Economía Circular

Economía Circular

Organic Hole Transport Layers for Efficient, Stable and Scalable Inverted Perovskite Solar Cells
30/06/2022 - Hole transporting layers (HTLs) are an essential component in inverted, p?i?n perovskite solar cells (PSCs) where they play a decisive role in extraction and transport of holes, surface passivation,...
Smart construction of MnCo2O4 microspheres with multiple interiors: Morphological evolution and structure-performance relationship for supercapacitor electrodes
- The development of a simple and general approach for manufacturing complex hollow structures is essential to achieve rapid dynamic response and high energy density storage for supercapacitor...
Multifunctional cellulose fibers: Intense red upconversion under 1532 nm excitation and temperature-sensing properties
- The unique properties of upconverting nanoparticles are responsible for their various applications in photonic materials, medicine, analytics, or energy conversion. In this work, the...
Xylooligosaccharide-mediated gut microbiota enhances gut barrier and modulates gut immunity associated with alterations of biological processes in a pig model
- Xylooligosaccharide (XOS) has tremendous prebiotic potentials for gut health, but the relevant mechanisms are unclear. Herein, we confirmed the positive effects of dietary XOS enhancing gut...
Re-carbon, up-carbon, de-carbon: Plasma-electrified roll-to-roll cleaner production of vertical graphenes and syngas from greenhouse gas mixes
01/09/2022 - Conversion of CO2 and CH4 greenhouse gases (GHGs) into high-value products using cleaner, sustainable, and renewable-energy-electrified processes is a critical step towards the ultimate...
Cerium Oxide Nanoparticles Biosynthesized Using Fresh Green Walnut Shell in Microwave Environment and their Anticancer Effect on Breast Cancer Cells
30/06/2022 - : In this study, cerium oxide nanoparticles (CONPs) were synthesized using fresh green walnut shell extract in microwave environment. The morphology and structure of the CONPs were determined using...
Synthesis and Characterization of A Stable Extra?Large?Pore Zeolite with 15×12×12 Member?Ring Channels
30/06/2022 - Extra?large?pore germanosilicate zeolite NUD?13 is synthesized by using an easily obtained 1,2?dimethyl?3?propyl?benzimidazolium as organic structure?directing agents, which possesses a rare...
Synthesis and Biological Evaluation of Water?Soluble Esterase?Activated CO?Releasing Molecules Targeting Mitochondria
30/06/2022 - Due to the beneficial effects of carbon monoxide (CO) as a cell?protective and anti?inflammatory agent, CO?releasing molecules (CORMs) offer promising potential applications in medicine. We...
Photoluminescence Quenching in CsPbCl3 upon Fe Doping: Colloidal Synthesis, Structural and Optical Properties
30/06/2022 - Fe2+ is introduced in CsPbCl3 lattice via colloidal synthesis, which stabilizes in the cubic phase of the pristine perovskite. By using a non?ionic precursor to introduce Fe, the effect of Fe levels...
Antibacterial mechanism of biogenic calcium oxide and antibacterial activity of calcium oxide/polypropylene composites
- In this study, biogenic calcium oxide (CaO) was developed as a natural antibacterial agent. After the thermal treatment of waste scallop shell powder, a CaO antibacterial agent was obtained. In...
Fluoropolymer-based hybrid superhydrophobic nanocomposite coating with antifouling and self-cleaning properties for efficient oil/water separation
- The production of industrial and domestic effluents possessing oily contaminated water has become a global concern as a result of environmental contamination and pollution. Newly synthesized...
Advanced microstructural characterization of transgranular Pb-caustic SCC in Alloy 690TT
15/08/2022 - Alloy 690TT was tested at 340 °C in mildly caustic environments containing lead (Pb) to investigate the transgranular cracking mechanism of Pb-induced stress corrosion cracking (PbSCC). Advanced...
Research on cohesive failure behavior and parameter sensitivity of rubber – SET under cohesive zone model
01/10/2022 - Solid expandable tubular (SET) technology is widely used in oil field. The cohesive failure of rubber reduces the suspension and sealing capacity of SET. Based on cohesive failure behavior between...
Comparative study of neonicotinoid insecticides (NNIs) and NNI-Related substances (r-NNIs) in foodstuffs and indoor dust
01/08/2022 - Comparative studies of neonicotinoid insecticides (NNIs) and NNI-related substances (r-NNIs) in foodstuffs and indoor dust are rare. Herein, we investigated the feature fragmentations of nine NNIs...
Toxic effects of pristine and aged polystyrene microplastics on selective and continuous larval culture of acorn barnacle Amphibalanus amphitrite.
01/08/2022 - This study evaluates the toxicity of pristine (Unwashed) and aged, clean (Biofilm-) or fouled (Biofilm+), PS microspheres (3 µm,10 µm), using Washed particles as a reference material, on...
Carbon fiber damage evolution under flame attack and the role of impurities
29/06/2022 - Carbon fibers (CFs) are prone to extensive oxidation under fire attack, for instance, in an aircraft fire scenario. This work addresses the damage mechanisms observed on polyacrylonitrile (PAN)?based...
In-situ polymerization of silica/polyethylene using bisupported Ziegler-Natta catalyst of nanosilica/BOM/TiCl4/TEAL: Study of thermo-mechanical properties system
- The physical and chemical properties of silica-supported Ziegler-Natta catalysts industrially important for polyethylene/silica production. Polyethylene (PE)/silica nanocomposites were prepared...
Synergistic effect of NiS/g-C3N4 nanocomposite for high?performance asymmetric supercapacitors
- Fabricating a new electrode material with high capacitive aspects is critical to improving a high-performance energy storage device. The transition metal sulfide-based nanocomposite electrode...
Environmental evaluation of hydrogen production employing innovative chemical looping technologies – A Romanian case study
- A cradle-to-gate life cycle assessment is carried out to evaluate the environmental impact of producing 1 kg of hydrogen implementing innovative chemical looping technologies: chemical looping...
Development of three-dimensional model for the analysis of the mass transport in vanadium redox flow batteries
- It is practical to equip the renewable energy system with the vanadium redox flow battery (VRFB) to improve energy utilization efficiency. A steady-stated, three-dimensional model is developed to...
Enhanced photocatalytic activity in water splitting for hydrogen generation by using TiO2 coated carbon fiber with high reusability
- In this study, TiO2 coated carbon fiber (TiO2@CF) was synthesized and used for the improvement of hydrogen (H2) evolution. Obtained results from scanning electron microscopy (SEM), X-ray...