Electricity generation by sliding an ionic solution droplet on a self-assembled reduced graphene oxide film

2020 ◽  
Vol 8 (25) ◽  
pp. 12735-12743
Author(s):  
Kaiqiang Wang ◽  
Yanfei Liu ◽  
Jinjin Li ◽  
Jianfeng Li

A voltage at the millivolt level could be generated by moving ionic droplets on a partially reduced, smooth graphene oxide film.

RSC Advances ◽  
2019 ◽  
Vol 9 (17) ◽  
pp. 9379-9385 ◽  
Author(s):  
Binshuai Wang ◽  
Yimeng Song ◽  
Liyuan Ge ◽  
Shudong Zhang ◽  
Lulin Ma

We report the fabrication of an antibody-modified reduced graphene oxide film, which can be used to efficiently detect CTCs in PCa patients with PSA levels of 4–10 ng mL−1.


2009 ◽  
Vol 95 (10) ◽  
pp. 103104 ◽  
Author(s):  
Yanwu Zhu ◽  
Weiwei Cai ◽  
Richard D. Piner ◽  
Aruna Velamakanni ◽  
Rodney S. Ruoff

FlatChem ◽  
2021 ◽  
pp. 100317
Author(s):  
Punam Tiwary ◽  
S.G. Chatterjee ◽  
S.S. Singha ◽  
Rajat Mahapatra ◽  
Amit K. Chakraborty

2021 ◽  
Vol 16 (6) ◽  
pp. 949-956
Author(s):  
Jun Ma ◽  
Junaid Ali Syed ◽  
Dongyun Su

Conductive polymers (CPs) have potential application to commercial energy storage because of their high electrochemical activity and low cost. However, an obstacle in developing CP-based supercapacitors is the degradation in their capacitance during the charge-discharge process that leads to poor rate performance. This study fabricates layers of a high-performance self-assembled polypyrrole/reduced graphene oxide (PPY/RGO) composite material on a carbon cloth through electrochemical deposition. The layered graphene improved the electrochemical properties of PPY. Carbon fiber rods were coated with the PPY/RGO composite layer, the thickness of which depends on the deposition time. Adequate capacitive behaviors were achieved by using 16 layers of polypyrrole/reduced graphene oxide, with a specific capacitance of 490 F g−1 (0.6 A g−1) and good rate performance. The results here provide a novel means of preparing graphene-based nanocomposites films for a variety of functions. A symmetric device was subsequently assembled by using electrodes featuring 16 layers of the polypyrrole/reduced graphene oxide composite. It yielded a specific capacitance of 205 F g−1 and a high energy density of 16.4 Wh kg−1. It also exhibited good cycle stability, with a capacitance retention rate of 85% for 5,000 cycles.


Sign in / Sign up

Export Citation Format

Share Document