Výsledky vyhledávání - "Leonardo Scopa"

Noise performance of PbS colloidal quantum dot photodetectors

Autor: Carlo Venettacci, A. De Iacovo, Sabrina Foglia, Leonardo Scopa, Lorenzo Colace

Publikováno v: Applied physics letters 111 (2017): 211104-1–211104-5. doi:10.1063/1.5005805
info:cnr-pdr/source/autori:De Iacovo A.; Venettacci C.; Colace L.; Scopa L.; Foglia S./titolo:Noise performance of PbS colloidal quantum dot photodetectors/doi:10.1063%2F1.5005805/rivista:Applied physics letters/anno:2017/pagina_da:211104-1/pagina_a:211104-5/intervallo_pagine:211104-1–211104-5/volume:111

We report on the noise characterization of photoconductors based on PbS colloidal quantum dots. The devices operate in the near infrared region with peak responsivity exceeding 70 A/W at 1.3 mu m at low optical intensity and low voltage bias. The lar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3eccca666a34aeb1f03babc96a0c94d5
https://hdl.handle.net/11590/326945

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PbS colloidal quantum dot visible-blind photodetector for early indoor fire detection

Autor: Carlo Venettacci, Sabrina Foglia, Andrea De Iacovo, Lorenzo Colace, Leonardo Scopa

Publikováno v: IEEE sensors journal 17 (2017): 4454–4459. doi:10.1109/JSEN.2017.2710301
info:cnr-pdr/source/autori:De Iacovo A.; Venettacci C.; Colace L.; Scopa L.; Foglia S./titolo:PbS colloidal quantum dot visible-blind photodetector for early indoor fire detection/doi:10.1109%2FJSEN.2017.2710301/rivista:IEEE sensors journal/anno:2017/pagina_da:4454/pagina_a:4459/intervallo_pagine:4454–4459/volume:17

We report on a novel optical fire detector based on a PbS colloidal quantum dot photodetector. The sensor is realized with a simple, cost effective, drop casting technique. The photodetector is characterized in terms of its electrical characteristics

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c87642d83c4de5a29287c9421350e4f9
http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7361

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High Responsivity Fire Detectors Based on PbS Colloidal Quantum Dot Photoconductors

Autor: Lorenzo Colace, Carlo Venettacci, Leonardo Scopa, Andrea De Iacovo, Sabrina Foglia

Publikováno v: IEEE photonics technology letters 29 (2017): 703–706. doi:10.1109/LPT.2017.2680741
info:cnr-pdr/source/autori:De Iacovo A.; Venettacci C.; Colace L.; Scopa L.; Foglia S./titolo:High Responsivity Fire Detectors Based on PbS Colloidal Quantum Dot Photoconductors/doi:10.1109%2FLPT.2017.2680741/rivista:IEEE photonics technology letters/anno:2017/pagina_da:703/pagina_a:706/intervallo_pagine:703–706/volume:29

In this letter, we report on high responsivity fire detectors based on PbS colloidal quantum dots photoconductors. The devices operate in the near infrared and are equipped with a visible light silicon filter for wavelength selectivity. Devices are f

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2cbe25e4d932acd0772e4197585ecf05
https://hdl.handle.net/11590/316850

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PbS Colloidal Quantum Dot Photodetectors operating in the near infrared

Autor: Carlo Venettacci, Andrea De Iacovo, Lorenzo Colace, Sabrina Foglia, Leonardo Scopa

Publikováno v: Scientific reports (Nature Publishing Group) 6 (2016): 37913-1–37913-9. doi:10.1038/srep37913
info:cnr-pdr/source/autori:De Iacovo A.; Venettacci C.; Colace L.; Scopa L.; Foglia S./titolo:PbS Colloidal Quantum Dot Photodetectors operating in the near infrared/doi:10.1038%2Fsrep37913/rivista:Scientific reports (Nature Publishing Group)/anno:2016/pagina_da:37913-1/pagina_a:37913-9/intervallo_pagine:37913-1–37913-9/volume:6
Scientific Reports

Colloidal quantum dots have recently attracted lot of interest in the fabrication of optoelectronic devices due to their unique optical properties and their simple and low cost fabrication. PbS nanocrystals emerged as the most advanced colloidal mate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db1500601951147a6a46a487f7b2fe56

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Near infrared photodetectors based on PbS colloidal quantum dots

Autor: Lorenzo Colace, A. De Iacovo, Leonardo Scopa, Sabrina Foglia

Publikováno v: Conference on Optical Sensing and Detection IV, pp. 989908-1, Brussels, BELGIUM, APR 03-07, 2016
info:cnr-pdr/source/autori:De Iacovo, A.; Colace, L.; Scopa, L.; Foglia, S./congresso_nome:Conference on Optical Sensing and Detection IV/congresso_luogo:Brussels, BELGIUM/congresso_data:APR 03-07, 2016/anno:2016/pagina_da:989908-1/pagina_a:/intervallo_pagine:989908-1

Colloidal Quantum Dots (CQD), due to their extremely large optical absorption coefficient and tunability of the absorption bands, are very promising for the realization of photodetectors. PbS quantum dots, in particular, can be effectively employed a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4319312879782254834e29d760ced3f1

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Electron-beam lithography on multilayer substrates: experimental and theoretical study

Autor: Ioannis Raptis, Marco Ardito, Nikos Glezos, Anja Rosenbusch, Panagiotis Argitis, Leonardo Scopa, G. Meneghini, George P. Patsis, Rafaelle Palumbo, Evangelos Valamontes

Publikováno v: SPIE Proceedings.

A fast simulator for electron beam lithography called SELID, is presented. For the exposure part, an analytical solution based on the Boltzmann transport equation is used instead of Monte Carlo. This method has been proved much faster than Monte Carl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2455a90ce2a0836b5b234797bd420f26
https://doi.org/10.1117/12.309597

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Sensitivity of PBS colloidal quantum dot photoconductors: A comparison of different readout methods

Autor: Sabrina Foglia, Carlo Venettacci, Leonardo Scopa, A. De Iacovo, Lorenzo Colace

Publikováno v: Scopus-Elsevier

We report on colloidal PbS quantum dot near infrared photoconductors operating at low voltage. In order to maximize the device sensitivity, we exploited the advantages of different measurement techniques and methods for dark current cancellation and

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::80571477ed6b6237a306b4229d3cb8eb
http://www.scopus.com/inward/record.url?eid=2-s2.0-85018246689&partnerID=MN8TOARS

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