STRUCTURAL, MORPHOLOGICAL AND OPTICAL PROPERTIES OF THE THIN FILMS BASED ON SILVER-SILICA MATERIALS

被引：0

作者：

Purcar, Violeta ^{[1
]}

Raditoiu, Valentin ^{[1
]}

Raditoiu, Alina ^{[1
]}

Raduly, Florentina Monica ^{[1
]}

Caprarescu, Simona ^{[2
]}

Ispas, Georgiana Cornelia ^{[1
]}

Nicolae, Cristian-Andi ^{[1
]}

Anastasescu, Mihai ^{[3
]}

机构：

[1] Natl Inst Res & Dev Chem & Petrochem ICECHIM, Splaiul Independentei 202,6th Dist, Bucharest 060021, Romania

[2] Univ Politehn Bucuresti, Fac Appl Chem & Mat Sci, Dept Inorgan Chem Phys Chem & Electrochem, Ghe Polizu St 1-7, Bucharest 011061, Romania

[3] Romanian Acad, Inst Phys Chem Ilie Murgulescu, Splaiul Independentei 202,6th Dist, Bucharest 060021, Romania

来源：

ROMANIAN JOURNAL OF PHYSICS | 2022年 / 67卷 / 1-2期

关键词：

thin film; FTIR; optical analysis; LOW REFRACTIVE-INDEX; ANTIREFLECTIVE COATINGS; NANOPARTICLES; SURFACE; SIO2; PARTICLES; ROBUST; LAYER;

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Silver-silica materials were prepared by acid-catalyzed sol-gel process and placed onto glass substrates in order to realize thin films. The structural, morphological and optical properties of obtained materials were characterized through Fourier Transform Infrared Spectroscopy (FTIR), UV-Vis Spectroscopy, Thermogravimetric Analysis (TGA) and Atomic Force Microscopy (AFM) analysis. FTIR spectra indicated that the silver-silica materials have been successfully modified with organofunctional groups. It was found that the thin films exhibited anti-reflective performance (similar to 10%). The UV-visible spectra of all thin films reveal that these coatings were transparent. The presence of the band recorded at similar to 400 nm indicated the successful formation of silver nanoparticles within the silica thin films. AFM results showed that the surface morphology can be changed as function of AgNO3 solution added during the formation of silica matrix. The final materials could be used for improving the efficiency of the solar cell.

引用

页数：11

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