Optical Properties of Thin Films of DNA-CTMA and DNA-CTMA Doped with Nile Blue

被引：25

作者：

Hebda, Edyta ^{[2
]}

Jancia, Malgorzata ^{[2
]}

Kajzar, Francois ^{[3
,4
]}

Niziol, Jacek ^{[1
]}

Pielichowski, Jan ^{[2
]}

Rau, Ileana ^{[3
]}

Tane, Alexandrine ^{[3
]}

机构：

[1] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, PL-30059 Krakow, Poland

[2] Krakow Tech Univ, Dept Chem & Technol Polymers, PL-31155 Krakow, Poland

[3] POLITEHNICA Univ Bucharest, Fac Appl Chem & Mat Sci, Bucharest, Romania

[4] Univ Angers, Inst Sci & Technol Mol Angers, MOLTECH Anjou, Equipe Interact Mol Opt Nonlineaire,UMR CNRS 6200, Angers, France

来源：

MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2012年 / 556卷

关键词：

Deoxyribonucleic acid; DNA-CTMA complex; negative thermal expansion; Nile Blue; refractive index dispersion; thermal dilatation; thin films;

D O I：

10.1080/15421406.2012.642734

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Refractive index dispersion of thin films of deoxyribonucleic acid (DNA)-surfactant (CTMA) and doped DNA-CTMA-Nile Blue (NB) (5 w%) complexes are reported and discussed. The thermal variation of the thin film thickness was measured by ellipsometry. The DNA-CTMA complex exhibits a rarely observed negative thermal expansion between room temperature and ca. 85 degrees C. Doping with NB decreases the temperature range of negative thermal expansion to between room temperature and ca. 70 degrees C. The dopping by 5 w% of NB lowers the absolute value of negative thermal expansion of DNA-CTMA system from 5% to 2% within this temperature range.

引用

页码：309 / 316

页数：8

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