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Keyword: Quantum Dots
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Open AccessArticle
5 Pages, 4,036 KB Download PDF

NiO Quantum dots Doped Triple Cation Perovskite \(\mathrm{CsMAFAPbI_2Br_2}\) Heterojunction Photodetector with High Responsivity

Advances in Science, Technology and Engineering Systems Journal, Volume 7, Issue 3, Page # 161–165, 2022; DOI: 10.25046/aj070318
Abstract:

Optoelectronic devices applications based on Organic–inorganic perovskites are promising and effective low-cost energy materials due to their exceptional physical properties which include high carrier mobility, high optical absorption coefficient, and long carrier diffusion length. In the presented work, a TiO2/NiO+5% Fe quantum dots (QDs)–doped CsMAFAPbI2Br2 perovskite heterojunction broadband photodetector was fabricated on FTO/glass substrate. The…

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(This article belongs to Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
7 Pages, 3,523 KB Download PDF

Johnson Noise and Optical Characteristics of Polymer Nanocomposites Based on Colloidal Quantum Dots and In-Situ Nanoparticles Formation

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 5, Page # 750–756, 2020; DOI: 10.25046/aj050591
Abstract:

Electrical and optical properties of polymer nanocomposite thin films have been analyzed to study their reliability and competency as a component for optoelectronic devices such as LED and solar cells. Polymer nanocomposite encounters various challenges, such as the dispersion of nanoparticles in the matrix that hinders their efficiency for potential devices. In this paper, two…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Coatings & Films in Materials Science (MCF))
Open AccessArticle
7 Pages, 1,030 KB Download PDF

Efficiency Enhancement of p-i-n Solar Cell Embedding Quantum Wires in the Intrinsic Layer

Advances in Science, Technology and Engineering Systems Journal, Volume 5, Issue 3, Page # 540–546, 2020; DOI: 10.25046/aj050367
Abstract:

A high efficiency InAs/GaAs quantum wire solar cell is modelled embedding periodic array of InAs quantum wires (QW) in the intrinsic layer. The promising low dimensional heterostructure such as Quantum Wells, Quantum Wires, Quantum Dots or Dashed (elongated Dots) based intermediate-band-gap solar cells are recently being grasped the attention for ongoing third generation solar cell…

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(This article belongs to Section Electronic Engineering (EEE))

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