ArticleNanomaterials (Basel, Switzerland)2023
A Broadband Photodetector Based on PbS Quantum Dots and Graphene with High Responsivity and Detectivity.
Article in Nanomaterials (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Biogenic synthesis of PbS nanoparticles by Micrococcus luteus and their application in high-performance photodetectors.Scientific reports · 2025Article
- Broadband Graphene-PbS Heterostructure Photodetector with High Responsivity.Nanomaterials (Basel, Switzerland) · 2025Article
- Electrical Transport Properties of PbS Quantum Dot/Graphene Heterostructures.Nanomaterials (Basel, Switzerland) · 2024Article
- Graphene-PbS Quantum Dot Heterostructure for Broadband Photodetector with Enhanced Sensitivity.Sensors (Basel, Switzerland) · 2024Article
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Authors and funding
6 authors.
Funding
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Abstract
A high-efficiency photodetector consisting of colloidal PbS quantum dots (QDs) and single-layer graphene was prepared in this research. In the early stage, PbS QDs were synthesized and characterized, and the results showed that the product conformed with the characteristics of high-quality PbS QDs. Afterwards, the photodetector was derived through steps, including the photolithography and etching of indium tin oxide (ITO) electrodes and the graphene active region, as well as the spin coating and ligand substitution of the PbS QDs. After application testing, the photodetector, which was prepared in this research, exhibited outstanding properties. Under visible and near-infrared light, the highest responsivities were up to 202 A/W and 183 mA/W, respectively, and the highest detectivities were up to 2.24 × 10
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