气相沉积法制备均苯四甲酸二酰亚胺纳米材料及传感应用

张海容; 高登辉; 李志英; 张丽霞

doi:10.3788/fgxb20183902.0134

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气相沉积法制备均苯四甲酸二酰亚胺纳米材料及传感应用

材料合成及性能 | 更新时间：2020-08-12

- 气相沉积法制备均苯四甲酸二酰亚胺纳米材料及传感应用
- Fabrication of Pyromellitic Diimide Nanomaterials by Vapor Phase Deposition Method and Its Sensing Application
- 发光学报 2018年39卷第2期页码：134-139
- 作者机构：
  
  忻州师范学院生化分析技术研究所,山西忻州,034000
- 作者简介：
- 基金信息：
  
  山西省自然科学基金（201601D02024）();山西省高等学校大学生创新创业计划（2017384）资助项目()
- DOI：10.3788/fgxb20183902.0134
  中图分类号： O482.31
- 纸质出版日期：2018-2-5，
  
  网络出版日期：2017-8-16，
  
  收稿日期：2017-5-22，
  
  修回日期：2017-7-14，
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张海容, 高登辉, 李志英等. 气相沉积法制备均苯四甲酸二酰亚胺纳米材料及传感应用[J]. 发光学报, 2018,39(2): 134-139

ZHANG Hai-rong, GAO Deng-hui, LI Zhi-ying etc. Fabrication of Pyromellitic Diimide Nanomaterials by Vapor Phase Deposition Method and Its Sensing Application[J]. Chinese Journal of Luminescence, 2018,39(2): 134-139
张海容, 高登辉, 李志英等. 气相沉积法制备均苯四甲酸二酰亚胺纳米材料及传感应用[J]. 发光学报, 2018,39(2): 134-139 DOI： 10.3788/fgxb20183902.0134.

ZHANG Hai-rong, GAO Deng-hui, LI Zhi-ying etc. Fabrication of Pyromellitic Diimide Nanomaterials by Vapor Phase Deposition Method and Its Sensing Application[J]. Chinese Journal of Luminescence, 2018,39(2): 134-139 DOI： 10.3788/fgxb20183902.0134.

摘要

以均苯四甲酸二酰亚胺（PMD）为原料，采用真空气相沉积法制得PMD纳米自组装材料，由此建立了测定三硝基甲烷的荧光化学传感新方法。采用真空气相沉积法自组装PMD纳米材料，并用扫描电镜、透射电镜、红外光谱、紫外光谱、差热分析及荧光光谱对材料进行了表征。扫描电镜图像显示，PMD纳米材料呈带状网络结构，长度为30~100 m；TEM图像表明，PMD纳米带宽度为100~300 nm，其中纳米线直径为120~220 nm。在PMD分子自组装过程中，分子间氢键、-等弱相互作用是构筑纳米结构的主要驱动力。一些较低沸点有机分子蒸汽对PMD纳米材料的荧光（

=377 nm/495 nm）有猝灭作用，尤其是PMD纳米材料对三硝基甲烷有灵敏的响应。测定三硝基甲烷的线性范围为2.1910

-5

~1.3710

-4

mol/L，

=0.995，检出限为1.0210

-6

mol/L。

Abstract

Pyromellitic diimide(PMD) nanomaterial was prepared by vacuum vapor deposition and molecular self-assembly method using PMD as raw material. A new method for determination of trinitromethane was established by fluorescence chemical sensor. The properties of PMD nanomaterials synthesized by vacuum vapor deposition method were characterized by scanning electron microscopy

transmission electron microscopy

infrared spectroscopy

UV spectroscopy

differential thermal analysis and fluorescence spectroscopy. The scanning electron microscopy (SEM) results show that the PMD nanomaterial has a banding network with a length of 30-100 m. TEM images show that the PMD nanobelts have a width of 100-300 nm

and the nanowires have a diameter of 120-220 nm. The main driving force for constructing the nanostructures of PMD in the self-assembly process is from the intermolecular hydrogen bonds and - weak interaction. The experiments show that some of the lower boiling organic molecules have a strong effect on the fluorescence quenching of PMD nanomaterials

especially trinitromethane does a sensitive response to PMD nanostructures. The linear range of trinitromethane is from 2.1910

-5

to 1.3710

-4

mol/L(

=0.995) with the detection limit of 1.0210

-6

mol/L.

关键词

均苯四甲酸二酰亚胺气相沉积法分子自组装纳米传感器三硝基甲烷

Keywords

pyromellitic diimidevacuum vapor deposition methodmolecular self-assemblenanochemical sensortrinitromethane

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