56 citations · 77 across the 2 of their papers we have counts for
2 papers
physics.app-ph2021★ 21 cited
Unclonable anti-counterfeiting labels based on microlens arrays and luminescent microparticles
Vinay Kumar, Stephan Dottermusch, Ngei Katumo +2
Micron-scale randomness during manufacturing can ensure anti-counterfeiting labels are unclonable. However, this security typically comes at the expense of complex hardware being n…
physics.app-ph2020★ 56 cited
Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling
Paul Fassl, Vincent Lami, Felix J. Berger +6
The internal luminescence quantum efficiency () provides an excellent assessment of the optoelectronic quality of semiconductors. To determine $Q_\mathrm…