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Title: Transparent thermally stable poly (etherimide) film as flexible substrate for OLEDs
Authors: Calil, Vanessa Luz e
Legnani, Cristiano
Moreira, Gabriela Fernandes
Vilani, Cecília
Teixeira, Kelly de Carvalho
Quirino, Welber Gianini
Machado, Rogério
Achete, Carlos Alberto
Cremona, Marco
Keywords: Metrologia de materiais : propriedade termofísica
Materiais flexíveis
Poli (etherimide)
Issue Date: 2009
Citation: CALIL, L. V. et al. Transparent thermally stable poly (etherimide) film as flexible substrate for OLEDs. Thin Solid Films, v. 518, p. 1419-1423, 2009.
Abstract: In this work, ITO thin films were deposited onto poly(etherimide) (PEI) substrates at room temperature using r.f. magnetron sputtering and successively they were annealed in the 423–523 K (150–250 °C) temperature range. PEI/ITO substrates were structurally, optically and electrically characterized in order to verify the quality of the deposited ITO films and the PEI thermal stability during the ITO annealing process. A transmittance of about 80% was measured in the visible range. The best electrical properties achieved were: 3.04×10−4 Ω cm, 12.07×1021cm2/V.s, 16.8 × 1021 cm−3, for resistivity, carrier concentration and mobility, respectively. Small molecule Flexible Organic Light Emitting Diodes (FOLED) were then fabricated and characterized onto ITO functionalized PEI substrates. These preliminary results show clearly that PEI can be successfully used as substrate in flexible optoelectronic devices either operating in high temperature or when the process needs high temperatures.
Description: 5 p. : il.
Document type: Artigo / Article
Unit: Divisão de Metrologia de Materias - DIMAT
Appears in Collections:DIMEC | Artigos publicados em periódicos internacionais

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