Effect of Surface Wettability on the Surface-Driven Capillary Flow in SU-8 Microchannels

Auteurs-es

  • Subhadeep Mukhopadhyay Department of Electronics and Computer Engineering, National Institute of Technology Arunachal Pradesh, Ministry of Human Resource Development (Government of India), Yupia, Arunachal Pradesh, India

Mots-clés :

Capillary flow, microfluidic device, surface wettability, SU8

Résumé

SU-8 microfluidic devices have been fabricated by the maskless lithography. Passive capillary flow is suitable to manipulate liquid in the lab-on-a-chip systems. The surface-driven capillary flow of dyed water in each microfluidic device has been recorded and analysed. The measured static water contact angles are 72.6° and 81.2° on the hydrogenated amorphous carbon (a-C:H) deposited flat surface and Si-a:C:H deposited flat surface respectively. Either, a-C:H or Si-a:C:H has been deposited on the inner walls of any particular SU-8 microfluidic device. The effect of surface wettability on the surface-driven capillary flow of dyed water has been studied in the above microfluidic devices. Cite this ArticleSubhadeep Mukhopadhyay. Effect of Surface Wettability on the Surface-Driven Capillary Flow in SU-8 Microchannels. Trends in Opto-Electro & Optical Communications. 2016; 6(2): 24–29p. 

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Publié

2016-09-19

Numéro

Vol. 6 No. 2 (2016)

Rubrique

Review Articles

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