Kosuke Ozaki, a master’s student, won a TAUP 2019 Poster Honourable Mention for his poster presentation titled “Characterization of new photo-detectors for the future dark matter experiments with liquid xenon” at the 16th International Conference on Topics in Astroparticle and Underground Physics (Toyama International Conference Center, 8-13 September 2019). In this poster, the performance of a new semiconductor photo-detector for future dark matter experiments was presented.