ISSN (online): 1996-1944
Call of the Journal:
- Advanced Carbon Materials in Water Treatment or Separations Technology
- Advanced Functional Hybrid Materials for Novel Biomolecular Electronics
- Advances in Biomaterials | Design, Synthesis, Characterisation and Biomedical Application
- Advances in Construction and Building Materials
- Advances in Green Construction Materials
- Assessment of Metallurgical and Mechanical Properties of Welded Joints via Numerical Simulation and Experiments
- Carbon Compounds-Reinforced Ceramics
- Concrete and Waterproofing Materials | Development of Waterproofing Technology for Buildings and Civil Concrete Structures
- Corrosion Inhibitors for Steel | Experimental and Theoretical Studies
- Damage and Failure of Polymers, Polymer-Like Materials, Adhesives and Polymer Nanocomposites
- Development of Energy Storage or Conversion Element Based on Various Nano Materials
- Dyes | Synthesis, Properties, and Applications
- Dynamic Behavior of Ceramic Composites
- Flexible Sensors and Actuators for Novel Wearable Solutions
- Fundamentals and Applications of Bionano Sensor Techniques
- Graphene Foam Based Composites
- Growth and Application of Foam-Based Materials
- High Performance Concrete
- Hybrid Noble Metal/Graphene Aerogels | Synthesis, Characterization and Applications for Chemical Sensing and Biosensing
- Hydrogen Storage and Fuel Cells | Materials, Characterization and Applications
- Load Test and Numerical Analysis on Construction Materials
- Machining and Surface Properties of Steel Parts
- Materials under Extreme Conditions | Technologies for CRMs Reduction, Substitution and Recovery
- Microplastics and Nanoplastics | From Resource to Pollution
- Mineral-Bonded Composites for Enhanced Structural Impact Safety
- Modification and Processing of Biodegradable Polymers
- Nanostructured Semiconductors for Photoinduced Applications
- Novel Inorganic Adsorbents for Environmental Purification
- Numerical Simulation and Experimental Studies of Wave Phenomena in Composite Materials
- Performance Research of Polyurethane Foams and Composites
- Physics, Electrical and Structural Properties of Dielectric Layers
- Precision and Ultra-Precision Subtractive and Additive Manufacturing Processes of Alloys and Steels
- Processing and Thermal Properties of Hybrid Composites
- Recent Advances in 3D Printing for Biomaterials
- Recent Progress in the Development, Material Properties, and Post-Processing of Additively Manufactured Components
- Silica and Silica-based Materials for Biotechnology, Polymer Composites and Environmental Protection
- Study on the Modification and Compressive Properties of Concrete Buildings Materials
- Superconductors for Opto-Nano and Micro-Electro-Mechanical Systems (O-N/MEMS)
- Synthesis and Characterization of Hybrid Nanomaterials and Nanocomposites
- Synthesis, Properties and Applications of Polymer Blends
- Testing of Materials and Elements in Civil Engineering
- The Science and Technology of 3D Printing
Jan
2021
Feb
2021
Graphene aerogels, compared to other carbon based aerogels, are produced by cost-effective processes (for example, by starting with graphene oxide that can be easily obtained from graphite). They are low-density materials with a large surface-to-volume ratio, and show a functional porous nanostructured network that imparts high sorption properties of several species from liquid or gaseous media to the matrix, like a sponge. At the same time, they retain the various intrinsic properties of graphene, such as high mechanical strength, electrical conductivity, thermal resistance, and peculiar optical features. The introduction of noble metal-based (nano)structures into the aerogel matrix abruptly expands the variety of applications. Thus, hybrid aerogels are good candidates for chemical sensing and biosensing because they exploit several signal transduction principles. In fact, the resulting heterogeneity of the substrate surface chemistry offers different routes towards specific functionalization or adsorption, such as oxygen-containing terminations, graphene plane π-π interactions, and noble metals’ (Au, Ag, etc.) chemical affinity for thiol-compounds. Moreover, the presence of the noble metals ameliorates the performance of the aerogel, as electrode materials in electrochemical/electrical sensing or as substrates for optical sensing. As a representative example, Surface Enhanced Raman Scattering (SERS)-based sensing can yield the combination of the plasmonic features of the metallic structures and the graphene properties of the Raman signal enhancement via a chemical mechanism (CM) that occurs via charge transfer (CT) between graphene and the adsorbed species. This Special Issue focuses on the above described frame, in terms of synthesis processes, hybrid aerogels structural, morphological characterization, and sensing applications, ranging from pollutant detection and toxin sensing (e.g., in food monitoring) to biomedical applications aimed to identify/quantify biomolecules (e.g., oligonucleotides, proteins, and enzymes) by means of optical and electrical techniques.
Keywords: synthesis and characterization of graphene-based aerogels; silver and gold nanoparticles; adsorption; absorption; functionalization; chemical sensing; biosensing; optical detection; electrical/electrochemical detection.
Hybrid Noble Metal/Graphene Aerogels | Synthesis, Characterization and Applications for Chemical Sensing and Biosensing
Graphene aerogels, compared to other carbon based aerogels, are produced by cost-effective processes (for example, by starting with graphene oxide that can be easily obtained from graphite). They are low-density materials with a large surface-to-volume ratio, and show a functional porous nanostructured network that imparts high sorption properties of several species from liquid or gaseous media to the matrix, like a sponge. At the same time, they retain the various intrinsic properties of graphene, such as high mechanical strength, electrical conductivity, thermal resistance, and peculiar optical features. The introduction of noble metal-based (nano)structures into the aerogel matrix abruptly expands the variety of applications. Thus, hybrid aerogels are good candidates for chemical sensing and biosensing because they exploit several signal transduction principles. In fact, the resulting heterogeneity of the substrate surface chemistry offers different routes towards specific functionalization or adsorption, such as oxygen-containing terminations, graphene plane π-π interactions, and noble metals’ (Au, Ag, etc.) chemical affinity for thiol-compounds. Moreover, the presence of the noble metals ameliorates the performance of the aerogel, as electrode materials in electrochemical/electrical sensing or as substrates for optical sensing. As a representative example, Surface Enhanced Raman Scattering (SERS)-based sensing can yield the combination of the plasmonic features of the metallic structures and the graphene properties of the Raman signal enhancement via a chemical mechanism (CM) that occurs via charge transfer (CT) between graphene and the adsorbed species. This Special Issue focuses on the above described frame, in terms of synthesis processes, hybrid aerogels structural, morphological characterization, and sensing applications, ranging from pollutant detection and toxin sensing (e.g., in food monitoring) to biomedical applications aimed to identify/quantify biomolecules (e.g., oligonucleotides, proteins, and enzymes) by means of optical and electrical techniques.
Keywords: synthesis and characterization of graphene-based aerogels; silver and gold nanoparticles; adsorption; absorption; functionalization; chemical sensing; biosensing; optical detection; electrical/electrochemical detection.
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Info at: www.mdpi.com/journal/materials/apc
Guest Editor
Dr. Paola Rivolo