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EnglishThe solution-processability of organic photodetectors allows a straightforward combination with other materials, including inorganic ones, without increasing cost and process complexity significantly compared with conventional crystalline semiconductors. Although the optoelectronic performance of these organic devices does not outmatch their inorganic counterparts, there are certain applications exploiting the benefit of the solution-processability. Here we demonstrate that the small pixel fill factor of present complementary metal oxide semiconductor-imagers, decreasing the light sensitivity, can be increased up to 100% by replacing silicon photodiodes with an organic photoactive layer deposited with a simple low-cost spray-coating process. By performing a full optoelectronic characterization on this first solution-processable hybrid complementary metal oxide semiconductor-imager, including the first reported observation of different noise types in organic photodiodes, we demonstrate the suitability of this novel device for imaging. Furthermore, by integrating monolithically different organic materials to the chip, we show the cost-effective portability of the hybrid concept to different wavelength regions.
| Titolo: | A hybrid CMOS-imager with a solution processable polymer as photoactive layer |
| Autori: | D., Baierl; Pancheri, Lucio; M., Schmidt; D., Stoppa; Dalla Betta, Gian Franco; G., Scarpa; P., Lugli |
| Autori Unitn: | |
| Titolo del periodico: | NATURE COMMUNICATIONS |
| Anno di pubblicazione: | 2012 |
| Codice identificativo Scopus: | 2-s2.0-84869455175 |
| Codice identificativo ISI: | WOS:000315992100012 |
| Digital Object Identifier (DOI): | 10.1038/ncomms2180 |
| Handle: | http://hdl.handle.net/11572/94644 |
| Citazione: | A hybrid CMOS-imager with a solution processable polymer as photoactive layer / D., Baierl; Pancheri, Lucio; M., Schmidt; D., Stoppa; Dalla Betta, Gian Franco; G., Scarpa; P., Lugli. - In: NATURE COMMUNICATIONS. - ISSN 2041-1723. - ELETTRONICO. - 3:1175(2012), pp. 1-8. |
| Appare nelle tipologie: | 03.1 Articolo su rivista (Journal article) |
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|---|---|---|---|---|
| ncomms2180.pdf | Articolo completo in PDF | Versione editoriale (Publisher’s layout) | Tutti i diritti riservati (All rights reserved) | Administrator |
http://hdl.handle.net/11572/94644
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