Abstract
The ion sensitive sensor array (ISSA) based on layer-by-layer (LbL) self-assembled graphene presented in this paper is capable of detecting different ions selectively with advantages of high sensing performance and low cost due to graphene inherent properties and self-assembly technique. According to the conductance change of graphene, the detection limit of ISSA is down to 1 μM, much better than one dimensional carbon nanotube (CNT) sensors. The response time of ISSA is 15 s. The human sweat in vitro testing also confirms the high performance of ISSA.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 110-114 |
| Number of pages | 5 |
| Journal | Sensors and Actuators, A: Physical |
| Volume | 177 |
| DOIs | |
| State | Published - Apr 2012 |
Keywords
- Graphene
- Ion sensitive sensor array
- Self-assembly
- Sweat in vitro testing
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