Work function measurement system APS series
Oki Riko Jizai Co., Ltd.
About This Product
■Summary
Measures work function and ionization potential in the atmosphere without contact. Excitation light (3.4-7eV) is irradiated and photoelectrons/atmospheric ions are detected with a Φ2mm probe brought close to the sample surface. A similar measurement method, photoconductivity, measures the optical bandgap, while photoelectron spectroscopy detects electrons above the vacuum level and evaluates the absolute value of the work function. By adding a light source module, the excitation energy range can be expanded from the ultraviolet to the near-infrared region. A Kelvin probe tip is used in the photoelectron detection section, and relative work functions can also be measured using the Kelvin probe method using gold as a reference. It can be used to evaluate not only organic EL and organic solar cells but also various materials.
■Features
・Measurement of absolute value of work function by photoelectron yield spectroscopy (PYS)
・Relative work function measurement using Kelvin probe is also possible.
・UV light source energy range 3.4 to 7.0 eV (176 to 360 nm)
・Atmospheric/non-contact measurement
・Measures ionization potential (EV) and Fermi level (EF) with one device. Optional bandgap (EG) measurement available
■Main uses
・Ionization potential/density of state measurement
・Evaluation of organic EL materials
・Evaluation of organic solar cell materials such as perovskites
・Thin film quality evaluation, etc.
■Options
・Light source module (halogen light source/LED)
・Wavelength tunable light source module (400 to 1,000 nm)
■Measurement principle
・Detect photoelectrons/atmospheric ions with a probe that is irradiated with ultraviolet light and brought close to the sample surface
- Sweeping the energy of ultraviolet light, the threshold at which photoelectron/atmospheric ion emission begins is the work function.
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Product
Work function measurement system APS series
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Handling Company
Oki Riko Jizai Co., Ltd.
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Categories
1 Models of Work function measurement system APS series
| Product Image | Part Number | Price (excluding tax) |
|---|---|---|
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APS01 |
Available upon quote |
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About Company Handling This Product
- Japan