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Newport Cell System Measures EQE And IQE
The Oriel IQE-200 simultaneously measures the external quantum efficiency (EQE) and internal quantum efficiency (IQE) of solar cells, detectors or any photon-to-charge converting devices. It incorporates novel detector geometry that splits the beam, allowing for concurrent measurements.
The photovoltaic cell measurement system combines a rugged and durable Oriel light source, a monochromator, advanced sensor technology and related electronics and software. The Oriel QE Commander software, pre-loaded on a PC, is designed to control all the components and accessories, providing a simultaneous, real-time readout of EQE and IQE in a single measurement with the press of one button.
The preconfigured, calibrated assembly with four-channel data acquisition for rapid measurement is a turnkey solution. The AC measurements are performed in accordance with ASTM 1021-06 guidelines. The Oriel IQE-AC-QTH-SI is the first product in the IQE-200 range of Newport-Oriel systems for measuring total solar-cell quantum efficiencies. It is suitable for the measurement of silicon-based cells, both amorphous and mono/poly crystalline, thin film cells, copper indium gallium diselenide (CIGS) and cadmium telluride (CdTe).
