Photoluminescence Properties of Poly(2-methoxy-5-octyloxy)1, 4-phenylenevinylene/Single-walled Carbon Nanotubes Composites

WU Guang-rong; ZHENG Jian-bang; QU Jun-rong; XU Jia-wei; WANG Xue-yan; CHAO Chong-de

doi:10.3788/fgxb20133410.1264

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Photoluminescence Properties of Poly(2-methoxy-5-octyloxy)1, 4-phenylenevinylene/Single-walled Carbon Nanotubes Composites

更新时间：2020-08-12

- Photoluminescence Properties of Poly(2-methoxy-5-octyloxy)1, 4-phenylenevinylene/Single-walled Carbon Nanotubes Composites
- Chinese Journal of Luminescence Vol. 34, Issue 10, Pages: 1264-1269(2013)
- 作者机构：
  
  西北工业大学应用物理系陕西省光信息技术重点实验室, 陕西西安 710072
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20133410.1264
  CLC： O482.31
- Received：04 June 2013，
  
  Revised：28 June 2013，
  
  Published：10 October 2013
- 稿件说明：
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吴广荣, 郑建邦, 屈俊荣, 徐佳伟, 王雪艳, 曹崇德. 聚(2-甲氧基-5-辛氧基)对苯乙炔/单壁碳纳米管复合材料的光致发光特性[J]. 发光学报, 2013,34(10): 1264-1269

WU Guang-rong, ZHENG Jian-bang, QU Jun-rong, XU Jia-wei, WANG Xue-yan, CHAO Chong-de. Photoluminescence Properties of Poly(2-methoxy-5-octyloxy)1, 4-phenylenevinylene/Single-walled Carbon Nanotubes Composites[J]. Chinese Journal of Luminescence, 2013,34(10): 1264-1269
吴广荣, 郑建邦, 屈俊荣, 徐佳伟, 王雪艳, 曹崇德. 聚(2-甲氧基-5-辛氧基)对苯乙炔/单壁碳纳米管复合材料的光致发光特性[J]. 发光学报, 2013,34(10): 1264-1269 DOI： 10.3788/fgxb20133410.1264.

WU Guang-rong, ZHENG Jian-bang, QU Jun-rong, XU Jia-wei, WANG Xue-yan, CHAO Chong-de. Photoluminescence Properties of Poly(2-methoxy-5-octyloxy)1, 4-phenylenevinylene/Single-walled Carbon Nanotubes Composites[J]. Chinese Journal of Luminescence, 2013,34(10): 1264-1269 DOI： 10.3788/fgxb20133410.1264.

摘要

采用原位聚合法在无水四氢呋喃(THF)溶液中制备了聚(2-甲氧基-5-辛氧基)对苯乙炔(MOPPV)/单壁碳纳米管(SWNTs)复合材料。通过对该复合材料的红外光谱、X射线衍射、透射电镜、扫描电镜等的研究

证实SWNTs 已聚合到MOPPV上且被MOPPV紧密有效地包覆

形成了纳米线网状结构。通过紫外-可见(UV-Vis) 吸收光谱和光致发光(PL)谱发现:随着SWNTs掺杂量的增加

该复合材料的吸收强度逐渐增强且最大吸收峰出现红移

其发光强度呈现先升高后降低的趋势

发光峰蓝移。当SWNTs掺杂质量分数为3.85%时

复合材料的发光强度最大

此时最大发光峰位较纯MOPPV蓝移8 nm。研究结果表明:在MOPPV 中掺入一定量的SWNTs

能有效地增强复合材料的光致发光强度。

Abstract

Poly(2-methoxy-5-octyloxy)1

4-phenylenevinylene(MOPPV)/single-walled carbon nanotubes (SWNTs) composites are prepared in anhydrous tetrahydrofuran(THF) solution by in-situ polymerization. The characteritics of MOPPV/SWNTs composites are investigated with infrared absorption spectroscopy

X-ray diffraction

transmission electron microscopy

and scanning electron microscopy. The results confirm that SWNTs are polymerized and closely cladded to MOPPV

forming the nanowire structure. The results of the UV-Vis absorption and photoluminescence spectra indicate that the absorption intensity of MOPPV/SWNTs composites is strengthened and the photoluminescence intensity firstly increases and then decreases with the increase of the contents of SWNTs

the red-shift of its absorption peak and the blue-shift of its emissive peak are observed with the increase of the contents of SWNTs. Especially

the highest photoluminescence intensity is obtained and the blue-shift of its emission peak is nearly 8 nm under 3.85% mass fraction of SWNTs. The results show that the doping of SWNTs can effectively enhance the photoluminescence intensity of MOPPV/SWNTs composites.

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references

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