Abstract
Electrically conductive cellulose-based hydrogels are prepared by a facile and environmentally friendly method, of which the electrical and mechanical properties can be easily controlled by varying the graphene loading. With an ultralow initial addition of graphene oxide (GO, 0.2 wt% versus the mass of cellulose), the resulting cellulose/reduced graphene oxide (CG0.2) hydrogel shows a significantly enhanced compressive modulus of 332.01 kPa, 54.8% higher than that of pure cellulose hydrogel. Further increasing the addition of GO to 2 wt% (versus the mass of cellulose), the electrical conductivity of the resultant CG2.0 hydrogel is as high as 7.3×10−3 S/m, 10,000-fold higher than that of pure cellulose hydrogel, and of which the mechanical properties are also enhanced. These cellulose-based hydrogels with controllable electrical and mechanical properties have a great potential for application in drug delivery and artificial muscle.
Dedicated to: Alexander Eychmüller on the occasion of his 60th birthday.
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©2018 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Preface
- Congratulations to Alexander Eychmüller
- Halogens in the Synthesis of Colloidal Semiconductor Nanocrystals
- Controlled Aqueous Synthesis of CdSe Quantum Dots using Double-Hydrophilic Block Copolymers as Stabilizers
- Fabrication of Ag2S/CdS Heterostructured Nanosheets via Self-Limited Cation Exchange
- Ion-Selective Ligands: How Colloidal Nano- and Micro-Particles Can Introduce New Functionalities
- TEM, FTIR and Electrochemistry Study: Desorption of PVP from Pt Nanocubes
- Incorporation of CdTe Nanocrystals into Metal Oxide Matrices Towards Inorganic Nanocomposite Materials
- Diatoms – A “Green” Way to Biosynthesize Gold-Silica Nanocomposites?
- Evidence for Photo-Switchable Carrier Mobilities in Blends of PbS Nanocrystals and Photochromic Dithienylcyclopentene Derivatives
- Gelation-Assisted Layer-by-Layer Deposition of High Performance Nanocomposites
- Enhancement of the Fluorescence Quantum Yield of Thiol-Stabilized CdTe Quantum Dots Through Surface Passivation with Sodium Chloride and Bicarbonate
- Fluorescence Quenching of CdTe Quantum Dots with Co (III) Complexes via Electrostatic Assembly Formation
- Colloidal Photoluminescent Refractive Index Nanosensor Using Plasmonic Effects
- Towards Low-Toxic Colloidal Quantum Dots
- Color-Enrichment Semiconductor Nanocrystals for Biorhythm-Friendly Backlighting
- Transient Absorption Studies on Nanostructured Materials and Composites: Towards the Development of New Photocatalytic Systems
- Transient Spectroscopy of Glass-Embedded Perovskite Quantum Dots: Novel Structures in an Old Wrapping
- Energy Transfer Between Single Semiconductor Quantum Dots and Organic Dye Molecules
- Chemical Routes to Surface Enhanced Infrared Absorption (SEIRA) Substrates
- Plasmonic Cu/CuCl/Cu2S/Ag and Cu/CuCl/Cu2S/Au Supports with Peroxidase-Like Activity: Insights from Surface Enhanced Raman Spectroscopy
- n-Type Cu2O/α-Fe2O3 Heterojunctions by Electrochemical Deposition: Tuning of Cu2O Thickness for Maximum Photoelectrochemical Performance
- The Photoelectrochemistry of Assemblies of Semiconductor Nanoparticles at Interfaces
- Surface-Charge Dependent Orientation of Water at the Interface of a Gold Electrode: A Cluster Study
- Single Particle Spectroscopy of Radiative Processes in Colloid-to-Film-Coupled Nanoantennas
- Coupled Plasmon Resonances and Gap Modes in Laterally Assembled Gold Nanorod Arrays
- Anisotropy of Structure and Optical Properties of Self-Assembled and Oriented Colloidal CdSe Nanoplatelets
- Simple Electroless Synthesis of Cobalt Nanoparticle Chains, Oriented by Externally Applied Magnetic Fields
- Functionalization of Graphene Aerogels and their Applications in Energy Storage and Conversion
- Macroscopic Aerogels with Retained Nanoscopic Plasmonic Properties
- Application of Aqueous-Based Covalent Crosslinking Strategies to the Formation of Metal Chalcogenide Gels and Aerogels
- Cellulose-Based Hydrogels with Controllable Electrical and Mechanical Properties
- Naphthalenetetracarboxylic Diimide Derivatives: Molecular Structure, Thin Film Properties and Solar Cell Applications
- Metal-Phenolic Encapsulated Mesoporous Silica Nanoparticles for pH-Responsive Drug Delivery and Magnetic Resonance Imaging
- Extraction of K2CO3 from Low Concentration [K+] Solutions with the Aid of CO2: A Study on the Metastable Phase Equilibrium of K2CO3-Na2CO3-H2O Ternary System
Artikel in diesem Heft
- Frontmatter
- Preface
- Congratulations to Alexander Eychmüller
- Halogens in the Synthesis of Colloidal Semiconductor Nanocrystals
- Controlled Aqueous Synthesis of CdSe Quantum Dots using Double-Hydrophilic Block Copolymers as Stabilizers
- Fabrication of Ag2S/CdS Heterostructured Nanosheets via Self-Limited Cation Exchange
- Ion-Selective Ligands: How Colloidal Nano- and Micro-Particles Can Introduce New Functionalities
- TEM, FTIR and Electrochemistry Study: Desorption of PVP from Pt Nanocubes
- Incorporation of CdTe Nanocrystals into Metal Oxide Matrices Towards Inorganic Nanocomposite Materials
- Diatoms – A “Green” Way to Biosynthesize Gold-Silica Nanocomposites?
