Electrically tuneable terahertz metasurface enabled by a graphene/gold bilayer structure

Autor: Andrew D. Squires, Xiang Gao, Jia Du, Zhaojun Han, Dong Han Seo, James S. Cooper, Adrian T. Murdock, Simon K. H. Lam, Ting Zhang, Tim van der Laan

Publikováno v: Communications Materials, Vol 3, Iss 1, Pp 1-9 (2022)

Reconfigurable and tunable terahertz electronic devices are promising for various technological applications, for which metamaterials are receiving interest. Here, a graphene/gold bilayer metasurface enables the creation of a frequency-selective abso

Externí odkaz: https://doaj.org/article/aa3b7d4d3a5b4a8db3213a056b598e2f

Anti-fouling graphene-based membranes for effective water desalination

Autor: Dong Han Seo, Shafique Pineda, Yun Chul Woo, Ming Xie, Adrian T. Murdock, Elisa Y. M. Ang, Yalong Jiao, Myoung Jun Park, Sung Il Lim, Malcolm Lawn, Fabricio Frizera Borghi, Zhao Jun Han, Stephen Gray, Graeme Millar, Aijun Du, Ho Kyong Shon, Teng Yong Ng, Kostya (Ken) Ostrikov

Publikováno v: Nature Communications, Vol 9, Iss 1, Pp 1-12 (2018)

Intrinsic limitations of nanoporous graphene limit its applications in water treatment. Here the authors produce post-treatment-free, low-cost graphene-based membranes from renewable biomass and demonstrate their high water permeance and antifouling

Externí odkaz: https://doaj.org/article/f31504bdb36448c695ea96a2f052d285

Single-step ambient-air synthesis of graphene from renewable precursors as electrochemical genosensor

Autor: Dong Han Seo, Shafique Pineda, Jinghua Fang, Yesim Gozukara, Samuel Yick, Avi Bendavid, Simon Kwai Hung Lam, Adrian T. Murdock, Anthony B. Murphy, Zhao Jun Han, Kostya (Ken) Ostrikov

Publikováno v: Nature Communications, Vol 8, Iss 1, Pp 1-9 (2017)

Graphene films are commonly produced by thermal chemical vapour deposition, which is capable of producing high-quality films but still limited by factors such as high cost. Here, the authors report the growth of single-to-few-layer continuous graphen

Externí odkaz: https://doaj.org/article/742fc6b80f6c4e4ca79866430fd654a9

Graphitic Carbon Nanomaterial-Based Membranes for Water Desalination

Autor: Dong Han Seo, Mitchell Barclay, Myoung Jun Park, Chen Wang, Kostya Ken Ostrikov, Ho Kyong Shon

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0a202737c822277c0c4f46a9bfb354a
https://doi.org/10.1142/9789811245787_0003

Rejection of harsh pH saline solutions using graphene membranes

Autor: Stephen Gray, Kostya Ostrikov, Shafique Pineda, Timothy van der Laan, Jungmi Hong, Malcolm Lawn, Yun Chul Woo, Mihaela Grigore, Dong Han Seo, Ming Xie, Zhao Jun Han, Avi Bendavid, Myoung Jun Park, Samuel Yick, Adrian T. Murdock, Ho Kyong Shon, Graeme J. Millar

Publikováno v: Seo, D H, Xie, M, Murdock, A T, van der Laan, T, Lawn, M, Park, M J, Woo, Y C, Pineda, S, Hong, J M, Grigore, M, Yick, S, Han, Z, Millar, G, Gray, S, Ostrikov, K, Shon, H K & Bendavid, A 2021, ' Rejection of harsh pH saline solutions using graphene membranes ', Carbon, vol. 171, pp. 240-247 . https://doi.org/10.1016/j.carbon.2020.09.016

Water security is a pressing issue for global citizens in the 21st century. Concerns over clean water supply, and the environmental impact of industrial waste water, make water treatment a world-wide problem requiring a simple and effective solution.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fda08ce414bcc922e27d915b8111aca5
https://doi.org/10.1016/j.carbon.2020.09.016