| Issue |
MATEC Web of Conferences
Volume 4, 2013
ICOMF14 – 14th International Conference on Organized Molecular Films (LB 14)
|
|
|---|---|---|
| Article Number | 03003 | |
| Number of page(s) | 4 | |
| Section | Polymers at Interfaces and Multilayers | |
| DOI | https://doi.org/10.1051/matecconf/20130403003 | |
| 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
* e-mail: shiratori@appi.keio.ac.jp
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
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