An easy approach to fabricating HgS/chitosan nanocomposite films and their ability to sense triethylamine
-
Shan Wang
and
Minyan Zheng
Abstract
A chitosan (CS)–HgS nanocomposite was synthesized by a simulating biomineralization method. The effect of HgS nanoparticles on the physical properties of the composite was studied by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). The glass transition temperature (Tg) of the composite was 22°C higher than that of CS. The thermal stability of the composite was higher than that of CS, which was evidenced by the shift of onset temperature of degradation by 22°C as measured by DSC. The SEM image of the HgS/CS nanocomposite film shows that the nanoparticle size was 100 nm. The fluorescence emission of nanocomposite films was found to be very sensitive to the presence of triethylamine; even a small amount of triethylamine dramatically increased emissions. By contrast, emission was hardly affected by other common ions in water. The films are predicted to have the potential to be developed into excellent sensing films for triethylamine.
Acknowledgments
The authors are grateful for the financial support given by the Shaanxi Province (2013JK0643), and the Scholarship Council of the People’s Republic of China (grant 21102121, 201210722004).
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Articles in the same Issue
- Frontmatter
- Review
- Organic semiconductors for device applications: current trends and future prospects
- Original articles
- An easy approach to fabricating HgS/chitosan nanocomposite films and their ability to sense triethylamine
- Changes in morphology and optical properties of polyvinyl alcohol foils induced by Congo red dye concentration and stretching degree
- Parameters characterizing the kinetics of the non-isothermal crystallization of polyamide 5,6 determined by differential scanning calorimetry
- Fabrication and modification of mixed matrix polyvinylchloride based heterogeneous cation exchange membrane by Ag nanolayer/plasma treatment: investigation of nanolayer deposition rate effect
- Performance study of polyurethane/silicon carbide composite repairing asphalt pavements
- Effect of different amounts of modified talc on the mechanical, thermal, and crystallization properties of poly(butylene succinate)
Articles in the same Issue
- Frontmatter
- Review
- Organic semiconductors for device applications: current trends and future prospects
- Original articles
- An easy approach to fabricating HgS/chitosan nanocomposite films and their ability to sense triethylamine
- Changes in morphology and optical properties of polyvinyl alcohol foils induced by Congo red dye concentration and stretching degree
- Parameters characterizing the kinetics of the non-isothermal crystallization of polyamide 5,6 determined by differential scanning calorimetry
- Fabrication and modification of mixed matrix polyvinylchloride based heterogeneous cation exchange membrane by Ag nanolayer/plasma treatment: investigation of nanolayer deposition rate effect
- Performance study of polyurethane/silicon carbide composite repairing asphalt pavements
- Effect of different amounts of modified talc on the mechanical, thermal, and crystallization properties of poly(butylene succinate)