- Evidence for Photo-Switchable Carrier Mobilities in Blends of PbS Nanocrystals and Photochromic Dithienylcyclopentene Derivatives
- Gelation-Assisted Layer-by-Layer Deposition of High Performance Nanocomposites
- Enhancement of the Fluorescence Quantum Yield of Thiol-Stabilized CdTe Quantum Dots Through Surface Passivation with Sodium Chloride and Bicarbonate
- Fluorescence Quenching of CdTe Quantum Dots with Co (III) Complexes via Electrostatic Assembly Formation
- Colloidal Photoluminescent Refractive Index Nanosensor Using Plasmonic Effects
- Towards Low-Toxic Colloidal Quantum Dots
- Color-Enrichment Semiconductor Nanocrystals for Biorhythm-Friendly Backlighting
- Transient Absorption Studies on Nanostructured Materials and Composites: Towards the Development of New Photocatalytic Systems
- Transient Spectroscopy of Glass-Embedded Perovskite Quantum Dots: Novel Structures in an Old Wrapping
- Energy Transfer Between Single Semiconductor Quantum Dots and Organic Dye Molecules
- Chemical Routes to Surface Enhanced Infrared Absorption (SEIRA) Substrates
- Plasmonic Cu/CuCl/Cu2S/Ag and Cu/CuCl/Cu2S/Au Supports with Peroxidase-Like Activity: Insights from Surface Enhanced Raman Spectroscopy
- n-Type Cu2O/α-Fe2O3 Heterojunctions by Electrochemical Deposition: Tuning of Cu2O Thickness for Maximum Photoelectrochemical Performance
- The Photoelectrochemistry of Assemblies of Semiconductor Nanoparticles at Interfaces
- Surface-Charge Dependent Orientation of Water at the Interface of a Gold Electrode: A Cluster Study
- Single Particle Spectroscopy of Radiative Processes in Colloid-to-Film-Coupled Nanoantennas
- Coupled Plasmon Resonances and Gap Modes in Laterally Assembled Gold Nanorod Arrays
- Anisotropy of Structure and Optical Properties of Self-Assembled and Oriented Colloidal CdSe Nanoplatelets
- Simple Electroless Synthesis of Cobalt Nanoparticle Chains, Oriented by Externally Applied Magnetic Fields
- Functionalization of Graphene Aerogels and their Applications in Energy Storage and Conversion
- Macroscopic Aerogels with Retained Nanoscopic Plasmonic Properties
- Application of Aqueous-Based Covalent Crosslinking Strategies to the Formation of Metal Chalcogenide Gels and Aerogels
- Cellulose-Based Hydrogels with Controllable Electrical and Mechanical Properties
- Naphthalenetetracarboxylic Diimide Derivatives: Molecular Structure, Thin Film Properties and Solar Cell Applications
- Metal-Phenolic Encapsulated Mesoporous Silica Nanoparticles for pH-Responsive Drug Delivery and Magnetic Resonance Imaging
- Extraction of K2CO3 from Low Concentration [K+] Solutions with the Aid of CO2: A Study on the Metastable Phase Equilibrium of K2CO3-Na2CO3-H2O Ternary System