High photoconductive gain in a GaAs/PbS heterojunction based SWIR detector

H Manis-Levy, R Shikler, Y Golan, G Sarusi - Applied Physics Letters, 2020 - pubs.aip.org
An internal quantum efficiency (IQE), defined as the electron–hole pair to photon conversion
ratio, of∼ 10 was obtained for an n-GaAs/p-PbS heterojunction when illuminating the device …

Trap-free heterostructure of PbS nanoplatelets on InP (001) by chemical epitaxy

L Biadala, W Peng, Y Lambert, JH Kim, D Canneson… - ACS …, 2019 - ACS Publications
Semiconductor nanocrystalline heterostructures can be produced by the immersion of
semiconductor substrates into an aqueous precursor solution, but this approach usually …

Electrical and optical characterization of extended SWIR detectors based on thin films of nano-columnar PbSe

H Manis-Levy, T Tempelman, N Maman… - Infrared Physics & …, 2019 - Elsevier
There is an increasing demand for detectors with extended Short Wavelength Infrared
(SWIR) absorption at wavelengths between 1.6 μm and 2.8 μm. Towards that end, PbSe …

On the “Chemical Inertness” of Teflon in Chemical Synthesis

RE Abutbul, H Manis-Levy… - Industrial & …, 2021 - ACS Publications
Impurities in Teflon, a material which has become synonymous with chemical inertness,
were found to strongly influence the short wave infrared (SWIR) response of solution …

The role of traps in dark current and photocurrent of chemical bath deposition grown nano-domains PbS/GaAs heterojunction layers

A Grosman, H Manis Levy, G Sarsui - Journal of Applied Physics, 2021 - pubs.aip.org
Lead sulfide (PbS) nano-domain (ND) thin layers were grown by a chemical bath deposition
technique on a heavily doped n-type GaAs substrate forming a heterojunction. The PbS …