Figure 7. a) Charge carriers are released from Cu₂S-crystallites into the semiconductor layer due to the high electric field. b) Charge carriers move towards the electrodes and get captured in the traps of the semiconductor. c) Phase change of alternating current inverts the direction of the bipolar injection. The injected charge carriers encounter trapped ones with opposite charge. d) Trapped electrons and holes recombine under light emission

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Hello Future! Printed Electronics as a Hands-On Experiment for Science Teaching

Lena Halbrügge, Amitabh Banerji, Sven Rösler

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