A STATISTICAL TAGUCHI METHOD STUDY FOR GRAPHENE OXIDE-TITANIUM OXIDE (GO-TiO₂) THIN FILM COATING ON GLASS SUBSTRATES USING THE SPIN COATING METHOD

Year 2024, Volume: 10 Issue: 2, 59 - 67, 31.12.2024

İbrahim Fırat Balkaya , Nevin Atalay Gengeç , Harun Mindivan

https://doi.org/10.22531/muglajsci.1548897

Abstract

In this study, the process of coating graphene oxide-titanium oxide (GO-TiO2) composite thin films onto a glass substrate using the spin coating method was investigated using the Taguchi experimental design approach. The effects of parameters such as spin coating speed (SCR), spin coating time (SCT), dispersion amount (V), and glass substrate plasma treatment time (PLS T) on coating performance were evaluated, and the optimal coating conditions were determined. Signal-to-noise (S/N) ratios were calculated based on the equilibrium contact angles using the L16 orthogonal array experimental design. Stable and high pure water equilibrium contact angle (CA: θe) was identified as the criterion for successful coating. Characterization was performed using X-ray Diffraction (XRD), optical microscopy, Scanning Electron Microscopy (SEM), a four-point probe conductivity measurement device, and an optical contact angle measuring instrument. The optimal coating conditions were determined using the statistical Taguchi method with Pareto Analysis of Variance (Pareto ANOVA), and the effects of the control factors were analyzed. Additionally, regression analyses were conducted to assess the significance of the parameters and their alignment with the most influential factors. Validation experiments confirmed the success of the optimization.

Keywords

Graphene oxide, Titanium oxide, Thin film, Spin coating, Contact angle, Taguchi

Supporting Institution

TÜBİTAK

Project Number

120M992BSEU

Thanks

ARAŞTIRMACILAR TÜBİTAK'A TEŞEKKÜR EDER.

DÖNDÜREREK KAPLAMA YÖNTEMİYLE CAM SUBSTRAT ÜZERİNE GRAFEN OKSİT-TİTANYUM OKSİT (GO-TiO2) İNCE FİLM KAPLAMA İÇİN İSTATİKSEL TAGUCHI METODU ÇALIŞMASI

Abstract

Bu çalışmada, cam substrat üzerine, döndürerek kaplama yöntemi kullanılarak, grafen oksit-titanyum oksit (GO-TiO2) kompozit ince film kaplama süreci, Taguchi deney tasarımı yaklaşımıyla incelenmiştir. Deneylerde, kaplama performansını etkileyen döndürme hızı (SCR), döndürme süresi (SCT), dispersiyon miktarı (V) ve cam substrat plazmalama süresi (PLS T) gibi parametrelerin etkileri değerlendirilmiş ve en uygun kaplama koşulları belirlenmiştir. L16 ortogonal dizin deney tasarımı kullanılarak, denge temas açılarına dayalı sinyal/gürültü (S/N) oranları hesaplanmıştır. Kaplamanın başarı kriteri olarak kararlı ve yüksek saf su denge temas açısı (CA: θe) belirlenmiştir. Karakterizasyon işlemleri, X Işını Kırınımı (XRD), optik mikroskop, Taramalı Elektron Mikroskobu (SEM), dört problu iletkenlik ölçüm cihazı ve optik temas açısı ölçüm cihazı ile gerçekleştirilmiştir. İstatistiksel Taguchi yöntemiyle optimum kaplama şartları Pareto Varyans analizi (Pareto ANOVA) ile belirlenmiş ve kontrol faktörlerinin etkileri analiz edilmiştir. Ayrıca, regresyon analizleri yapılarak parametrelerin etkilerinin anlamlılığı değerlendirilmiş ve en etken parametrelerle olan uyumu ortaya koyulmuştur. Doğrulama deneyleri ile optimizasyonun başarılı olduğu sonucuna ulaşılmıştır.

Keywords

Grafen oksit, Titanyum oksit, İnce film, Döndürerek kaplama, Temas açısı, Taguchi

Project Number

120M992BSEU

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