MXene, a new series of 2D material, has been steadily advancing its applications to variety fields, such as catalysis, supercapacitor, molecular separation, electromagnetic wave interference shielding. This work reports carefully designed aqueous droplet light heating system along with thorough mathematical procedure, which combined leads precise determination internal light-to-heat conversion efficiency nanomaterials. The more specifically Ti3C2, was measured be 100%, indicating perfect...

The energy shortage and clean water scarcity are two key challenges for global sustainable development. Near half of the total withdrawals is consumed by power generation plants while desalination consumes lots electricity. Here, we demonstrate a photovoltaics-membrane distillation (PV-MD) device that can stably produce (>1.64 kg·m-2·h-1) from seawater simultaneously having uncompromised electricity performance (>11%) under one Sun irradiation. Its high production rate realized constructing...

The Earth's atmosphere holds approximately 12 900 billion tons of fresh water distributed all over the world with fast replenishment. Atmospheric harvesting is emerging as a promising strategy for clean production in arid regions, land-locked areas, and remote communities. vapor sorbent key component atmospheric devices based on absorbing-releasing process. In this work, flexible hybrid photothermal composed deliquescent salt hydrogel was rationally fabricated. It possesses superior sorption...

A sustainable supply of clean water is essential for the development modern society, which has become increasingly dependent on desalination technology since 96.5% Earth salt water. Thousands plants are producing massive waste brine as byproduct, and direct discharge raises serious concerns about its ecological impact. The concept zero liquid (ZLD) regarded solution, but current ZLD technologies hampered by their intensive use energy high cost. In this work, a 3D cup shaped solar evaporator...

A bi-layered photothermal material based on reduced graphene oxide film with nonporous polystyrene foam as substrate for solar-driven interfacial water evaporation.

Abstract Proper disposal of industrial brine has been a critical environmental challenge. Zero liquid discharge (ZLD) treatment holds great promise to the disposal, but its application is limited by intensive energy consumption crystallization process. Here we propose new strategy that employs an advanced solar crystallizer coupled with salt inhibitor eliminate highly concentrated waste brine. The rationally designed exhibited high water evaporation rate 2.42 kg m −2 h −1 under one sun...

Encapsulating carbon black into a nylon 6 matrix makes robust photothermal cloth for highly efficient solar vapor generation.

The application of solar-driven water evaporation process in clean production via solar distillation is recently intensively investigated. phase change and mass transfer processes during the can directly leave behind salts, heavy metals, organic dyes, etc simultaneously produce vapor. However, if source contaminated by volatile compounds (VOCs), may accelerate VOCs enrich them condensate. In this work, enrichment distillate was first demonstrated a multi-functional honeycomb ceramic plate...

Atmospheric water is an abundant alternative resource, equivalent to 6 times the in all rivers on Earth. This work screens 14 common anhydrous and hydrated salt couples terms of their physical chemical stability, vapor harvesting, release capacity under relevant application scenarios. Among salts screened, copper chloride (CuCl2), sulfate (CuSO4), magnesium (MgSO4) distinguish themselves are further made into bilayer collection devices, with top layer being photothermal layer, while bottom...

Photothermal material-assisted solar-driven heavy oil removal is promising for highly viscous oil-spill cleanup.

Abstract Here, a simple and efficient preparation of NiCoO 2 nanoparticle modified nanoporous bismuth vanadate (BiVO 4 ) thin film its application in photoelectrocatalytic (PEC) oxygen evolution reaction (OER) is demonstrated. The role the composite electrode /NiCoO twofold: OER cocatalyst band structure modifier. It improves surface kinetics for PEC enhances charge separation efficiency simultaneously, which believed to be determining factor unprecedentedly high performance this BiVO...

In this article, we report that the combination of microwave heating and ethylene glycol, a mild reducing agent, can induce Ti(3+) self-doping in TiO2. A hierarchical TiO2 nanotube array with top layer serving as photonic crystals (TiO2 NTPCs) was selected base photoelectrode. The self-doped NTPCs demonstrated 10-fold increase visible-light photocurrent density compared to nondoped one, optimized saturation under simulated AM 1.5G illumination identified be 2.5 mA cm(-2) at 1.23 V versus...

Hybrid nanostructures integrating electroactive materials with functional species, such as metal-organic frameworks, covalent organic graphdiyne etc., are of significance for both fundamental research and energy conversion/storage applications. Here, hierarchical triple-layered nanotube arrays, which consist hydrogen-substituted frameworks seamlessly sandwiched between an outer layer nickel-cobalt co-doped molybdenum disulfide nanosheets inner mixed cobalt sulfide nickel (Co9S8/Ni3S2),...

Ultra-small nanoparticles (USNPs) of noble metals have a great potential in variety applications due to their high surface areas and reactivity. This work employed electrochemically active biofilms (EABs) composed single bacterium strain Shewanella loihica PV-4 successfully synthesized USNPs metal Au, Pd, Pt. The had size range between 2 7 nm exhibited excellent catalytic performance dye decomposition. results this shine light on the use EABs nanoparticle synthesis.

A relatively inexpensive commercially available RO membrane was shown to be useful for direct seawater H₂ generation as the can selectively transport protons and hydroxide ions over other salt ions, keep inert anolyte contained avoid chlorine gas evolution.

Hierarchical nanocomposites, which integrate electroactive materials into carbonaceous species, are significant in addressing the structural stability and electrical conductivity of electrode post-lithium-ion batteries. Herein, a hierarchical nanocapsule that encapsulates Cu-doped MoS2 (Cu-MoS2) nanopetals with inner added skeletons an organic-carbon-rich nanotube hydrogen-substituted graphdiyne (HsGDY) has been developed for rechargeable magnesium batteries (RMB). Notably, both...

Maintaining human thermal comfort in the cold outdoors is crucial for diverse outdoor activities, e.g., sports and recreation, healthcare, special occupations. To date, advanced clothes are employed to collect solar energy as a heat source stand climates, while their dull dark photothermal coating may hinder pragmatism environments visual sense considering fashion. Herein, tailor-made white webs with strong effect proposed. With embedding of cesium-tungsten bronze (Csx WO3 ) nanoparticles...

Capacitive deionization (CDI) is a typical configuration of electrochemical deionization, which suffers from severe desalination capacity degradation derived uncontrolled parasitic reactions. In this work, Faradaic rectification, the phenomenon by electrode potentials and side reactions are dynamically regulated due to asymmetrical anode/cathode reactions, was studied under various CDI operation conditions. It found that rectification in would lead indirectly accelerating carbon anode...

Abstract The design and fabrication of efficient photothermal materials is the key issue in solar‐driven water evaporation. In this work, a robust CuCr 2 O 4 /SiO composite membrane with outstanding evaporation performance (1.32 kg m −2 h −1 ) under one sun irradiation rationally designed synthesized by using quartz glass fibrous as supporting matrix stable particles active light absorber. Instead coating separate layer on top support, are evenly distributed inside matrix, which endows great...

Saline water represents an inexhaustible source of for hydrogen production from electrolysis.

With the water and energy crises becoming critical issues for an increasingly industrialized society, solar‐driven purification technologies are highly desired both potable production wastewater treatment. Herein, performance of integrated photocatalytic photothermal composite, TiO 2 /Au‐carbon nanotube (TiO /Au‐CNT)‐coated SiC ceramic plate, in complex contaminated treatment driven by solar is investigated. The short‐wavelength part spectrum used simultaneous photo‐oxidation rhodamine B...