Keziban Can, Mustafa Ozmen, L. Gurfidan, I. H. Gubbuk, E. Kaymak, M. Ersoz, Z. Ozbek, R. Çapan
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Fabrication of octyltriethoxysilane Langmuir-Blodgett thin film
In the present work the monolayer properties at the air-water interface of Octyltriethoxysilane (C 8 TES) molecules are investigated using Langmuir isotherm graphs. Uniform and high quality Langmuir-Blodgett films of these molecules are prepared and characterized by UV-visible, atomic force microscopy and quartz crystal microbalance measurements to determine the deposition quality of these films. High transfer ratio of about 0.99 at a deposition pressure of 11 mN/m was obtained. The contact angle of water was 93.17° with a surface free energy of 23.8 mN/m. The use of soluble triethoxybased silane coupling agents under anhydrous conditions is shown to produce surfaces with a minimal number of surface defects. C 8 TES material has been demonstrated to produce well organised LB films and is shown to be a good candidate for application in the field of biosensors.
期刊介绍:
The Journal of Optoelectronics and Advanced Materials (J. Optoelectron. Adv. M.) appears with 12 issues per year and publishes papers in the field of optoelectronics, photonics, and new advanced materials (nonlinear optical materials, crystalline and non-crystalline materials, nano-structured materials, magnetic materials, functional and smart materials, materials based on polymers, biomaterials) of relevance for optoelectronics and photonics.