Organic Amine-Bridged Quasi-2D Perovskite/PbS Colloidal Quantum Dots Composites for High-Gain Near-Infrared Photodetectors.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c04569
Abstract: Near-infrared (NIR) II detection at weak flux intensity is required in medical imaging and is especially urgent in light of the low quantum efficiency of NIR-II dyes. The low responsivity of traditional photodetectors in this… read more here.
Keywords: colloidal quantum; quantum; high gain; near infrared ... See more keywords
InvertedSi:PbS Colloidal Quantum Dot Heterojunction-BasedInfrared Photodetector
Sign Up to like & getrecommendations! Published in 2020 at "ACS Applied Materials & Interfaces"
DOI: 10.1021/acsami.0c01744.s001
Abstract: Silicon and PbS colloidal quantum dot heterojunction photodetectors combine the advantages of the Si device and PbS CQDs, presenting a promising strategy for infrared light detecting. However, the construction of a high-quality CQDs:Si heterojunction remains… read more here.
Keywords: pbs; photodetector; quantum dot; pbs colloidal ... See more keywords
Solution processed infrared- and thermo-photovoltaics based on 0.7 eV bandgap PbS colloidal quantum dots.
Sign Up to like & getrecommendations! Published in 2019 at "Nanoscale"
DOI: 10.1039/c8nr08755e
Abstract: Harnessing low energy photons is of paramount importance for multi-junction high efficiency solar cells as well as for thermo-photovoltaic applications. However, semiconductor absorbers with the bandgap lower than 0.8 eV have been limited to III-V… read more here.
Keywords: bandgap; solution processed; thermo photovoltaics; pbs colloidal ... See more keywords
Increasing responsivity and air stability of PbS colloidal quantum dot photoconductors with iodine surface ligands.
Sign Up to like & getrecommendations! Published in 2019 at "Nanotechnology"
DOI: 10.1088/1361-6528/ab2f4b
Abstract: PbS colloidal quantum dots are a promising material for the realization of low-cost, high-responsivity near-infrared photodetectors. Previously reported attempts showed high responsivity but a fast performance decay in air-exposed devices, demanding encapsulation of the photodetectors.… read more here.
Keywords: air; air stability; pbs colloidal; responsivity ... See more keywords