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Graphene based nano...
Graphene based nanosensor for aqueous phase detection of nitroaromatics
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- Avaz, S. (author)
- Sabanci Universitesi,Sabancı University
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- Roy, R. B. (author)
- Sabanci Universitesi,Sabancı University
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- Mokkapati, Venkata Raghu, 1981 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bozkurt, A. (author)
- Sabanci Universitesi,Sabancı University
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- Pandit, Santosh, 1987 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Mijakovic, Ivan, 1975 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Menceloglu, Y. Z. (author)
- Sabanci Universitesi,Sabancı University
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(creator_code:org_t)
- 2017
- 2017
- English.
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In: RSC Advances. - : Royal Society of Chemistry (RSC). - 2046-2069. ; 7:41, s. 25519-25527
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Abstract
Subject headings
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- A graphene-based nanosensor was fabricated to selectively detect nitrotriazolone (NTO) molecules with a molecularly imprinted film via simple electrical measurements. Molecularly imprinted polymer comprising chitosan was used as sensitive layer. Gold electrodes for electrical measurements were lithographically fabricated on Si/SiO2 substrate, followed by monolayer graphene transfer and polymeric film coating. Monolayer graphene and molecularly imprinted polymer were characterized by ATR-FTIR, UV-Vis, SEM and Raman spectroscopy. Transfer-length measurements (TLM) indicate that the sensor selectively and linearly responds against aqueous NTO solutions within a wide range of concentration of 0.01-0.1 mg mL(-1) that covers the lowest toxic level of NTO determined by USEPA. This nanosensor with embedded electrodes is re-usable and suitable for field applications, offering real-time electrical measurements unlike current techniques where complex analytics are required.
Subject headings
- NATURVETENSKAP -- Kemi -- Analytisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Analytical Chemistry (hsv//eng)
Publication and Content Type
- art (subject category)
- ref (subject category)
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