gan78In this study, we investate the GaN SB PDs with graded doping prepared on PSS, turning out that: (1) the fabricated devices have an extremely low dark current, a large UV-to1,267 Followers, 527 Following, 1 Posts - LF GAN78 (@lf_gan78) on : Lf----- seven78(78)beuzzzjordi fuckyour Life,+243rdc AfricabestGaNGMILLI