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Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles

หน่วยงาน Nanyang Technological University, Singapore

รายละเอียด

ชื่อเรื่อง : Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles
นักวิจัย : Goh, Madeline Shuhua , Pumera, Martin
คำค้น : DRNTU::Engineering::Materials::Nanostructured materials.
หน่วยงาน : Nanyang Technological University, Singapore
ผู้ร่วมงาน : -
ปีพิมพ์ : 2553
อ้างอิง : Goh, M. S., & Pumera, M. (2011). Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles. Analytical and Bioanalytical Chemistry, 399(1), 127-131. , 1618-2642 , http://hdl.handle.net/10220/10025 , http://dx.doi.org/10.1007/s00216-010-4338-8 , 172768
ที่มา : -
ความเชี่ยวชาญ : -
ความสัมพันธ์ : Analytical and bioanalytical chemistry
ขอบเขตของเนื้อหา : -
บทคัดย่อ/คำอธิบาย :

The detection of explosives in seawater is of great interest. We compared response single-, few-, and multilayer graphene nanoribbons and graphite microparticle-based electrodes toward the electrochemical reduction of 2,4,6-trinitrotoluene (TNT). We optimized parameters such as accumulation time, accumulation potential, and pH. We found that few-layer graphene exhibits about 20% enhanced signal for TNT after accumulation when compared to multilayer graphene nanoribbons. However, graphite microparticle-modified electrode provides higher sensitivity, and there was no significant difference in the performance of single-, few-, and multilayer graphene nanoribbons and graphite microparticles for the electrochemical detection of TNT. We established the limit of detection of TNT in untreated seawater at 1 μg/mL.

บรรณานุกรม :
Goh, Madeline Shuhua , Pumera, Martin . (2553). Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles.
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Goh, Madeline Shuhua , Pumera, Martin . 2553. "Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles".
    กรุงเทพมหานคร : Nanyang Technological University, Singapore.
Goh, Madeline Shuhua , Pumera, Martin . "Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles."
    กรุงเทพมหานคร : Nanyang Technological University, Singapore, 2553. Print.
Goh, Madeline Shuhua , Pumera, Martin . Graphene-based electrochemical sensor for detection of 2,4,6-trinitrotoluene (TNT) in seawater: the comparison of single-, few-, and multilayer graphene nanoribbons and graphite microparticles. กรุงเทพมหานคร : Nanyang Technological University, Singapore; 2553.