TY - GEN
T1 - Electrochemical Phosphate Sensors Using Silver Nanowires Treated Screen Printed Electrodes
AU - Rahman, Md Tawabur
AU - Kabir, Md Faisal
AU - Qiao, Qiquan
N1 - Publisher Copyright:
© 2018 IEEE.
PY - 2018/10/18
Y1 - 2018/10/18
N2 - Essential biomolecules of the human body and plant growth depend upon the proper amount of phosphate ions. Phosphorus has critical values in both agricultural and biomedical applications. There is a need for inexpensive, portable, repeatable, highly sensitive and field deployable sensors with wide detection range to monitor the health of water system and field soil. This work aims to develop an electrochemical phosphate sensor using novel ammonium molybdate tetrahydrate/silver nanowires (AMT/AgNWs) modified screen printed electrode (SPE) for phosphate detection to achieve simplicity, high sensitivity, wide detection range, and high repeatability and portability. The cyclic voltammetry measurements exhibited the sensitivities of AMT modified SPE without and with AgNWs are 0.1 μ Aμ M and 0.71 μ A μ M, respectively. The use of highly conductive AgNWs significantly increased the sensitivities of the AMT/SPE. Besides, AgNWs and AMT modified SPE (AMT/AgNWs/SPE) showed a very wide detection range of 5 μ M-1 mM. Moreover, the proposed sensor demonstrated a good repeatability and recovery. Our work suggests that AMT/AgNWs/SPE is promising for simple, low-cost, and portable phosphate ion detection.
AB - Essential biomolecules of the human body and plant growth depend upon the proper amount of phosphate ions. Phosphorus has critical values in both agricultural and biomedical applications. There is a need for inexpensive, portable, repeatable, highly sensitive and field deployable sensors with wide detection range to monitor the health of water system and field soil. This work aims to develop an electrochemical phosphate sensor using novel ammonium molybdate tetrahydrate/silver nanowires (AMT/AgNWs) modified screen printed electrode (SPE) for phosphate detection to achieve simplicity, high sensitivity, wide detection range, and high repeatability and portability. The cyclic voltammetry measurements exhibited the sensitivities of AMT modified SPE without and with AgNWs are 0.1 μ Aμ M and 0.71 μ A μ M, respectively. The use of highly conductive AgNWs significantly increased the sensitivities of the AMT/SPE. Besides, AgNWs and AMT modified SPE (AMT/AgNWs/SPE) showed a very wide detection range of 5 μ M-1 mM. Moreover, the proposed sensor demonstrated a good repeatability and recovery. Our work suggests that AMT/AgNWs/SPE is promising for simple, low-cost, and portable phosphate ion detection.
UR - http://www.scopus.com/inward/record.url?scp=85057127022&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85057127022&partnerID=8YFLogxK
U2 - 10.1109/EIT.2018.8500195
DO - 10.1109/EIT.2018.8500195
M3 - Conference contribution
AN - SCOPUS:85057127022
T3 - IEEE International Conference on Electro Information Technology
SP - 993
EP - 997
BT - 2018 IEEE International Conference on Electro/Information Technology, EIT 2018
PB - IEEE Computer Society
T2 - 2018 IEEE International Conference on Electro/Information Technology, EIT 2018
Y2 - 3 May 2018 through 5 May 2018
ER -