Light scattering enhancement of ZnO nanorods via Mg–Al co-doping and their influence on polymeric photodetector
Source abstract
Abstract
Abstract This work we report a facile solution-processed fabrication of a hybrid polymer photodetector using n-type oriented Mg–Al co-doped ZnO nanorods (MAZO NRs) and P3HT. MAZO NRs show significantly enhanced light scattering (average haze 15.37%) compared to the Al-doped ZnO (AZO) and ZnO NRs from 300 to 800 nm. The efficient light-trapping induced enhanced light absorption level of the polymer layer. MAZO devices showed the best rectification ratio (52.6) and on-off ratio compared to the AZO and ZnO devices. The electric field and carrier recombination rate were simulated and theoretically analyzed. The results showed that, the stronger electric field and the blocking effect on the holes of the MAZO devices allow achieving enhanced a detectivity of 4.35*109 Jones and a linear dynamic region of 21.56 dB under 625 nm. Our results provide a facile way for improving light-scattering for ZnO NRs and polymeric photodiode and other ZnO-based photovoltaic devices.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: ZnO doping and properties · Conducting polymers and applications · Organic Electronics and Photovoltaics
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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