光学PMMA/ZIF-8混合基质膜的制备及性能表征

魏树立; 邹杰; 海舰航; 王瑾

doi:10.13756/j.gtxyj.2025.240061

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光学PMMA/ZIF-8混合基质膜的制备及性能表征

光电器件研究与应用 | 更新时间：2025-06-18

- 光学PMMA/ZIF-8混合基质膜的制备及性能表征
- Preparation and Optical Properties Characterization of PMMA/ZIF-8 Mixed Matrix Membrane
- 光通信研究 2025年第3期
- 作者机构：
  
  南京邮电大学　通信与信息工程学院，南京　 210003
- 作者简介：
  
  魏树立（1999-），男，江苏苏州人。硕士，主要研究方向为聚合物/金属有机框架混合基质膜。
  王瑾，教授。E-mail：jinwang@njupt.edu.cn
- 基金信息：
  
  国家自然科学基金资助项目(61575096)
- DOI：10.13756/j.gtxyj.2025.240061
  中图分类号： TN929
- 收稿日期：2024-03-19，
  
  修回日期：2024-04-02，
  
  纸质出版日期：2025-06-10
- 稿件说明：
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魏树立，邹杰，海舰航，等. 光学PMMA/ZIF-8混合基质膜的制备及性能表征[J]. 光通信研究，2025(3): 240061.

Wei S L, Zou J, Hai J H, et al. Preparation and Optical Properties Characterization of PMMA/ZIF-8 Mixed Matrix Membrane[J]. Study on Optical Communications, 2025(3): 240061.
魏树立，邹杰，海舰航，等. 光学PMMA/ZIF-8混合基质膜的制备及性能表征[J]. 光通信研究，2025(3): 240061. DOI： 10.13756/j.gtxyj.2025.240061.

Wei S L, Zou J, Hai J H, et al. Preparation and Optical Properties Characterization of PMMA/ZIF-8 Mixed Matrix Membrane[J]. Study on Optical Communications, 2025(3): 240061. DOI： 10.13756/j.gtxyj.2025.240061.

摘要

【目的】

金属有机框架（MOF）材料具有较高的比表面积和孔隙率。将MOF材料掺入聚合物基质而获得的聚合物/MOF混合基质膜（MMMs）可以提高聚合物膜在气体分离、催化和传感等应用上的性能。为了进一步发掘聚合物/MOF MMMs在光学及光波导器件方面的应用潜力，对其光学特性进行深入研究是非常必要的。

【方法】

文章首先采用溶剂热法制备了纳米沸石咪唑骨架（ZIF）-8颗粒，并将ZIF-8颗粒作为填充材料在甲醇中溶解；接着与甲基丙烯酸甲酯（MMA）单体溶液混合并通过原位聚合生成聚甲基丙烯酸甲酯（PMMA）而得到混合溶液；最后将混合溶液旋涂制备了PMMA/ZIF-8 MMM，其中通过改变ZIF-8的含量来获得不同负载量的MMMs。采用X射线衍射仪、傅里叶变换红外（FTIR）光谱仪、扫描电子显微镜（SEM）、紫外-可见-近红外分光光度计和棱镜耦合仪对所制备样品的结构、形貌、光学透过率、折射率和光学损耗等进行了表征分析。

【结果】

结果表明，制备的ZIF-8结晶度良好，尺寸均匀；而且，ZIF-8在PMMA基质中晶体结构完好，分散均匀；MMMs透过率良好。此外，随着ZIF-8负载量的增加，MMMs的折射率有所提高而光学损耗有所降低。

【结论】

文章所提方案制备的PMMA/ZIF-8 MMM

是一种光学性能优异的复合材料。该方案对MMMs的制备、其光学性能的调控及其在波导器件方面的应用的拓宽具有一定的参考价值。

Abstract

【Objective】

Metal-organic Framework (MOF) materials are characterized by their high specific surface area and porosity. When MOF materials are incorporated into a polymer matrix to form polymer/MOF Mixed Matrix Membranes (MMMs)

the resulting composite can enhance the performance of polymer membranes in various applications such as gas separation

catalysis

and sensing. To explore the potential applications of polymer/MOF MMMs in optics and optical waveguide devices

it is essential to conduct an in-depth investigation of their optical properties.

【Methods】

In this study

nano-sized Zeolite Imidazolate Framework (ZIF)-8 particles were initially synthesized using the solvothermal method and subsequently dispersed in methanol as the filler material. A mixed solution was then prepared by combining the ZIF-8 dispersion with a Methyl Methacrylate (MMA) monomer solution. Polymethyl Methacrylate (PMMA) was generated through in-situ polymerization of this mixture. The PMMA/ZIF-8 MMMs were fabricated by spin-coating the mixed solution

with different loadings of ZIF-8 achieved by varying the amount of ZIF-8 particles added. The structure

morphology

optical transmittance

refractive index

and optical loss of the resulting samples were characterized using X-ray diffraction

Fourier-Transform Infrared (FTIR) Spectroscopy

Scanning Electron Microscopy (SEM)

UV-visible-near-infrared spectroscopy

and prism coupling techniques.

【Results】

The results demonstrate that the synthesized ZIF-8 particles exhibit high crystallinity and uniform size distribution. Furthermore

the ZIF-8 particles maintain an intact crystal structure and are uniformly dispersed within the PMMA matrix. The resulting MMMs possess good optical transmittance. Additionally

as the loading amount of ZIF-8 increases

the refractive index of the MMMs rises

while their optical loss decreases.

【Conclusion】

The PMMA/ZIF-8 MMMs developed in this study is a composite material that exhibits outstanding optical properties. This research provides valuable insights for the preparation of MMMs

the modulation of their optical characteristics

and the expansion of their applications in waveguide devices.

关键词

Keywords

references

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