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Photo-CELIV(Photoinduced Charge Extraction Linear Increasing Voltage)

Photo-CELIV is modified version of the regular CELIV method where a light pulse precedes the carrier extraction in order to increase the carrier concentration.

Advantages of CELIV measurement
1 Convenient experimental setup
2 Wide applicability to various materials
3 Possibility to evaluate mobility of
4 relatively well conducting materials

The three main stages during a photo-CELIV technique
1 charge generation
2 charge recombination and energy relaxation
3 charge extraction