FLUID-FET: An Ionic Switch for Biological and Chemical Species


Downloads per month over past year

Maurya, RK and Agarwal, A (2015) FLUID-FET: An Ionic Switch for Biological and Chemical Species. In: Indo-UK Work Shop on Micro-Nano Fluidics for Health and Diagnostics (FluidicsHD-2015), CSIR-CEERI, Pilani, August 27-28, 2015, CSIR-CEERI. (Submitted)

This is the latest version of this item.

PDF - Submitted Version
Download (82Kb) | Preview


Fluidic field effect transistor (Fluid-FET) is referring to an embedded micro/nanofluidic channel with an electrically controllable gate electrode; providing the way to modulate the surface charge property within the channel and leads to control the ionic movement in nanochannels. This work reports an ionic switch named as Fluid-FET, similar to the conventional Field Effect Transistor (FET) with the aim to control the delivery of biological and chemical species in Lab-on-a-chip integrated systems. This device gives much better rectifying degree (better diodic behavior) at very low voltages (<2V) due to very low surface charges without any chemical modification using single gate electrode. The precise movement of the ions (i.e. K+, Ca2+ etc.) in a preferred direction is demonstrated by asymmetrically positioned external gate electrode. Fluid-FET is realized using standard silicon process techniques with poly-silicon as sacrificial material, allowing thermally grown silicon oxide as capping layer with low surface charges.Various micro-fluidic devices for drug delivery/ discovery applications may need such controlled delivery of ions or drugs.

Item Type: Conference or Workshop Item (Poster)
Subjects: Semiconductor Devices > Sensors and Nanotechnology
Divisions: Semiconductor Devices
Depositing User: Mr. Jitendra Nath Bajpai
Date Deposited: 12 Jan 2017 09:10
Last Modified: 12 Jan 2017 09:10
URI: http://ceeri.csircentral.net/id/eprint/262

Available Versions of this Item

Actions (login required)

View Item View Item