Influence of flexible substrate nature covered with ITO on the characteristics of organic heterostructures fabricated by laser deposition techniques

IF 2.8 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Applied Physics A Pub Date : 2024-12-11 DOI:10.1007/s00339-024-08149-4

M. Socol, N. Preda, A. Costas, G. Petre, A. Stanculescu, I. Stavarache, G. Popescu-Pelin, S. Iftimie, A. Stochioiu, A. M. Catargiu, G. Socol

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Abstract

Laser thin layer deposition technologies were applied to develop organic heterostructures on flexible transparent conductive electrode (TCE). Flexible substrates such as flexible glass (FG), polyethersulfone (PES), amorphous polyethylene terephthalate (PET-A) and biaxially-oriented polyethylene terephthalate (PET-B) were employed to assess the influence of the substrate type on the optical and electrical characteristics of the organic devices. For comparison reason, the organic heterostructures were fabricated on rigid glass substrate and commercially available indium tin oxide (ITO)-coated PET. Hence, flexible and rigid glass substrates were coated with ITO film by pulsed laser deposition (PLD) at low fluence, subsequently a blend layer based on zinc phthalocyanine (ZnPc) and N, N′-bis-(1-dodecyl)perylene-3,4,9,10 tetracarboxylic diimide (AMC14) being deposited by matrix assisted pulsed laser evaporation (MAPLE) on the TCE film. The investigations evidenced that the roughness and the substrate type can strongly influence the properties of the ITO layer deposited by PLD as well as the optical and electrical characteristics of the organic heterostructures based on the blend layer deposited by MAPLE. Thus, the lowest roughness (0.8 nm) and the best Hall mobility (41.9 cm²/Vˑs) were achieved for ITO coatings deposited on flexible glass substrate. Also, the highest current density value (9.3 × 10^− 4 A/cm² at 0.5 V) was reached for the organic heterostructures fabricated on this type of flexible substrate.

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ITO覆盖柔性衬底性质对激光沉积技术制备有机异质结构特性的影响

采用激光薄层沉积技术在柔性透明导电电极（TCE）上制备有机异质结构。采用柔性衬底，如柔性玻璃（FG）、聚醚砜（PES）、无定形聚对苯二甲酸乙二醇酯（PET-A）和双轴取向聚对苯二甲酸乙二醇酯（PET-B）来评估衬底类型对有机器件光学和电学特性的影响。为了比较，有机异质结构分别在刚性玻璃衬底和市售的氧化铟锡（ITO）涂层PET上制备。因此，通过脉冲激光沉积（PLD）在低通量下涂覆柔性和刚性玻璃基片，然后通过基质辅助脉冲激光蒸发（MAPLE）在TCE薄膜上沉积基于酞菁锌（ZnPc）和N， N ' -双-（1-十二烷基）苝-3,4,9,10四羧基二亚胺（AMC14）的共混层。研究表明，粗糙度和衬底类型对PLD沉积的ITO层的性能以及基于MAPLE沉积的共混层的有机异质结构的光学和电学特性有很大影响。因此，在柔性玻璃基板上沉积的ITO涂层获得了最低的粗糙度（0.8 nm）和最佳的霍尔迁移率（41.9 cm2/V / s）。此外，在这种柔性衬底上制备的有机异质结构达到了最高电流密度值（0.5 V时9.3 × 10−4 A/cm2）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Applied Physics A 工程技术-材料科学：综合

CiteScore

4.80

自引率

7.40%

发文量

964

审稿时长

38 days

期刊介绍： Applied Physics A publishes experimental and theoretical investigations in applied physics as regular articles, rapid communications, and invited papers. The distinguished 30-member Board of Editors reflects the interdisciplinary approach of the journal and ensures the highest quality of peer review.