Strain-controlled flexible graphene/GaN/PDMS sensors based on the piezotronic effect

P Puneetha, SPR Mallem, YW Lee… - ACS applied materials & …, 2020 - ACS Publications
Using simple graphene transfer and the laser lift-off process for a non-centrosymmetric GaN
layer on a flexible polydimethylsiloxane (PDMS) substrate, the piezotronic effect by strain …

Strain-induced piezotronic effects in nano-sized GaN thin films

P Puneetha, SPR Mallem, YW Lee, JH Lee, J Shim - Nano energy, 2021 - Elsevier
Flexible devices have attracted considerable attention because of their very productive
applications in the diverse areas such as healthcare, artificial intelligence, and robotics …

Photo-sensor characteristics of tannic acid (C76H52O46)/n-Si hybrid bio-photodiode for visible and UV lights detection

F Yıldırım, Z Orhan, M Taşkın, U Incekara… - Optics & Laser …, 2022 - Elsevier
We present the electo-optical characterization of tannic acid (TA)/n-Si heterojunction for
visible and UV lights (365 nm and 395 nm). The TA was deposited on n-Si by spin coating …