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CIMPS

The ZAHNER CIMPS system based on LED arrays brings an additional advantage compared to the IMPS described in the literature: a control loop regulates light intensity and modulation and keeps it absolutely stable.

cimps-qe-ipce_wb

The automatic comparison between set value and sensed intensity eliminates the influence of non-linearity, ageing and temperature drift. Furthermore, it allows the direct calibration of the light source in units of intensity (W/m²).

The CIMPS package consists of several components, working together in a plug & play application, including software and an overall calibration of the system. An ZENNIUM X/pro or ZENNIUM electrochemical workstation acts as a frequency response analyser and as a control unit (potentiostat / galvanostat) for the cell under test. All ZENNIUM series workstations are renowned for their high precision, ease of use and comprehensive software. A slave potentiostat, driven by the ZENNIUM system, controls the amplitude and the modulation of the light source over a wide range of frequencies.

An optical bench carries the housing of the light source with the integrated photo-amplifier and the slider with the photo-electrochemical cell PECC-1 or PECC-2. The PECCs are a versatile option completing your CIMPS setup for performing photoelectrochemistry in solution. A photodiode sensor, included in the CIMPS setup, is mounted near the site of the light inlet of your obejct (solar cell, PECC, etc.), adjustable in height and angle. Depending on the application, you can chose from different types of light sources, which are optional components making your CIMPS system an highly flexible tool for your photoelectrochemical research.

Available CIMPS systems
CIMPS	Complete CIMPS system with Zennium workstation (10 µHz – 4 MHz / ±2.5 A / 4 extension slots) LED potentiostat: PP211 (±10 A max.), EPC42 Optical bench with calibrated sensor, LDA2, and SIMPECC (dummy cell) CIMPS & THALES software package
CIMPS-pro	Complete CIMPS system with Zennium pro workstation (10 µHz – 8 MHz / ±3 A / 5 extension slots) LED potentiostat: PP212 (±10 A max), EPC42 Optical bench with calibrated sensor, LDA2, and SIMPECC (dummy cell) CIMPS & THALES software package
CIMPS-X	Complete CIMPS system with Zennium X workstation (10 µHz – 12 MHz / ±4 A / 10 extension slots) LED potentiostat: PP212 (±10 A max.), EPC42 Optical bench with calibrated sensor, LDA2, and SIMPECC (dummy cell) CIMPS & THALES software package

General specifications
Supported wavelength range		User selectable (see lightsources)
Frequency range		10 µHz to 200 kHz
Supply output range for light source	PP212 XPot	±10 A, ±20 V ±500 mA, ±25 V

The Zahner CIMPS measurement system has been designed to match the special demands of dynamic photo-electric investigations. Besides traditional electrochemical investigations supported by the Thales software package a variety of special photo electric measurements can be done easily with the CIMPS option: