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Boley JW, Hyun SH, White EL, et al. Hybrid Self-Assembly during Evaporation Enables Drop-on-Demand Thin Film Devices. ACS Appl Mater Interfaces. 2016;8(50):34171-34178doi: 10.1021/acsami.5b12687.
Boley, J. W., Hyun, S. H., White, E. L., Thompson, D. H., & Kramer, R. K. (2016). Hybrid Self-Assembly during Evaporation Enables Drop-on-Demand Thin Film Devices. ACS applied materials & interfaces, 8(50), 34171-34178. https://doi.org/10.1021/acsami.5b12687
Boley, J William, et al. "Hybrid Self-Assembly during Evaporation Enables Drop-on-Demand Thin Film Devices." ACS applied materials & interfaces vol. 8,50 (2016): 34171-34178. doi: https://doi.org/10.1021/acsami.5b12687
Boley JW, Hyun SH, White EL, Thompson DH, Kramer RK. Hybrid Self-Assembly during Evaporation Enables Drop-on-Demand Thin Film Devices. ACS Appl Mater Interfaces. 2016 Dec 21;8(50):34171-34178. doi: 10.1021/acsami.5b12687. Epub 2016 Apr 01. PMID: 27008567.
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ACS Appl Mater Interfaces. 2016 Dec 21;8(50):34171-34178. doi: 10.1021/acsami.5b12687. Epub 2016 Apr 01.

Hybrid Self-Assembly during Evaporation Enables Drop-on-Demand Thin Film Devices.

ACS applied materials & interfaces

J William Boley, Seok-Hee Hyun, Edward L White, David H Thompson, Rebecca K Kramer

Affiliations

  1. School of Mechanical Engineering, Purdue University , West Lafayette, Indiana 47907, United States.
  2. Department of Chemistry, Purdue University , West Lafayette, Indiana 47907, United States.

PMID: 27008567 DOI: 10.1021/acsami.5b12687

Abstract

We propose and demonstrate a hybrid self-assembly process as the mechanism for producing strikingly uniform deposits from evaporating drops composed of cosolvents. This assembly process leverages both particle-fluid interactions to carry the particles to the drop surface and particle-interface interactions to assemble the particles into a uniform film. We anchor our results in a cosolvent evaporation model that agrees with our experimental observations. We further employ the process to produce thin film devices such as flexible broadband neutral density filters and semitransparent mirrors. Our observations suggest that this assembly process is free of particle-substrate interactions, which indicates that the results should be transferable across a multitude of material/substrate systems.

Keywords: cosolvent; drop evaporation; gallium−indium; liquid metal; monolayers; optics; self-assembly; thin films

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