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Silver doping of silica-hafnia waveguides containing Tb3+/Yb3+ rare earths for downconversion in PV solar cells
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- Enrichi, Francesco (author)
- Luleå tekniska universitet,Materialvetenskap,Museo Storico della Fisica e Centro Studi e Ricerche Enrico Fermi, Piazza del Viminale 1, 00184 Roma, Italy; Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia, via Torino 155/b, 30172 Mestre, Venezia, Italy; CNR-IFN, Istituto di Fotonica e Nanotecnologie, CSMFO Lab. & FBK-CMM, Via alla Cascata 56/C, 38123 Povo, Trento, Italy
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- Armellini, C. (author)
- CNR-IFN, Istituto di Fotonica e Nanotecnologie, CSMFO Lab. & FBK-CMM
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- Battaglin, G. (author)
- Dipartimento di Scienze Molecolari e Nanosistemi, Università Ca’ Foscari Venezia
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- (creator_code:org_t)
- Elsevier BV, 2016
- 2016
- English.
- In: Optical materials (Amsterdam). - : Elsevier BV. - 0925-3467 .- 1873-1252. ; 60, s. 264-269
- Journal article (peer-reviewed)
Abstract
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- The aim of this paper is to study the possibility to obtain an efficient downconverting waveguide which combines the quantum cutting properties of Tb3+/Yb3+ codoped materials with the optical sensitizing effects provided by silver doping. The preparation of 70SiO(2)-30HfO(2) glass and glass-ceramic waveguides by sol-gel route, followed by Ag doping by immersion in molten salt bath is reported. The films were subsequently annealed in air to induce the migration and/or aggregation of the metal ions. Results of compositional and optical characterization are given, providing evidence for the successful introduction of Ag in the films, while the photoluminescence emission is strongly dependent on the annealing conditions. These films could find potential applications as downshifting layers to increase the efficiency of PV solar cells
Subject headings
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
Keyword
- Experimentell fysik
- Experimental Physics
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- ref (subject category)
- art (subject category)
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- Armellini, C.
- Battaglin, G.
- Belluomo, F.
- Belmokhtar, S.
- Bouajaj, A.
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- Cattaruzza, E.
- Ferrari, M.
- Gonella, F.
- Lukowiak, A.
- Mardegan, M.
- Polizzi, S.
- Pontoglio, E.
- Righini, G.C.
- Sada, C.
- Trave, E.
- Zur, L.
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- Luleå University of Technology
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