A novel ascorbic acid electrochemical sensor based on spherical MOF-5 arrayed on a three-dimensional porous carbon electrode

2016 ◽  
Vol 8 (10) ◽  
pp. 2290-2296 ◽  
Author(s):  
Yonggui Song ◽  
Couchong Gong ◽  
Dan Su ◽  
Yuan Shen ◽  
Yonghai Song ◽  
...  

The MOF-5 microstructures supported by three-dimensional kenaf stem-derived porous carbon composites were constructedviausing a simple one-step method for ascorbic acid sensing.

RSC Advances ◽  
2018 ◽  
Vol 8 (3) ◽  
pp. 1159-1167 ◽  
Author(s):  
X. F. Zhang ◽  
B. Wang ◽  
J. Yu ◽  
X. N. Wu ◽  
Y. H. Zang ◽  
...  

A porous carbon electrode with a 3D honeycomb-like structure demonstrates a high removal efficiency for the removal of chromium(vi) from water.


2021 ◽  
Author(s):  
Jian Xia ◽  
Mengru Yang ◽  
Xiangyang Jiang ◽  
Mohd Shabbir ◽  
Xiaogang Luo

Abstract In this work, cobalt oxyhydroxide (CoOOH) nanoflakes/cellulose composite membranes (CCM) were fabricated by a simple one-step method and green route without further treatment. The CoOOH nanoflakes were synthesized in the high-purity cellulose membranes (CM) matrix that expected to enhance its detection performance of ascorbic acid in comparison to the traditional paper-based sensors that were made of commercially available filter paper. The structure and properties of CM and CCM were characterized by SEM, EDS, FT-IR, XRD and XPS, etc. The combination mechanism between nanoflakes and cellulose was well analyzed and discussed by various characterizations and experiments. When the CCM was immersed into the ascorbic acid (AA) solution, the color changing from colorless to blue was observed only in 2 min. Furthermore, the CCM can be used for AA determination in real samples.


2015 ◽  
Vol 48 ◽  
pp. 213-219 ◽  
Author(s):  
Majid Kalate Bojdi ◽  
Mohammad Behbahani ◽  
Mohammad Hosein Mashhadizadeh ◽  
Akbar Bagheri ◽  
Saied Saeed Hosseiny Davarani ◽  
...  

1982 ◽  
Vol 54 (6) ◽  
pp. 861-864 ◽  
Author(s):  
Joseph. Wang ◽  
Bassam A. Freiha

Author(s):  
Shoichi Matsuda ◽  
Shoji Yamaguchi ◽  
Eiki Yasukawa ◽  
Hitoshi Asahina ◽  
Hirofumi Kakuta ◽  
...  

Author(s):  
Shiying Lin ◽  
Lanlan Mo ◽  
Feijun Wang

Abstract A facile and environmentally friendly approach to produce self-doped hierachically porous carbon as electrode material for high-performance supercapacitor was demonstrated. 3D honeycomb-like hierarchically porous carbon was successfully obtained by one-step carbonization and activation of sodium carboxymethyl cellulose (CMC) via K2CO3. With the optimized temperature of carbonization and activation, the porous carbon material achieved well-shaped hierarchically pores (micro-, meso and macropores) like a honeycomb, ultrahigh specific surface area (1666 m2·g-1), as well as highly O-self-doping (3.6 at.%), endowing an excellent electrochemical properties for the electrode in three-electrode system. The porous carbon electrode material delivered a high specific capacitance of 300.8 F·g-1 at 1 A·g-1, an eminent rate capability of 228.4 F·g-1 at the current density up to 20 A·g-1 and outstanding cycle stability of 94.3% retention after 10000 cycles. Therefore, the CMC derived hierarchical porous carbon activated by K2CO3 would have promising foreground in application of supercapacitors.


2015 ◽  
Vol 83 (5) ◽  
pp. 335-338 ◽  
Author(s):  
Isao SHITANDA ◽  
Seiya TSUJIMURA ◽  
Hiroki YANAI ◽  
Yoshinao HOSHI ◽  
Masayuki ITAGAKI

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