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HOME > 제품소개 > 물성측정장비  
 

제품명 :

XNano


제조사 :

Insplorion (스웨덴)




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xnano_ii_lg2.jpg

The Insplorion XNano II is a very flexible measurement cell, which can be used for both gas- and liquid phase measurements. The XNano provides the customer with a versatile system, which makes all the exciting possibilities of the Insplorion NPS technology easily accessible.
  
In short the Insplorion XNano II system offers the following:
 
·          - measure in liquid or gas environment
·         - temperature range ambient to 80 C using integrated temp control
·         - monitor processes in/on nanoparticles and thin films in situ and in real time
·         - flexible choice of sample material structure and properties
·         - flexible choice of substrate material and surface chemistry
·         - User-friendly software
 
 
 
 
 
 
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The Insplorion X1 instrument provides the opportunity to study processes in/on nanomaterials and thin films in situ and in real-time under practically relevant temperature and pressure conditions.
 
The X1 measures structural and/or dielectric changes of virtually any nanomaterial or thin film, dielectric as well as metallic, as induced e.g. by gas composition or temperature variations. 
 
The Insplorion X1 instrument includes everything needed to quickly get you started and produce high quality data. The instrument has two sample positions allowing two parallel measurements to be conducted. Our product offer includes all hardware, software, support and initial training to get you started and comfortable with interpreting your obtained results.
 
Insplorion X1 uses remote optical readout wherefore only the sensor chip, and not the sensitive optical equipment, needs to be placed inside the reaction chamber. X1 can therefore operate at high temperatures (up to 600°C) and normal pressures (atmospheric) and still retain high resolution and flexibility. Extensions to higher/lower temperatures and pressures are possible. Please contact us for further information.
 
 
 
 
 

Sensor chips

Insplorion’s sensor chips feature the unique NPS nanoarchitecture, which guarantees excellent performance at temperatures up to 600°C and in challenging chemical environments. 
Insplorion’s sensor chips are available with standard coatings of SiO2, Al2O3 or TiO2. Other materials are available on request. When you receive your sensor chips, you deposit the nanomaterial or thin film that you would like to study and you are ready to start your experiments. Alternatively, sensor chips without a spacer layer coating are available to you who would like to fabricate your own tailor-made surfaces prior to depositing your sample nanomaterial.
sensors_pile.jpg

 
 
 
 
 
 
 
 
 
 
 
Nanoplasmonic Sensing
 
Insplorion has taken the general concept of LSPR-based sensing and made it applicable to a wide range of research areas through its novel technology Nanoplasmonic Sensing (NPS). The first section below contains a detailed description of the NPS sensor chip technology and functionality while in the second section the NPS measurement principle exploited in Insplorion’s research instruments is described.

NPS-chip Nanoarchitecture and Functionality

Nanoplasmonic Sensing in general exploits metallic nanoparticles, usually Ag or Au, as local sensing elements, which offer a combination of unique properties; including ultrahigh sensitivity, small sample amount/volume (due to the tininess of the “sensor”, i.e. a nanoparticle typically in the 50 – 100 nm size range) and capability for fast, real-time (millisecond time resolution) remote readout.
chip genomskärningIn Insplorion’s patent applied Nanoplasmonic Sensing (NPS) technology the sensing is realized through nanofabricated arrays of non-interacting, identical gold nanodisks on a transparent substrate. This gold nanodisk array (the “sensor”) is then covered with a thin (few tens of nm) film of a dielectric spacer layer (see figure to the right) onto which the studied sample material (e.g. nanoparticles or a thin film) is deposited. The sensor (nano)particles are thereby embedded in the sensor surface and not physically interacting with the studied nanomaterial, except via the LSPR dipole field. The latter penetrates though the spacer layer and has considerable strength also on and in proximity to its surface and can, therefore, sense dielectric changes there (see figure below).
sense dielectric changes
The glass slide with the deposited Au sensor particles and the covering spacer layer can be regarded as a general sensor chip. In the unique nano-architecture of the Insplorion NPS sensor chip the spacer layer exerts the following functions:
  • protection of the Au nanosensors from structural re-shaping;
  • protection of the Au nanosensors from chemical interaction with the sample material;
  • protection of the Au nanosensors from harsh/reactive environments;
  • providing a tailored surface chemistry of the sensor chip, and thereby
  • be either an inert substrate for the sample material, or
  • participate actively in the studied process (e.g. spillover effects).
A major advantage of the NPS approach is that any material shape and size (e.g. very small nanoparticles down to 1 nm or films) and any material type (e.g. metal, insulator, polymer) can be studied on a wide range of substrate materials (i.e. spacer layers).

