Ideal for materials development

AC-2S Pro α

Features

・High light intensity irradiating optical system exceeding 2 μW
・Low-energy irradiating optical system capable of measurements from 2 eV
・High-temperature measurements up to 100 °C
・Film thickness measurements
・Precise measurements in 0.01 eV increments
・Includes often-requested multi-point measurement and repeated measurement functions
・Imports and analyzes AC-2/3/5 data
・Uses flat-plate open counter enabling photoelectron count rates of up to 4,000 cps

Applications

・Battery materials electron property measurements
・Catalyst materials electron property measurements
・Ionization potential measurements of organic light-emitting diodes and photoreceptors for photocopiers
・Tribology research on hard disks and magnetic tape
・Semiconductor and lead frame surface oxidization state measurements
・Detection of molecular level film contamination of precision electronic materials
・Ionization potential measurements of the following functional materials
Organic light-emitting diodes, organic solar cells, organic field-effect transistors, photoreceptor materials for photocopiers, Perovskite solar cells, quantum dots, carbon nanomaterials, catalyst materials, storage batteries, fuel cells, semiconductor materials (e.g., Si, GaN, GaAs), transparent conductive film (e.g., ITO, FTO)


Product category

Photoemission Yield Spectroscopy in Air

Model

AC-2S Pro α

Measurement principle

Photoemission Yield Spectroscopy in Air (detector: low-energy photoelectron counting)

Photoelectron detector

Flat-plate open counter

UV energy range

2.0 - 6.2 eV (620 - 200 nm)

Minimum light intensity

5.0 nW or less (at 5.9 eV)

Maximum light intensity

2,500 nW or greater (at 5.9 eV)

Repeatability (standard deviation)

Work function 0.02 eV (sample: Au plate)

UV light source

Laser-driven light source (LDLS)

UV spot size

Up to 4 mm × 4 mm (varies according to energy due to chromatic aberration of converging lens)

Maximum photoelectron count rate

4,000 cps

Spectrometer

Grating type monochromator

Maximum sample size

Area up to 50 mm × 50 mm, thickness up to 10 mm

Temperature/humidity range

Temperature 15 °C - 35 °C (no sudden changes), up to 60 %RH (no condensation), dew point -30 °C or higher

Power source

Main unit: 100 V - 240 V AC 50/60 Hz, 5 A (max)
LDLS (AC adapter): 100 V - 240 V AC 50/60 Hz, 2.5 A
LDLS (main unit): 12 V DC, 120 W
Temperature controller: 100 V AC (±10 %) 50/60 Hz, 1 A (max.)
(excluding control PC)

External dimensions

LC (light source unit)*: Approx. 623 mm (W) × 450 mm (D) × 317 mm (H)
DC (measurement unit): Approx. 465 mm (W) × 450 mm (D) × 360 mm (H)
Temperature controller: Approx. 200 mm (W) × 150 mm (D) × 280 mm (H)
* The LDLS power supply is contained in the LC (light source unit).

Weight

AC-2S LC (light source unit): Approx. 30 kg, AC-2S DC (measurement unit): Approx. 31 kg
Temperature controller: Approx. 5 kg (excluding control PC)