Tailoring Chitosan Nanocomposites for Planar Optical Waveguide Applications

被引：4

作者：

Ahmed, Eman H. ^{[1
]}

Hashem, Ahmed, I ^{[2
]}

Adlung, Matthias ^{[3
]}

Wickleder, Claudia ^{[3
]}

Ayoub, Magdy M. H. ^{[1
]}

Battisha, Inas K. ^{[4
]}

Amin, Amal ^{[1
]}

机构：

[1] Natl Res Ctr NRC, Polymers & Pigments Dept, Dokki 12622, Egypt

[2] Ain Shams Univ, Fac Sci, Chem Dept, Cairo, Egypt

[3] Univ Siegen, Fac Sci & Technol, Inorgan Chem, Siegen, Germany

[4] Natl Res Ctr NRC, Solid State Phys Dept, Dokki 12622, Egypt

来源：

POLYMER SCIENCE SERIES A | 2022年 / 64卷 / 04期

关键词：

SOL-GEL; SILICA; IMMOBILIZATION; NANOPARTICLES; POLYMERS; REMOVAL; COMPLEX;

D O I：

10.1134/S0965545X22700122

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An integrated photonic chitosan optical sensor was obtained via preparation of chitosan-based silica-phosphate nano-composites doped with 1 mol % of Er3+ ions using sol gel technique. The prepared nano-composites were investigated by using the Fourier transform infrared (FTIR) and the X-ray diffraction (XRD). The morphology of the prepared nano-composites was determined by field emission scanning electron microscopy (FESEM) and high-resolution transmission electron microscopy (HRTEM). The near infrared (NIR) luminescence spectra results indicated the presence of I-4(13/2) -> I-4(15/2) transition for Er3+ ions at about 1.54 mu m confirming that the chitosan-based silica-phosphate/Er3+ nano-composites are promising candidates for planar wave guide applications in the NIR region.

引用

页码：342 / 353

页数：12

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