零维锑基有机-无机杂化氯化物的自陷态激子发光及其发光二极管

蔡培庆; 滕嵘驭; 张帝; 王淞; 占宇鑫; 王祥夫; 司俊杰; 姚鑫; 艾琦; 刘祖刚

doi:10.37188/CJL.20210318

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零维锑基有机-无机杂化氯化物的自陷态激子发光及其发光二极管

器件制备及器件物理 | 更新时间：2022-01-14

- 零维锑基有机-无机杂化氯化物的自陷态激子发光及其发光二极管
  增强出版
- Self-trapped Exciton Luminescence and Light-emitting-diodes Based on Zero-dimensional Organic-inorganic Hybrid Antimony Chloride
- 发光学报 2022年43卷第1期页码：94-102
- 作者机构：
  
  1.中国计量大学　光学与电子科技学院，浙江　杭州　310000
  2.南京邮电大学　电子与光学工程学院，微电子学院，江苏　南京　210023
- 作者简介：
  
  蔡培庆(1991-)，男，江苏盐城人，博士，讲师，2018年于韩国釜庆大学获得博士学位，主要从事过渡金属发光材料与金属卤化物发光器件的研究。E-mail: pqcai@cjlu.edu.cn
  王祥夫(1979-)，男，山东邹城人，博士，副教授，2012年于南京航空航天大学获得博士学位，主要从事稀土掺杂发光玻璃和柔性电子传感器件的研究。E-mail: xfwang@njupt.edu.cn
  刘祖刚(1961-)，男，湖北孝感人，博士，教授，1992年于厦门大学获得博士学位，主要从事印刷OLED、QLED、CIGS太阳能电池等印刷光电子学的研究。E-mail: zgliu78@cjlu.edu.cn
- 基金信息：
  
  国家自然科学基金(11904345;61905230;52072355;52103241);浙江省自然科学基金(LQ19F040004)
- DOI：10.37188/CJL.20210318
  中图分类号： O482.31;TN383⁺.1
- 收稿：2021-10-06，
  
  修回：2021-10-25，
  
  纸质出版：2022-01
- 稿件说明：
移动端阅览
蔡培庆, 滕嵘驭, 张帝, 等. 零维锑基有机-无机杂化氯化物的自陷态激子发光及其发光二极管[J]. 发光学报, 2022,43(1):94-102.

Pei-qing CAI, Rong-yu TENG, Di ZHANG, et al. Self-trapped Exciton Luminescence and Light-emitting-diodes Based on Zero-dimensional Organic-inorganic Hybrid Antimony Chloride[J]. Chinese Journal of Luminescence, 2022, 43(1): 94-102.
蔡培庆, 滕嵘驭, 张帝, 等. 零维锑基有机-无机杂化氯化物的自陷态激子发光及其发光二极管[J]. 发光学报, 2022,43(1):94-102. DOI： 10.37188/CJL.20210318.

Pei-qing CAI, Rong-yu TENG, Di ZHANG, et al. Self-trapped Exciton Luminescence and Light-emitting-diodes Based on Zero-dimensional Organic-inorganic Hybrid Antimony Chloride[J]. Chinese Journal of Luminescence, 2022, 43(1): 94-102. DOI： 10.37188/CJL.20210318.

摘要

新兴的零维金属卤化物材料由于其优异的光电性能，近期引起了研究者们的特别关注。本文使用反溶剂法和旋涂法分别制备了零维金属卤化物四苯基膦氯化锑[(C

)

]

SbCl

的发光材料和器件，通过稳态激发/发射光谱、瞬态光谱对其发光性能进行了研究。研究结果表明，在紫外光激发下，[(C

)

]

SbCl

可以发出明亮的橙红光，这种橙红光源于零维限域作用下的自陷态激子三重态发光。变温光致发光(PL)和衰减寿命研究表明该物质具有600 meV左右的热激活能，抗热猝灭性能较强。通过优化器件结构，引入聚[双(4-苯基)(4-丁基苯基)胺

]

(Poly-TPD)作为空穴传输层，通过混合Poly-TPD的荧光发射和[(C

)

]

SbCl

的自陷激子发光，获得了在6 V偏压下126 cd/m

的暖白光电致发光器件。本工作对溶液法加工无铅金属卤化合物电致发光器件的进程具有一定的推动作用。

Abstract

The emerging of the zero-dimensional metal halide materials has attracted great attention of researchers due to their excellent photoelectric properties. Herein

the luminescent material and device based on zero-dimensional metal halide tetraphenylphosphonium antimony chloride [(C

)

]

SbCl

were prepared by anti-solvent method and spin-coating method

respectively. The optoelectronic properties of [(C

)

]

SbCl

were investigated by excitation spectra

emission spectra

and time-resolved spectra. The results s

how that [(C

)

]

SbCl

can emit bright orange-red emission under the ultraviolet excitation. This orange-red emission originates from the triplet self-trapped exciton induced by the zero-dimensional spatial confinement. Temperature dependent PL and decay lifetime studies reveal that the material has a thermal activation energy with the value of ~600 meV

thus it has favorable anti-thermal quenching effect. By optimizing the device structure and introducing poly [bis(4-phenyl)(4-butylphenyl)amine

]

(Poly-TPD) as a hole transport layer

the warm white emission by mixing the fluorescence emission of Poly-TPD and the self-trapped exciton emission of [(C

)

]

SbCl

was obtained with a brightness of 126 cd/m

under a bias of 6 V. This work provides an alternative approach for the development of the manufacture of lead-free metal halide electroluminescent devices by solution method.

关键词

Keywords

references

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