Investigation of samarium-doped PbS thin films fabricated using nebulizer spray technique for photosensing applications

K Paulraj, S Ramaswamy, N Chidhambaram… - Superlattices and …, 2020 - Elsevier
Lead sulfide (PbS) and samarium-doped (1, 3, and 5 wt%) PbS thin film layers were coated
facilely on glass slides using the nebulizer spray procedure. To investigate the doping effect …

Praseodymium doped PbS thin films for optoelectronic applications prepared by nebulizer spray pyrolysis

K Paulraj, S Ramaswamy, IS Yahia, AM Alshehri… - Applied Physics A, 2020 - Springer
Simple nebulizer spray technique used pristine and rare earth praseodymium (Pr) doped
PbS thin films coated on soda-lime glass and their optoelectronic properties are reported …

Growth of Si/PbS Heterostructure Infrared Photodetectors for NIR Detection

X Zhang, C Yang, P Li, S Chen, Z Guo, S Feng - ACS Photonics, 2024 - ACS Publications
Lead sulfide (PbS), as an excellent narrow band gap material, has a wide range of
applications in short-wave infrared detection. In this study, Si/PbS photodetectors are …

Direct chemical synthesis of PbS on large-area CVD-graphene for high-performance photovoltaic infrared photo-detectors

EK Ampadu, J Kim, E Oh, DY Lee, KS Kim - Materials Letters, 2020 - Elsevier
The need for bendable, flexible and high performance optoelectronic devices has led to
various functional materials/graphene hybridized structures. PbS thin films were successfully …

Field effect transistors and phototransistors based upon p-type solution-processed PbS nanowires

P Giraud, B Hou, S Pak, JI Sohn, S Morris… - …, 2018 - iopscience.iop.org
We demonstrate the fabrication of solution processed highly crystalline p-type PbS
nanowires via the oriented attachment of nanoparticles. The analysis of single nanowire …

Photocurrent spectra for above and below bandgap energies from photovoltaic PbS infrared detectors with graphene transparent electrodes

J Kim, EK Ampadu, E Oh, H Choi, HY Ahn, SH Cho… - Current Applied …, 2020 - Elsevier
We discussed photocurrent spectra of photovoltaic PbS infrared detectors using multi-layer
graphene as transparent electrode, where p-PbS films were deposited on TiO 2/FTO …

Self-catalyzed VLS growth of PbSe wires with significant suppression of the VS process

C Fan, X Xu, Y Zhang, T Chen, S Wang, C Zhang… - …, 2018 - pubs.rsc.org
Self-catalyzed growth of PbSe wires was achieved via a physical vapor deposition (PVD)
method using pure PbSe powder as the precursor. The growth mechanism was investigated …

Photocurrent spectra from PbS photovoltaic infrared detectors using silver nanowires as plasmonic nano antenna electrodes

J Kim, EK Ampadu, WJ Choi, E Oh - Nanotechnology, 2018 - iopscience.iop.org
We discussed structural and electrical properties of PbS films deposited by chemical bath
deposition. The crystallite size of our films measured by transmission electron microscope …

Lateral PbS photovoltaic devices for high performance infrared and terahertz photodetectors

EK Ampadu, J Kim, E Oh - Nanomaterials, 2021 - mdpi.com
We fabricated a lateral photovoltaic device for use as infrared to terahertz (THz) detectors by
chemically depositing PbS films on titanium substrates. We discussed the material …

Comprehensive study on nebulizer-spray-pyrolyzed Eu-Doped PbS thin films for optoelectronic applications

K Paulraj, S Ramaswamy, S Saravanakumar… - Journal of Electronic …, 2020 - Springer
PbS films in undoped state and with various Eu contents (1 wt.%, 3 wt.%, and 5 wt.%) have
been coated effectively on insulating glass substrates by a nebulized spray pyrolysis route …