Fig. 18From: Colloidal quantum dots for thermal infrared sensing and imaging(Figures reproduced from ref. [66] with permission. Copyright 2017 AIP Publishing LLC)HgTe CQD-based photoconductive device integrated with optical nano-antennas. a Optical microscope image of gold nano-antenna array fabricated on SiO2 substrate. b The spectral photoresponse obtained from devices with and without optical nano-antenna structures at 80 K. The length of the gold nano-antenna was varied from 0.8 to 1 μmBack to article page