MATEC Web of Conferences
Volume 4, 2013ICOMF14 – 14th International Conference on Organized Molecular Films (LB 14)
|Number of page(s)||4|
|Section||Polymers at Interfaces and Multilayers|
|Published online||13 August 2013|
Fully automatic spray-LBL machine with monitoring the real time growth of multilayer films using Quartz Crystal Microbalance
School of Integrated Design Engineering, Keio University, Yokohama 223-8522, Japan
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A fully automatic spray-LBL machine with monitoring the real time growth of multilayer films using Quartz Crystal Microbalance (QCM) techniques was newly developed. We established fully automatic spray layer-by-layer method by precisely controlling air pressure, solution flow, and spray pattern. The movement pattern towards the substrate during solution spraying allowed fabrication of a nano-scale, flat, thin film over a wide area. Optimization of spray conditions permitted fabrication of the flat film with high and low refractive indexes, and they were piled up alternatively to constitute a one-dimensional photonic crystal with near-infrared reflection characteristics. The heat shield effect of the near-infrared reflective film was also confirmed under natural sunlight. It was demonstrated that the fabrication using the automatic spray-LBL machine and real-time QCM monitoring allows the fabrication of optical quality thin films with precise thickness.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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