Molecular-Level In-Situ Interfacial Structure Analysis System

• 详细介绍
• 详细参数

• 详细介绍

  Product Advantages
  Highly Interface-Selective: Selectively responds to surface and interfacial regions based on nonlinear optical principles, effectively reducing interference from bulk material signals.
  Molecular-Level Structural Analysis: Provides not only interfacial vibrational information but also molecular orientation, molecular ordering, and interfacial chemical environment information.
  Nanometer-Scale Probing Depth: Provides a typical probing depth of approximately 1–2 molecular layers, or around 1 nm, enabling direct investigation of the critical outermost molecular layers of materials.
  In-Situ Interface Research: Supports in-situ analysis of air/solid, air/liquid, solid/liquid, and liquid/liquid interfaces under realistic experimental conditions.
  Broadband and Fast Detection: Combines broadband spectral acquisition with heterodyne detection to rapidly obtain interfacial molecular vibrational information across a broad spectral region.
  Quantitative Molecular Orientation Analysis: Different polarization configurations and theoretical models can be used to obtain detailed information on molecular orientation and interfacial structure.
  Correlation Between Interfacial Structure and Performance: Analysis of changes in interfacial molecular structures enables researchers to investigate their relationships with material properties, reaction activity, and functional performance.
  Main Features
  Surface and Interface-Selective Detection: Utilizes the nonlinear optical selection rules of vibrational sum-frequency generation to provide inherent selectivity toward surface and interfacial regions.
  Bulk Signal Suppression: For centrosymmetric bulk materials, the second-order nonlinear signal is theoretically zero, fundamentally reducing interference from bulk signals.
  Interfacial Molecular Vibrational Information: Identifies interfacial molecules and provides information on their chemical bonds and local chemical environments through characteristic vibrational peaks.
  Molecular Orientation Analysis: Enables investigation of the orientation, orientation angle, and degree of ordering of molecules at interfaces.
  Heterodyne Detection: Uses heterodyne detection to obtain nonlinear optical responses from interfaces while enhancing the capability for quantitative signal analysis.
  Direct Measurement of the Imaginary Nonlinear Response: Provides direct access to the imaginary component of the nonlinear response, facilitating vibrational assignment and molecular structural analysis.
  Multiple Polarization Configurations: Supports multiple polarization combinations for distinguishing different molecular orientations and interfacial structures.
  Broad Spectral Coverage: Covers approximately 1000–3900 cm⁻¹, supporting a wide range of interfacial molecular studies.
  Spatial Scanning Analysis: Supports line scanning and an optional motorized XY scanning stage for investigating the spatial distribution of interfacial molecular structures.
  Automated Operation: Optional automated measurement, self-alignment, and motorized control functions are available to simplify operation of the advanced optical system.
  
  Application Areas
  Advanced Materials and Coatings: Investigation of molecular structures and orientations on polymer surfaces, functional coatings, adhesive interfaces, and surface-treated materials.
  Semiconductors and Electronic Materials: Analysis of molecular structures, orientations, and chemical states in self-assembled monolayers, gate dielectrics, and other critical interfaces.
  Energy Materials: Investigation of electrode/electrolyte interfaces and interfacial reactions in batteries, fuel cells, and solar cells.
  Surface Treatment and Interface Modification: Characterization of changes in functional groups and molecular structures induced by plasma treatment, chemical modification, and other surface-processing technologies.
  Biological and Biomedical Research: Investigation of molecular structures and orientations in lipid bilayers, protein adsorption, biomolecular assemblies, and other biological interfaces.
  Interface Engineering and Adhesion: Analysis of molecular ordering, orientation, and chemical bonding states during the formation of interfaces between different materials.
  Interfacial Reaction Studies: In-situ observation of changes in interfacial molecular structures during reactions, adsorption, and environmental changes.
  Materials Failure Analysis: Comparison of interfacial molecular structures under different materials and processing conditions to investigate relationships between interface states and material performance.
  

• 详细参数

  Technical Specifications
  Product Type: High-Definition Broadband Vibrational Sum-Frequency Generation Interfacial Analysis System.
  System Model: Apollo High-Definition Vibrational Sum-Frequency Generation System.
  Spectral Range: Approximately 1000–3900 cm⁻¹.
  Spectral Resolution: Approximately 20 cm⁻¹ standard, with approximately 10 cm⁻¹ available as an option.
  Single-Acquisition Spectral Range: Approximately 80–200 cm⁻¹, depending on the spectral region.
  Interfacial Probing Depth: Typically approximately 1–2 molecular layers, or around 1 nm.
  Measurement Geometry: Top-side and reflection measurements.
  Supported Interface Types: Air/solid, air/liquid, solid/liquid, and liquid/liquid interfaces.
  Polarization Configurations: Multiple polarization combinations are supported according to the specific research requirements.
  Spot Size: Approximately 300 μm.
  Line-Scanning Range: Up to approximately 20 mm, with an optional motorized XY scanning stage.
  Sample Size: Approximately 30 mm × 30 mm, with a maximum sample height of approximately 10 mm.
  Laser System: Ultrafast pulsed laser system used as the primary excitation source.
  Typical Laser Parameters: Approximately 6 W output power, approximately 250 fs pulse duration, 1035 nm central wavelength, and 10 kHz–1 MHz repetition rate.
  Broadband Infrared Generation Module: Tunable broadband infrared generation module.
  Optical Table Size: Approximately 3000 mm × 1500 mm.
  Operating Temperature: 15–30 °C.
  Power Requirements: 100 V AC / 12 A to 240 V AC / 5 A.
  Rated Power: Approximately 3000 W.

• 产品特色

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• 详细介绍

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