Self-organization of microlens arrays caused by the spin-coating-assisted hydrophobic effect

Fang-Chung Chen*, Wen Kuei Huang, Chu Jung Ko

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


A simple, low-cost, low-temperature, and shape-controllable approach has been demonstrated to fabricate polymer microlens arrays (MLAs). By using microcontact printing of the self-assembled monolayers and then spin coating, the microlenses were able to organize themselves on the patterned glass substrate. High-quality MLAs made of NOA65 prepolymer with lens-diameters of 50, 75, and 100 mum have been fabricated by this method. Lens shapes can be controlled by changing the spin rates of the prepolymer coating. Optical measurements have revealed an excellent light-collecting capability from the fabricated MLAs. It is anticipated that the technique will be ideally suited to low-cost and high-volume production.

Original languageEnglish
Pages (from-to)2454-2456
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number23
StatePublished - 1 Dec 2006


  • Hydrophobic and hydrophilic
  • Microcontact printing
  • Microlens array (MLA)
  • Self-assembled monolayers (SAMs)
  • Surface energy

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