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Photocurrent can be generated in ferroelectric devices with vertical-structured sandwich configurations due to photovoltaic effect, which has potential applications in electronic devices such as photodetectors owing to no use of any external power source. However, how to effectively enhance the photocurrent in ferroelectric materials still remains one of the key challenges for these applications....
Ferroelectric material BaTiO3 (BTO) with intrinsic spontaneous polarization demonstrates excellent pyroelectric effect that output current/voltage signals can be observed even by slight temperature fluctuation. Here, we report a self-powered 365nm UV light photodetector by using the light-induced pyroelectric effect in Ag/BTO/Ag device with the response time of about 0.5s at the rising edge. Moreover,...
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