Ultrasensitive solution-processed broad-band photodetectors using CH3NH3PbI3 perovskite hybrids and PbS quantum dots as light harvesters

Nanoscale, 2015, 7,16460-16469
DOI: 10.1039/C5NR04575D, Paper

Chang Liu, Kai Wang, Pengcheng Du, Enmin Wang, Xiong Gong, Alan J. Heeger
Ultrasensitive broadband photodetectors are realized from PbS QDs passivated with CH₃NH₃PbI₃ to reduce the trap defects, resulting in enhanced detectivity.
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