Results 41 to 50 of about 19,270 (146)

Carbonized Polymer Dots‐Based Spectrally Adaptable Photonic Microbarcodes

Advanced Optical Materials, EarlyView.
This study explores spectrally tunable photonics barcodes using carbonized polymer dots (CPDs) based on whispering gallery mode (WGM) photoluminescence. CPDs offer wavelength‐dependent emission from visible to near‐infrared (NIR), thereby enabling variable WGM emissions.
Barun Kumar Barman, Keisuke Watanabe, Tadaaki Nagao   +2 more
wiley   +1 more source

Coupled Optical Response of Armchair Graphene Nanoribbons and Single Wall Carbon Nanotube Hybrid Structures

Advanced Optical Materials, EarlyView.
A strong interaction between the five‐armchair graphene nanoribbons (GNRs) and the encapsulating single‐walled carbon nanotubes is identified. A reduction of the bandgap of the hybrid structure as well as additional proof for the single H‐terminations of the GNRs are confirmed through a combination of optical absorbance spectroscopy and density ...
Dido Denier van der Gon, Jorge Laranjeira, Valeria Milotti, Lukas W. Perner, Joselyn Benalcázar, Manuel Melle‐Franco, Thomas Pichler, Oliver H. Heckl, Paola Ayala   +8 more
wiley   +1 more source

Design of Double‐Sided Optical Coatings for Space Cooling Through Vertical Windows

Advanced Photonics Research, EarlyView.
Dual‐sided radiative cooling glass (DSRCG) utilizes the optical properties of epsilon‐near‐zero materials and ITO to exhibit directional emission toward the outdoor space, facilitating the heat dissipation of the glass, while exhibiting low emission toward the enclosure.
Hyunkyu Kwak, Do Hyeon Kim, Young Min Song   +2 more
wiley   +1 more source

Double‐Sided Control of Product Type Preference in the Visible‐Light Initiated Reaction of 1,3‐Dicarbonyl Compounds with Alkenes

Advanced Synthesis &Catalysis, EarlyView.
Abstract The demonstrated light‐initiated addition of radicals formed on an active methylene group to styrene derivatives exhibits a product selectivity influenced by the presence of a protic solvent. Under protic conditions, the predominant products are branched compounds with the alkene moiety attached to the methylene group.
Małgorzata Pałyga, Jan Rzepiela, Sebastian Baś   +2 more
wiley   +1 more source

Development of Photo‐Biocatalytic Redox System for Asymmetric Synthesis of Optically Active Amines Using Blue Light and Transaminases. A Case Study Toward Mavacamten

Advanced Synthesis &Catalysis, EarlyView.
Abstract α‐Chiral amines are versatile building blocks for the asymmetric synthesis of optically pure high‐added‐value chemicals, including pharmaceuticals, agrochemicals, and natural products. Herein, we report a one‐pot, two‐step sequential deracemization of racemic sec‐alcohols to optically enriched primary amines throught a photo‐biocatalytic ...
Natalia Antos, Aleksandra Rudzka, Anna Hoser, Tamara Reiter, Wolfgang Kroutil, Paweł Borowiecki   +5 more
wiley   +1 more source

Titania–Graphene Hybrids for Photocatalytic Applications: Exploring Relations between Hansen Solubility Parameters and Liquid‐Phase Pollutant Adsorption

Advanced Sustainable Systems, EarlyView.
Hansen solubility parameters are related with the adsorption behavior of pollutants on titania nanoparticles, enabling a comprehensive look into their interaction with particle surfaces. Abstract Pollutant degradation via titania photocatalysts holds significant potential.
Osama Anwar, Ahmed K. Al‐Kamal, Mohaned Hammad, Xiaofeng Xie, Jing Sun, Hartmut Wiggers, Doris Segets   +6 more
wiley   +1 more source

Carbon‐Cloth Supported ZnO Nanorods as Binder‐Free Zinc‐Ion Battery Anodes: An Investigation into the Electrode Formation Process

Advanced Sustainable Systems, EarlyView.
A freestanding ZnO nanorod array on carbon cloth (ZnO/CC) is synthesized via hydrothermal growth and studied during its electrochemical reduction to Zn. Advanced characterization techniques (SEM, HRTEM, and STXM) reveal the morphochemical evolution of ZnO nanorods, providing unprecedented insights into the ZnO‐to‐Zn conversion mechanism.
Elisa Emanuele, Alexander G. Agrios, Alessandro Alleva, Valentina Bonanni, Regina Ciancio, Alessandra Gianoncelli, Francesco Guzzi, George Kourousias, Andrea Li Bassi, Andrea Macrelli, Paolo Ronchese, Iram Sifat, Milan Žižić, Benedetto Bozzini   +13 more
wiley   +1 more source

Toward Sustainable Photocatalysis: Addressing Deactivation and Environmental Impact of Anodized and Sol–Gel Photocatalysts

Advanced Sustainable Systems, EarlyView.
A life‐cycle evaluation of TiO2 photocatalysts for water purification compares the effectiveness of Sol–Gel vs anodic oxides in tetracycline mineralization, targeting deactivation, regeneration, and environmental impact from a cradle‐to‐grave perspective.
Maria Vittoria Diamanti, Manjunath V. Shinnur, MariaPia Pedeferri, Anna Maria Ferrari, Roberto Rosa, Daniela Meroni   +5 more
wiley   +1 more source

Hard Carbon Derived from Spent Coffee Grounds for Applications in Sodium Ions Batteries

Advanced Sustainable Systems, EarlyView.
Spent coffee grounds are converted into hard carbon through a two‐stage pyrolysis process, increasing carbon content from 52 to 90%. The material exhibits graphitic domains and improved sodium storage properties, with stable performance at high currents. Full‐cell tests confirm its energy storage potential, highlighting a sustainable and cost‐effective
Nicolò Pianta, Domenico Antonio Florenzano, Roberto Lorenzi, Luciano Navarini, Carlo Santoro, Riccardo Ruffo   +5 more
wiley   +1 more source

Enhanced Oxygen Evolution Reaction Performance of Niobium–Cobalt Oxide Catalysts in Acidic and Alkaline Media

Advanced Sustainable Systems, EarlyView.
The electronic modulation of Nb‐doped Co3O4 catalyst showcases enhanced activity and extended stability for OER in both alkaline (1M KOH) and acidic (0.5M H2SO4) electrolytes. The higher activity emanated from the synergistic effect between the Nb5+ dopant and Co3O4.
Kassa Belay Ibrahim, G.P. Darshan, Gabriele Benetti, Pankaj Kumar, Enrique Rodríguez‐Castellón, Tofik Ahmed Shifa, Elisa Moretti, Alberto Vomiero   +7 more
wiley   +1 more source