Quantum Zurich

FAST Quantum Efficiency Measurement System

High-speed operation by performing a single measurement in only 3 seconds , which has to be compared with the nearly 5 minutes necessary to perform the same measurement with a traditional monochromator-based system.

Quantum Efficiency Measurement System

Save Time. Save space. Save Work. Save Costs Measure your solar cell’s quantum efficiency x100 faster than with any other system

Simply made to rocket up your solar cell manufacturing R&D

Ready to use in 1-Click

The Fast EQE system is delivered with a graphical user interface that allows measuring the quantum efficiency very FAST (1-click).

Its excellent reproducibility allows appreciating small differences between the quantum efficiency of different devices. (Left: 5 measurements performed on the same device).

Flexible and ready for automation

The FAST QE system has a flexible head that makes its incorporation in systematized processes easy and possible, in both horizontal and vertical configurations.

Easily adaptable. Easy to integrate in your automated measurement and control system. Ready to implement in your daily measurements. It is also small in size, allowing quick and easy installation in any manufacturing line.

FAST Quantum Efficiency System: Lightning-fast measurement!

The high-speed operation of the FAST Quantum Efficiency measurement system allows for a single measurement to be completed in just 8 seconds. This is in contrast to the traditional monochromator based system which takes nearly 8 minutes to perform the same measurement. Additionally, the system's speed is not affected by the wavelength range being measured.

The system is designed to accelerate R&D projects related to solar cell manufacturing. Researchers can now analyze a large number of solar cells quickly, as Quantum Efficiency measurements no longer create bottlenecks. This is the first time such fast analysis has been made possible.

Solid-state Light Emitting Diodes (LED) technology is widely recognized for its exceptional long-term and silent operation as a light source. It requires no maintenance due to the lack of moving parts within the system and extended lifespan of the LED-based light source (usually 10000 h). Furthermore, it consumes less energy, has a smaller size, poses no health risks, and is easy to install

FAST Quantum Efficiency Measurement System

The Quantum Efficiency measurement system, FAST, offers exceptional long-term stability and operates at high speed. This is achieved by driving a set of Light Emitting Diodes (LEDs) in and analyzing the signal using Fourier Transform techniques.

Simultaneously driving a series of 35 LEDs with varying wavelengths from 390 nm to 1080 nm at different frequencies, the electrical signal induced by each photon is amplified and analyzed as a whole to extract the quantum efficiency using FAST Fourier analysis.

The Quantum Efficiency measurement system, called Click & Measure, can quickly measure the quantum efficiency with just one click. The system is controlled by a user-friendly graphical interface, eliminating the need for parameter settings.

Comparing data:The user can easily and quickly compare the quantum efficiency of multiple saved data using the graphical user interface.

Repeatability:The figure above displays the outcomes of five measurements of quantum efficiency conducted on a single device. The system's exceptional reproducibility enables the detection of slight variations in quantum efficiency among various devices.

FAST Quantum Efficiency Measurement System

The FLEX-HEAD, along with the flexible optical fiber cable, can adjusted to any orientation, whether horizontal or vertical, making it simple to customize measurement setups.

The Quantum Efficiency measurement system, FAST, comes with a flexible measurement chuck that enables the measurement of solar cells in any configuration. The contacting probes are spring-loaded pins placed on a support, with in-plane 360º mobility, and no wiring. This allows for comfortable positioning of the probes on the device. Additionally, the user can use their own measurement probes without modifying the system.

FAST Quantum Efficiency Measurement System

The Quantum Efficiency measurement system, called FAST, comprises four main components. Firstly, the electronic system can drive each LED of the source light and high power LEDs of the bias light. Secondly, the optical system focuses the light into an external optical fiber cable. Thirdly, the optical head consists of a beam splitter and a photodetector to monitor the intensity of light captured by the solar cell. Finally, the measurement chuck is included. All components are controlled by a specific with a graphical user interface, which is connected via USB.