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Chemical Defect‐Driven Response on Graphene‐Based Chemiresistors for Sub‐ppm Ammonia Detection by Sonia Freddi; Miriam C. Rodriguez Gonzalez; Pilar Carro; Luigi Sangaletti; Steven De Feyter is a Chemistry article available to read on EtoBox.
What is Chemical Defect‐Driven Response on Graphene‐Based Chemiresistors for Sub‐ppm Ammonia Detection about?
## Abstract Gas sensors are essential in several fields and, in general, features such as high sensitivity, quick response, and fast recovery are required, along with low power consumption and low cost. Graphene is considered a promising material for gas sensing applications, its functionalization often being a requisite. In the present study, we developed competitive and promising gas sensors for ammonia detection. Interestingly, we present an easy and efficient method to functionalize graphene by using diazonium chemistry with different functional groups. Moreover, we prove the superior sensing capability of our covalently modified graphene layers. These experimental data have been consistently interpreted by theoretical calculations, which reveal a defect‐driven sensor's response to ammonia. These results open the possibility of a comprehensive design and use of these graphene‐based sensors in real applications.
Who reads Chemical Defect‐Driven Response on Graphene‐Based Chemiresistors for Sub‐ppm Ammonia Detection?
It is typically read by researchers, students, and practitioners in Chemistry.
- Author
- Sonia Freddi; Miriam C. Rodriguez Gonzalez; Pilar Carro; Luigi Sangaletti; Steven De Feyter
- Publisher
- Wiley
- Published
- 2022
- Language
- EN
- Field
- Chemistry (Physical Sciences)