Nano/mesoporous carbon from rice starch for voltammetric detection of ascorbic acid

Mohammad A. Wahab, Farzana Darain, Nazrul Islam, David James Young

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Rice starch (RS-)based nano/mesoporous carbon (RSNMC) was prepared via a hardtemplating route using cheap rice starch as a carbon source. XRD and TEM characterization indicated the formation of organized nanoporous RSNMC. Nitrogen absorption-desorption studies revealed a high surface area of up to 488 m2-g-1, uniform pore size of 3.92 nm, and pore volume of 1.14 cm3-g-1. A RSNMC-modified glassy carbon (GC) electrode was employed for the determination of ascorbic acid (AA) and exhibited a linear response in the concentration range of 0.005-6.0 mM with a detection limit of 0.003 mM. These results demonstrate that RSNMC has potential as an advanced and cheap electrode material for electrochemical sensing and other electrocatalytic applications.

Original languageEnglish
Article number234
Pages (from-to)1-11
Number of pages11
Issue number2
Publication statusPublished - 25 Jan 2018
Externally publishedYes


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