Snowflake-Like Cu2s/Mos2/Pt Heterostructure with Near Infrared Photothermal-Enhanced Electrocatalytic and Photoelectrocatalytic Hydrogen Production

In-situ constructed 2D/2D ZnIn2S4/Bi4Ti3O12 S-scheme heterojunction for degradation of tetracycline: Performance and mechanism insights.

Metal-sulfide nanostructures have piqued the interest of researchers for decades due to their intriguing optoelectronic properties. Indeed, significant advances and improvements have been made in various fundamental aspects for cutting-edge applications, such as water splitting and hydrogen production. Furthermore, rising demand for low-dimensional materials due to lower material consumption and improved performance due to quantum size effects has spurred research on semiconducting metal sulfides. Consequently, size-controllable nanostructures with diverse morphologies have been fabricated and studied for potential applications. However, the photocatalytic hydrogen evolution rate is still limited mainly by fast recombination rate, poor solar energy utilization and lack of surface-active sites for H2 reduction. This review will highlight particularly recent findings in metal-sulfide-based photocatalysts for hydrogen evolution reactions, considering the swift development and excellent research in this field. Following a brief overview of fundamental properties, we will explore state-of-the-art strategies for enhancing H2 generation efficiencies over the pristine, heterostructured and co-catalayzed metal-sulfide photocatalysts.

https://www.mdpi.com/2073-4344/12/11/1316/pdf?version=1667386496

Metal Sulfide Photocatalysts for Hydrogen Generation: A Review of Recent Advances

Water contamination is an escalating emergency confronting communities worldwide. While traditional adsorbents have laid the groundwork for effective water purification, their selectivity, capacity, and sustainability limitations have driven the search for more advanced solutions. Despite many technological advancements, economic, environmental, and regulatory hurdles challenge the practical application of advanced adsorption techniques in large-scale water treatment. Integrating nanotechnology, advanced material fabrication techniques, and data-driven design enabled by artificial intelligence (AI) and machine learning (ML) have led to a new generation of optimized, high-performance adsorbents. These advanced materials leverage properties like high surface area, tailored pore structures, and functionalized surfaces to capture diverse water contaminants efficiently. With a focus on sustainability and effectiveness, this review highlights the transformative potential of these advanced materials in setting new benchmarks for water purification technologies. This article delivers an in-depth exploration of the current landscape and future directions of adsorbent technology for water remediation, advocating for a multidisciplinary approach to overcome existing barriers in large-scale water treatment applications. 

Innovations and challenges in adsorption-based wastewater remediation: a comprehensive review.

Photocatalytic hydrogen evolution (PHE) via water splitting using semiconductor photocatalysts is an effective path to solve the current energy crisis and environmental pollution. Heterojunction photocatalysts, containing two or more semiconductors, exhibit better PHE rates than those with only one semiconductor owing to the altered band alignment at the interface and stronger driving force for charge separation. Traditional binary metal sulfide (BMS)-based heterojunction photocatalysts, such as CdS, MoS2 , and PbS, demonstrate excellent PHE performance. However, the recently developed multinary metal sulfide (MMS)-based photocatalysts possess favorable chemical stability, tunable band structure, and flexible element compositions, and have considerable potential to realize higher PHE rates than those of BMSs. In this review article, we first elucidate the mechanism of PHE and then systematically summarize various single and heterojunction MMS-based photocatalysts and their charge transfer behaviors and PHE performances. We conclude by offering a perspective on potential future research directions in this field. This article is protected by copyright. All rights reserved.

Heterojunction Engineering of Multinary Metal Sulfide-Based Photocatalysts for Efficient Photocatalytic Hydrogen Evolution.

Fabrication of 3D CuS@ZnIn2S4 Hierarchical Nanocages with 2D/2D Nanosheet Subunits p-n Heterojunctions for Improved Photocatalytic Hydrogen Evolution

Covalent organic framework (COF) aerogels have attracted significant interest due to their broad range of potential applications. However, synthesizing COF aerogels with tailored structures and robust mechanical stability remains a formidable challenge. In this work, we present a double-cross-linking strategy to prepare a series of compressible COF/chitosan (COF/CS) aerogels under mild conditions. By harnessing chemical cross-linking and physical interactions, such as electrostatic and hydrogen bonding, ionic COF powders containing sulfonic acid groups (i.e., TpPa-SO3H) are immobilized and connected with CS, forming a three-dimensional interconnected network. Impressively, the ratio of COF to CS and the size of the COF/CS aerogels can be easily controlled by adjusting the processing parameters. The resulting COF/CS aerogels possess a highly porous structure and low density, enabling the aerogels to self-float and facilitating practical applications and recycling. Due to these remarkable characteristics, TpPa-SO3H/CS aerogel demonstrates excellent adsorption capacity, effectively removing sulfamerazine from aqueous solutions with an adsorption capacity of 102.5 mg·g−1. Moreover, the aerogel can be reused in three adsorption–desorption cycles without significant capacity loss. This proposed method offers a facile, eco-friendly, and scalable approach for producing highly compressive COF-based aerogels, thereby accelerating the practical utilization of COFs and contributing to environmental remediation. 

Robust self-floating covalent organic framework/chitosan aerogels for the efficient removal of sulfamerazine

Non-noble-metal NiS promoted charge separation and photocatalytic hydrogen evolution for ZnCdS nano-islands on spherical SiO2

Developing an expandable ferric tannate/gallate polyurethane sponge evaporator for efficient solar desalination

Study on the Interactions of a Promising Cancer-Preventive Drug Ferulic Acid in Aqueous Ethanol/1-Propanol Solutions Using Volumetric, Viscometric, and Refractive Index Approaches

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