zr/Ce) and Bi2MoO6, respectively. The intermediates and degradation pathways of oxytetracycline were investigated by combining intermediate products testing and theoretical calculations. The ·O2–, h+ and ·OH are all the vital active species, and the degradation mechanism of oxytetracycline have been thoroughly investigated based on energy band theory. The toxicity test was conducted to investigate the environmental effect of OTC and the intermediates. The outstanding photocatalytic efficiency is mainly owing to three reasons: (1) The introduction of Ce in mixed-metal MOFs minished the band gap of the MOFs; (2) The Ce4+/Ce3+ cycle improved the charge separation efficiency; (3) The formation of heterojunction accelerated the charge transfer and expanded the extension of light absorption. This research offers neoteric thinking for the design of high-performance photocatalytic materials. 

Z-scheme heterojunction Bi2MoO6/NH2-UiO-66(Zr/Ce) for efficient photocatalytic degradation of oxytetracycline: Pathways and mechanism

Van der Waals Forces between S and P Ions at the CoP‐C@MoS
 2
 /C Heterointerface with Enhanced Lithium/Sodium Storage

One-pot synthesis of carbon coated Cu-doped ZnIn2S4 core–shell structure for boosted photocatalytic H2-evolution

Super-hydrophobic cotton aerogel with ultra-high flux and high oil retention capability for efficient oil/water separation

One-pot synthesis of Zn-CdS@C nanoarchitecture with improved photocatalytic performance toward antibiotic degradation.

Nanostructured metastable metallic phase transition‐metal dichalcogenides (TMDs) have attracted tremendous attention due to their promising practical application in hydrogen evolution reaction (HER). However, it is still quite challenging to construct...

Metallic phase WSe2 nanoscrolls for hydrogen evolution reaction

A new-type binder-free Sn/C composite membrane with densely stacked Sn-in-carbon nanosheets was prepared by vacuum-induced self-assembly of graphene-like Sn alkoxide and following in situ thermal conversion. The successful implementation of this rational strategy is based on the controllable synthesis of graphene-like Sn alkoxide by using Na-citrate with the critical inhibitory effect on polycondensation of Sn alkoxide along the a and b directions. Density functional theory calculations reveal that graphene-like Sn alkoxide can be formed under the joint action of oriented densification along the c axis and continuous growth along the a and b directions. The Sn/C composite membrane constructed by graphene-like Sn-in-carbon nanosheets can effectively buffer volume fluctuation of inlaid Sn during cycling and much enhance the kinetics of Li+ diffusion and charge transfer with the developed ion/electron transmission paths. After temperature-controlled structure optimization, Sn/C composite membrane displays extraordinary Li storage behaviors, including reversible half-cell capacities up to 972.5 mAh g-1 at a density of 1 A g-1 for 200 cycles, 885.5/729.3 mAh g-1 over 1000 cycles at large current densities of 2/4 A g-1, and terrific practicability with reliable full-cell capacities of 789.9/582.9 mAh g-1 up to 200 cycles under 1/4 A g-1. It is worthy of noting that this strategy may open up new opportunities to fabricate advanced membrane materials and construct hyperstable self-supporting anodes in lithium ion batteries.

Precise Construction of Sn/C Composite Membrane with Graphene-Like Sn-in-Carbon Structural Units toward Hyperstable Anode for Lithium Storage.

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