Abstract
Highly crystalline vertically aligned Ag2S/CdS heterostructured nanosheets with lateral sizes of several micrometers and thicknesses of a few nanometers are prepared directly on silver surfaces by a two-step process. Firstly, Ag2S sheets were prepared by direct reaction of partially dissolved elementary sulfur in methanol with a solid silver surface in methanol at room temperature. The second step involves a self-limited cation exchange of Ag+ vs. Cd2+ to achieve the formation of large-area Ag2S/CdS heteronanosheets on the solid substrate. The cation exchange was proven and investigated over time via several analytical methods, e.g. X-ray diffraction, Raman spectroscopy and three-dimensional photoluminescence mapping.
Acknowledgement
The authors would like to acknowledge Almut Barck for XRD measurements and Philip Harder and Marina Mutas for technical support.
References
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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