Fig. 3: KPFM characterization of the polarization transistor region. | Light: Science & Applications

Fig. 3: KPFM characterization of the polarization transistor region.

From: Making UV light visible by exciting polarization-gate phototransistor to achieve energy transfer into GaN-based blue emission

Fig. 3: KPFM characterization of the polarization transistor region.

a Surface potential difference mappings and b 1D surface potential difference profiles for the polarization-gated phototransistor in dark conditions. c Surface potential difference mappings and d 1D surface potential difference profiles for the polarization-gated phototransistor under 305 nm illumination

Back to article page