Multiaxis sensing using metal organic frameworks
A sensor device including a sensor substrate; and a thin film comprising a porous metal organic framework (MOF) on the substrate that presents more than one transduction mechanism when exposed to an analyte. A method including exposing a porous metal organic framework (MOF) on a substrate to an analyte; and identifying more than one transduction mechanism in response to the exposure to the analyte.
1. A sensor device comprising:
a sensor substrate; and
a thin film comprising a porous organic metal framework (MOF) on the sensor substrate that is configured to present more than one transduction mechanism when exposed to an analyte, which thereby enables multi-axis sensing.
2. The sensor device of claim 1 , wherein the more than one transduction mechanism comprises more than one of electrical conductivity, strain, acoustic modification, optical absorption or optical emission.
3. The sensor device of claim 1 , wherein the device comprises a surface acoustic wave sensor device and the sensor substrate is a piezoelectric substrate.
4. The sensor device of claim 3 , wherein a first of the more than one transduction mechanism is an acoustic modification and a second of the more than one transduction mechanism is optical absorption.
5. The sensor device of claim 1 , wherein the sensor substrate is a cantilever beam.
6. The sensor device of claim 5 , wherein one of the more than one transduction mechanism is strain on a material of the cantilever beam.
7. The sensor device of claim 6 , wherein one of the more than one transduction mechanism is optical absorption.
8. The sensor device of claim 1 , wherein one of the more than one transduction mechanism is a change in an electrical property.
9. The sensor device of claim 1 , wherein the MOF is modified with a guest species.
10. A method comprising:
exposing a porous metal organic framework (MOF) on a substrate to an analyte; and
identifying more than one transduction mechanism in response to the exposure to the analyte, thereby enabling multi-axis sensing.
11. The method of claim 10 , wherein the more than one transduction mechanism comprises more than one of electrical conductivity, strain, acoustic modification, optical absorption or optical emission.
12. The method of claim 10 , wherein the substrate is a piezoelectric substrate of a surface acoustic wave sensor.
13. The method of claim 12 , wherein a first of the more than one transduction mechanism is an acoustic modification and a second of the more than one transduction mechanism is optical absorption.
14. The method of claim 10 , wherein the substrate is a cantilever beam.
15. The method of claim 14 , wherein one of the more than one transduction mechanism is strain on a material of the cantilever beam.
16. The method of claim 10 , wherein one of the more than one transduction mechanism is optical absorption.
17. The method of claim 10 , wherein one of the more than one transduction mechanism is a change in an electrical property.
18. The method of claim 10 , wherein the MOF is modified with a guest species.