有机芳香烃掺杂控制C60微/纳米晶形貌和发光

刘德弟; 齐志华; 于乃森; 何洋洋; 刘东平; 刘冰冰

doi:10.3788/fgxb20153604.0395

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有机芳香烃掺杂控制C₆₀微/纳米晶形貌和发光

材料合成及性能 | 更新时间：2020-08-12

- 有机芳香烃掺杂控制C₆₀微/纳米晶形貌和发光
- Control of Morphologies and Luminescence Properties of C₆₀ Nano/Microcrystals by The Introduction of Different Organic Solvents
- 发光学报 2015年36卷第4期页码：395-399
- 作者机构：
  
  1. 吉林大学超硬材料国家重点实验室,吉林长春,130012
  2. 大连民族大学物理与材料工程学院,辽宁大连,116600
- 作者简介：
- 基金信息：
  
  国家自然科学基金(11204025)();中央高校基本科研业务费专项资金(DC201502080404)资助项目()
- DOI：10.3788/fgxb20153604.0395
  中图分类号： O469;O482.31
- 纸质出版日期：2015-4-3，
  
  收稿日期：2014-12-25，
  
  修回日期：2015-2-4，
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刘德弟, 齐志华, 于乃森等. 有机芳香烃掺杂控制C60微/纳米晶形貌和发光[J]. 发光学报, 2015,36(4): 395-399

LIU De-di, QI Zhi-hua, YU Nai-sen etc. Control of Morphologies and Luminescence Properties of C60 Nano/Microcrystals by The Introduction of Different Organic Solvents[J]. Chinese Journal of Luminescence, 2015,36(4): 395-399
刘德弟, 齐志华, 于乃森等. 有机芳香烃掺杂控制C60微/纳米晶形貌和发光[J]. 发光学报, 2015,36(4): 395-399 DOI： 10.3788/fgxb20153604.0395.

LIU De-di, QI Zhi-hua, YU Nai-sen etc. Control of Morphologies and Luminescence Properties of C60 Nano/Microcrystals by The Introduction of Different Organic Solvents[J]. Chinese Journal of Luminescence, 2015,36(4): 395-399 DOI： 10.3788/fgxb20153604.0395.

摘要

高度的分子对称性使其能带间的电子跃迁被禁止

导致其发光很弱。为了提高C

纳米晶的发光强度

采用挥发C

的芳香烃饱和溶液的方法

一步合成了芳香烃溶剂化的C

纳米晶。实验结果表明

有机溶剂的掺杂在不同程度上增强了C

纳米晶的发光

其原因可能是溶剂的掺杂破坏了C

的高度的分子对称性。

Abstract

The luminescence intensity of initial fullerene is very low because of its high molecular symmetry. The key point to enhance the luminescence intensity of fullerene is to lower the molecular symmetry of fullerene

which could make the forbidden bands transition allowed. Herein

nano/microcrystals were synthesized by the evaporation of C

saturated solution in

-xylene

3-trichlorobenzene

4-trichlorobenzene

and 1

5-trichlorobenzene. The structures of C

nanocrystals were controlled and their PL intensities were also highly enhanced by the introduction of different solvent.

关键词

富勒烯光致发光有机溶剂掺杂纳米晶

Keywords

fullerenephotoluminescenceorganic solventdopingnanocrystal

references

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Geng J F, Zhou W Z, Skelton P, et al. Crystal structure and growth mechanism of unusually long fullerene (C60) nanowires [J]. J. Am. Chem. Soc., 2008, 130:2527-2534.

Sathish M, Miyazawa K. Size-tunable hexagonal fullerene (C60) nanosheets at the liquid-liquid interface [J]. J. Am. Chem. Soc., 2007, 129:13816-13817.

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Bethune D S, Meijer G, Tang W C, et al. The vibrational Raman spectra of purified solid films of C60 and C70 [J]. Chem. Phys. Lett., 1990, 174:219-222.

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Capozzi V, Trovato T, Berger H, et al. Photoluminescence spectra of C60 thin films deposited on different substrates [J]. Carbon, 1997, 35:763-766.

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