Synthesis of Vertical Organic Microwires and Their Optical Properties

CUI Qiu-hong; HOU Yan-bing; TENG Feng

doi:10.3788/fgxb20173806.0709

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Synthesis of Vertical Organic Microwires and Their Optical Properties

更新时间：2020-08-12

- Synthesis of Vertical Organic Microwires and Their Optical Properties
- Chinese Journal of Luminescence Vol. 38, Issue 6, Pages: 709-714(2017)
- 作者机构：
  
  北京交通大学理学院光电子技术研究所北京,100044
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20173806.0709
  CLC： O484.4
- Received：14 March 2017，
  
  Revised：17 April 2017，
  
  Published：05 June 2017
- 稿件说明：
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崔秋红, 侯延冰, 滕枫. 竖直生长有机单晶微米线的制备及其光波导性能[J]. 发光学报, 2017,38(6): 709-714

CUI Qiu-hong, HOU Yan-bing, TENG Feng. Synthesis of Vertical Organic Microwires and Their Optical Properties[J]. Chinese Journal of Luminescence, 2017,38(6): 709-714
崔秋红, 侯延冰, 滕枫. 竖直生长有机单晶微米线的制备及其光波导性能[J]. 发光学报, 2017,38(6): 709-714 DOI： 10.3788/fgxb20173806.0709.

CUI Qiu-hong, HOU Yan-bing, TENG Feng. Synthesis of Vertical Organic Microwires and Their Optical Properties[J]. Chinese Journal of Luminescence, 2017,38(6): 709-714 DOI： 10.3788/fgxb20173806.0709.

摘要

利用物理气相沉积法来制备有机微米线，并根据气相沉积中基底表面对材料的成核与生长动力学的影响规律，通过对基底表面的亲水处理，来控制微米线的成核过程，从而实现了微米线有序阵列的制备，进而研究了垂直微米线的光波导性能。与水平生长的微米线相比，垂直生长的微米线波导性能更高，光损耗小，损耗系数

为0.029 dB m

-1

，明显低于平躺的微米线（

=0.033 dB m

-1

）。

Abstract

-conjugated semiconductor 9

10-bis(phenylethynyl) anthracene (BPEA) was chosen to synthesize single-crystal microwire arrays by the physical vapor transport (PVT) technique. The intermediate products were observed at different stages of the vapor transport in order to investigate the growth mechanism. The fabricated BPEA microwires can serve as the active optical waveguides that allow the locally excited photoluminescence to propagate along the length of the wires. Compared with that of the flat-lying microwire (

=0.033 dB m

-1

)

the optical-loss coefficient (

) of vertical BPEA wire is smaller (0.029 dB m

-1

)

demonstrating lower waveguide loss.

关键词

Keywords

references

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