Multiple Linear Regression Modeling of Nanosphere Self-Assembly via Spin Coating

Nanosphere lithography employs single- or multilayer self-assembled nanospheres as a template for bottom-up nanoscale patterning. The ability to produce self-assembled nanospheres with minimal packing defects over large areas is critical to advancing applications of nanosphere lithography. Spin coat...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 37(2021), 42 vom: 26. Okt., Seite 12419-12428
1. Verfasser: Razaulla, Talha (VerfasserIn)
Weitere Verfasser: Bekeris, Michael, Feng, Haidong, Beeman, Michael, Nze, Ugochukwu, Warren, Roseanne
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2021
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Multiple Linear Regression Modeling of Nanosphere Self-Assembly via Spin Coating 
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520 |a Nanosphere lithography employs single- or multilayer self-assembled nanospheres as a template for bottom-up nanoscale patterning. The ability to produce self-assembled nanospheres with minimal packing defects over large areas is critical to advancing applications of nanosphere lithography. Spin coating is a simple-to-execute, high-throughput method of nanosphere self-assembly. The wide range of possible process parameters for nanosphere spin coating, however-and the sensitivity of nanosphere self-assembly to these parameters-can lead to highly variable outcomes in nanosphere configuration by this method. Finding the optimum process parameters for nanosphere spin coating remains challenging. This work adopts a design-of-experiments approach to investigate the effects of seven factors-nanosphere wt%, methanol/water ratio, solution volume, wetting time, spin time, maximum revolutions per minute, and ramp rate-on two response variables-percentage hexagonal close packing and macroscale coverage of nanospheres. Single-response and multiple-response linear regression models identify main and two-way interaction effects of statistical significance to the outcomes of both response variables and enable prediction of optimized settings. The results indicate a tradeoff between the high ramp rates required for large macroscale coverage and the need to minimize high shear forces and evaporation rates to ensure that nanospheres properly self-assemble into hexagonally packed arrays 
650 4 |a Journal Article 
700 1 |a Bekeris, Michael  |e verfasserin  |4 aut 
700 1 |a Feng, Haidong  |e verfasserin  |4 aut 
700 1 |a Beeman, Michael  |e verfasserin  |4 aut 
700 1 |a Nze, Ugochukwu  |e verfasserin  |4 aut 
700 1 |a Warren, Roseanne  |e verfasserin  |4 aut 
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