Photo- and Electro-luminescence of PANI/ZnO Nanowire Film for Light-emitting Layer of Flexible Optoelectronic Devices

HE Ying; PAN Zhao-dong; ZHANG Yao-fei; ZHU Di; CHEN Jie; WANG Jun-an

doi:10.3788/fgxb20123302.0201

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Photo- and Electro-luminescence of PANI/ZnO Nanowire Film for Light-emitting Layer of Flexible Optoelectronic Devices

paper | 更新时间：2020-08-12

- Photo- and Electro-luminescence of PANI/ZnO Nanowire Film for Light-emitting Layer of Flexible Optoelectronic Devices
- Chinese Journal of Luminescence Vol. 33, Issue 2, Pages: 201-205(2012)
- 作者机构：
  
  1. 上海大学材料科学与工程学院高分子材料系上海,200072
  2. 上海大学材料科学与工程学院材料研究所上海,200072
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20123302.0201
  CLC： TN383+.1
- Received：04 November 2011，
  
  Revised：24 November 2011，
  
  Published Online：10 February 2012，
  
  Published：10 February 2012
- 稿件说明：
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贺英, 潘照东, 张瑶斐, 朱棣, 陈杰, 王均安. 聚苯胺/ZnO纳米线薄膜材料作为发光层的柔性光电器件及其发光机理[J]. 发光学报, 2012,33(2): 201-205

HE Ying, PAN Zhao-dong, ZHANG Yao-fei, ZHU Di, CHEN Jie, WANG Jun-an. Photo- and Electro-luminescence of PANI/ZnO Nanowire Film for Light-emitting Layer of Flexible Optoelectronic Devices[J]. Chinese Journal of Luminescence, 2012,33(2): 201-205
贺英, 潘照东, 张瑶斐, 朱棣, 陈杰, 王均安. 聚苯胺/ZnO纳米线薄膜材料作为发光层的柔性光电器件及其发光机理[J]. 发光学报, 2012,33(2): 201-205 DOI： 10.3788/fgxb20123302.0201.

HE Ying, PAN Zhao-dong, ZHANG Yao-fei, ZHU Di, CHEN Jie, WANG Jun-an. Photo- and Electro-luminescence of PANI/ZnO Nanowire Film for Light-emitting Layer of Flexible Optoelectronic Devices[J]. Chinese Journal of Luminescence, 2012,33(2): 201-205 DOI： 10.3788/fgxb20123302.0201.

摘要

综合氧化锌纳米线(ZnO NWs)的光学活性与聚苯胺(PANI)的空穴传输特性

设计并制备了一种聚合物/ZnO纳米线电致发光材料

并对其发光特性进行了研究。通过高分子络合软模板法

将有序的单晶ZnO NWs均匀生长在覆有铟锡氧化物(ITO)涂层的柔性聚乙烯对苯二甲酸乙二醇酯(PET)衬底上并嵌入PANI薄膜

获得了电致发光薄膜材料和有机/无机异质结实验器件ITO/(ZnO NWs-PANI)。有机/无机异质结器件电致发光可调

在相对低的开启电压下呈现室温蓝紫外发光

并且ZnO NWs表面覆盖PANI增加了蓝紫外发光的强度和稳定性;而无PANI的ZnO NWs阵列具有450 nm处的缺陷发射峰

这可能是电子从扩展态锌间隙Zn

到价带的跃迁引起的。这些结果表明

基于PANI/ZnO纳米线的复合材料在柔性光电器件方面的应用极具潜力。

Abstract

ith the combination of optical activity of ZnO nanowires and the hole-transporting characteristics of polyaniline(PANI)

a flexible light-emitting diode based on PANI /ZnO nanowire film was designed and prepared

and luminescence properties were discussed. By our simple polymer-assisted growth method

the ordered single-crystalline ZnO nanowires were uniformly distributed on flexible polyethylene terephthalate(PET)-based indium-tin-oxide-coated substrates.The array of ZnO nanowires grown on PET substrate was successfully embedded in a polyaniline thin film

through which a PANI/ZnO nanowire film and a hybrid device of organic-inorganic hetero-junction of ITO/(ZnO nanowires-PANI) were obtained. The photo- and electroluminescence results show that the hybrid device of organic-inorganic hetero-junction is of tunable electroluminescence and emits ultraviolet at relatively low turn-on voltage; surface capping with PANI on ZnO nanowires enhances ultraviolet emission and reduces defect-related emission at 450 nm of bare ZnO nanowire array

which is attributed to electron transitions from the extended state Zn

to the valance band. The results also indicate that PANI/ZnO nanowire film has a great potential for application in flexible optoelectronic devices.

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references

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