Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Roderick Shepherd"'
Autor:
Thomas Kaufmann, Akhilesh Verma, Van-Tan Truong, Bo Weng, Roderick Shepherd, Christophe Fumeaux
Publikováno v:
International Journal of Antennas and Propagation, Vol 2012 (2012)
A planar antenna for ultra-wideband (UWB) applications covering the 3.1–10.6 GHz range has been designed as a test bed for efficiency measurements of antennas manufactured using polymer conductors. Two types of conductive polymers, PEDOT and PPy (p
Externí odkaz:
https://doaj.org/article/d0581b103dd44305855474bec66dfa47
Autor:
Chang Ming Li, Jun Chen, Roderick Shepherd, Yuqing Liu, Bo Weng, King Tong Lau, Jianglin Diao, Ailing Ding, Joselito M. Razal
Publikováno v:
Nanoscale. 8:3416-3424
This work describes the fabrication of hierarchical 3D Nafion enhanced carbon aerogels (NECAGs) for sensing applications via a fast freeze drying method. Graphene oxide, multiwalled carbon nanotubes and Nafion were mixed and extruded into liquid nitr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e35c8040177d3d3d89531248a396463
https://doi.org/10.1039/c5nr08631k
https://doi.org/10.1039/c5nr08631k
Autor:
Shengjian Jammy Chen, Roderick Shepherd, Thomas Kaufmann, Bo Weng, Christophe Fumeaux, Anthony M. Vassallo, Benjamin Chivers, Andrew I. Minett
Publikováno v:
IEEE Antennas and Wireless Propagation Letters. 14:1207-1210
A compact, highly efficient and flexible ultra-wideband antenna operating from 3 to 20 GHz is proposed in this letter. The antenna is completely made from polymer comprising a patterned conductive polymer (PEDOT) thin film attached to a transparent s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c712be991b25bbcd7d095203abeb01a
https://doi.org/10.1109/lawp.2015.2398424
https://doi.org/10.1109/lawp.2015.2398424
Autor:
Aoife Morrin, Bo Weng, Gordon G. Wallace, Peter C. Innis, Karl Crowley, Anthony J. Killard, Roderick Shepherd
Publikováno v:
J. Mater. Chem. B. 2:793-799
Printing has been widely used in the sensor industry for its speed, low cost and production scalability. In this work we present a wholly-printed polypyrrole (PPy) based biosensor produced by inkjet printing bioinks composed of dispersions of PPy nan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::95a5cb40c7ecfd8624cb5fecdd7fd761
https://doi.org/10.1039/c3tb21378a
https://doi.org/10.1039/c3tb21378a
Autor:
Hua Zhang, Weimin Zhang, Jie Zhao, Jun Chen, Andrew T. Harris, Andrew I. Minett, Roderick Shepherd, Shu Xia Wang, Joselito M. Razal, Xiao Huang
Publikováno v:
ACS Applied Materials & Interfaces. 5:7676-7681
Herein, we report a solid-state reduction process (in contrast to solution-based approach) by using an environmentally friendly reductant, such as vitamin C (denoted VC), to be directly employed to solid-state graphene oxide (GO) templates to give th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d482a3f543f847c4aa29134e649a91c5
https://doi.org/10.1021/am402084y
https://doi.org/10.1021/am402084y
Publikováno v:
2016 17th International Symposium on Antenna Technology and Applied Electromagnetics (ANTEM).
In this paper, various realizations of microwave antennas based on free-standing conductive polymers including polypyrrole (PPy) and PEDOT:PSS (PEDOT) are reviewed in regard to two significant aspects: improvement of their efficiency and exploitation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7fde093901a0547db1f5320f33cc727
https://doi.org/10.1109/antem.2016.7550191
https://doi.org/10.1109/antem.2016.7550191
Publikováno v:
2016 IEEE International Symposium on Antennas and Propagation (APSURSI).
A flexible 5.8-GHz microstrip-fed slot antenna realized in thin films of conductive polymer PEDOT:PSS is presented. As a result of the highly conductive and flexible polymeric film utilization, the antenna has a high efficiency of 82% and fully rever
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af6d76828555b31fa525f8ea88363063
https://doi.org/10.1109/aps.2016.7696366
https://doi.org/10.1109/aps.2016.7696366
Publikováno v:
Small. 7:3434-3438
Inkjet printed polypyrrole (PPy) films with good uniformity and conductivity are fabricated from a stable, printable PPy nanodispersion, and the cytocompatability of these platforms is demonstrated using PC12 cells. This novel approach to fabricating
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::92579cf83dc870e90d91b63677382923
https://doi.org/10.1002/smll.201101491
https://doi.org/10.1002/smll.201101491
Autor:
King Tong Lau, Gordon G. Wallace, Ciarán Smyth, Yanzhe Wu, Geoffrey M. Spinks, Dermot Diamond, Roderick Shepherd
Publikováno v:
Sensors and Actuators B: Chemical. 129:518-524
A novel approach to autonomous chemical sensor regeneration is explored in this paper. It involves the movement of a sensor surface into measurement or regeneration zones using low powered conducting polymer actuators. The system demonstrated the fea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b0ad7f0d98ef821cae07e976673fd748
https://doi.org/10.1016/j.snb.2007.08.050
https://doi.org/10.1016/j.snb.2007.08.050
Publikováno v:
Analytica Chimica Acta. 597:290-294
The use of a novel inexpensive photometric device, a paired emitter-detector diode (PEDD) has been applied to the colorimetric determination of phosphate using the malachite green spectrophotometric method. The novel miniaturized flow detector applie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6a1aa7fb8aed853fae4b1aea49ee8b03
https://doi.org/10.1016/j.aca.2007.06.048
https://doi.org/10.1016/j.aca.2007.06.048