Link to Science article describing Nanoplasmonic Sensing more in detail
 (requires subscription, contact Insplorion for more information at patrik.bjoorn@insplorion.com)

Measurement Principle

During an experiment in Insplorion’s instrument an optical extinction measurement is made through a quartz measurement cell/reactor in which the sensor chip is mounted (see figure below). The latter involves the detection of transmitted light, from a collimated white light source, through the sensor chip (via an optical fiber and the reactor walls) as a function of wavelength by an optical spectrometer (via a second optical fiber). Optical extinction spectra of the LSPR response, of the sensor chip, are detected with subsecond time resolution.
Measurement principle
 
 
 

The optical response of the NPS sensor chips is characterized by a distinct peak at a certain wavelength in the extinction spectrum. The latter is caused by the strong interaction of the Au nanodisk sensors with light at the LSPR, through absorption and scattering. During an NPS experiment, the spectral position of the LSPR peak (i.e. the precise color of the sensor chip) is monitored as a function of time during a process that one wants to study/monitor e.g. where the sample material on the chip is interacting with molecules in the gas phase (see figure below) or is exposed to a temperature change. The color changes, which can be measured in real time (millisecond temporal resolution) and with 10-2 nm spectral resolution, can then be related, e.g., to the kinetics of a chemical process taking place in/on the sample material (e.g. a phase transition), changes in the surface coverage of a certain atomic/molecular species on the sample surface or the chemical energy dissipated by a chemical reaction running on a nanocatalyst.
Measurement principle
 
 
Applications
 
Insplorion’s technology is extremely sensitive to changes in optical properties in the first few tens of nanometers from a surface. Our instrumentation enables a broad application base, with ultra-sensitive measurements both in gas and liquid phase. The combination of technology and instrumentation enables detailed studies of the effect of broad range temperature changes, light triggers, nanotopography, chemistry and more.
Processes/Phenomena that have been monitored
• Adsorption/desorption/binding
• Phase transitions - Conformational changes
• Chemical reactions on/in thin films or nanoparticles
• Sensing
• Diffusion in porous thin films
• Light triggered/sensitive processes
• Temperature triggered/sensitive processes
Analytes that have been used on Insplorion sensors
• SAMs
• Thin and ultrathin films
• Porous materials
• Proteins, Lipids, peptides, DNA etc
• A large range of gases
• Oxides, Nitrides and hydrides etc
• Liquid crystals 
Application fields among our users around the world
• Biomolecular interactions
• Catalysis and surface physics
• DSSC and perovskite solar cells
• Polymer physics
 
 
Applications
 
Insplorion’s technology is extremely sensitive to changes in optical properties in the first few tens of nanometers from a surface. Our instrumentation enables a broad application base, with ultra-sensitive measurements both in gas and liquid phase. The combination of technology and instrumentation enables detailed studies of the effect of broad range temperature changes, light triggers, nanotopography, chemistry and more.
Processes/Phenomena that have been monitored
• Adsorption/desorption/binding
• Phase transitions - Conformational changes
• Chemical reactions on/in thin films or nanoparticles
• Sensing
• Diffusion in porous thin films
• Light triggered/sensitive processes
• Temperature triggered/sensitive processes
Analytes that have been used on Insplorion sensors
• SAMs
• Thin and ultrathin films
• Porous materials
• Proteins, Lipids, peptides, DNA etc
• A large range of gases
• Oxides, Nitrides and hydrides etc
• Liquid crystals 
Application fields among our users around the world
• Biomolecular interactions
• Catalysis and surface physics
• DSSC and perovskite solar cells
• Polymer physics