http://www.cnr.it/ontology/cnr/individuo/prodotto/ID234791
Nanofabrication processes for innovative nanohole-based solar cells (Articolo in rivista)
- Type
- Label
- Nanofabrication processes for innovative nanohole-based solar cells (Articolo in rivista) (literal)
- Anno
- 2013-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1002/pssa.201200949 (literal)
- Alternative label
Cristina Garozzo1, Corrado Bongiorno1, Salvatore Di Franco1, Markus Italia1, Antonino La Magna1,
Silvia Scalese1, Paolo Maria Sberna2, and Rosaria A. Puglisi*,1 (2013)
Nanofabrication processes for innovative nanohole-based solar cells
in Physica status solidi. A, Applications and materials science (Print); Wiley, San Francisco (Stati Uniti d'America)
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Cristina Garozzo1, Corrado Bongiorno1, Salvatore Di Franco1, Markus Italia1, Antonino La Magna1,
Silvia Scalese1, Paolo Maria Sberna2, and Rosaria A. Puglisi*,1 (literal)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- 1 Istituto per la Microelettronica eMicrosistemi, Consiglio Nazionale delle Ricerche, Strada Ottava 5 Zona Industriale, 95121 Catania, Italy
2 Dipartimento di Fisica e Astronomia, Università di Catania, Via Santa Sofia 64, 95123 Catania, Italy (literal)
- Titolo
- Nanofabrication processes for innovative nanohole-based solar cells (literal)
- Abstract
- The ability to form ordered nanostructures at the wafer level with low cost methodologies has represented a challenge in the last decade in many research fields spanning from nanoelectronics to photovoltaics. For the latter application the nanostructures have demonstrated interesting capabilities for exploiting the quantum effects in terms of efficient visible light absorption. To fabricate ordered nanostructures many solutions have been proposed but they provide feature densities lower than 1e9 cm-2 or present high fabrication costs. We propose a wafer level and low-cost Lithography based on block CoPolymers self-assembling (LCP), which allows the formation of nanofeatures controlled down to 10 nm and density higher than 5e10 cm-2. We propose to use this technique to form radial junctions in nanoholes for solar cells. The approach is similar to that of the nanowires, i.e. it decouples the optical path of the visible photons from the electrical path of the carriers, but since the one-dimensional structures are embedded inside the bulk of the wafer the structure is more robust and allows easier implementation. To form the junction inside the nanoholes a novel strategy based on the deposition of monolayers of dopant-containing molecules is proposed. This technique allows to obtain shallow and controlled junction depths with peak carrier concentrations of about 1e19 cm-3 for both n-type and p-type doping. (literal)
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