Graphene enabled Electrically Controlled Terahertz Light Modulators

Date

2015-04-11

Author

Kakenov, Nurbek
Takan, Taylan
Özkan, Vedat Ali
Balcı, Osman
Polat, Emre
Altan, Hakan
Kocabaş, Coşkun

Metadata

Show full item record

Item Usage Stats

131
views

0
downloads

URI

http://www.ufe.cz/smmo2015/programme.html
https://hdl.handle.net/11511/79612

Collections

Unverified, Conference / Seminar

Suggestions

OpenMETU
Core

Graphene-enabled electrically controlled terahertz spatial light modulators Kakenov, Nurbek; Takan, Taylan; ÖZKAN, VEDAT ALİ; Balci, Osman; Polat, Emre O.; Altan, Hakan; KOCABAŞ, COŞKUN (2015-05-01) In this Letter, we demonstrate a broadband terahertz (THz) spatial light modulator using 5 x 5 arrays of large area graphene supercapacitors. Our approach relies on controlling spatial charge distribution on a passive matrix array of patterned graphene electrodes. By changing the voltage bias applied to the rows and columns, we were able to pattern the THz transmittance through the device with high modulation depth and low operation voltage. We anticipate that the simplicity of the device architecture with ...
Graphene nanosheet poly acrylonitrile co ethyl methacrylate copolymer film preparation and antibacterial performance Endoğan Tanır, Tuğba; Hasırcı, Nesrin (2015-06-22)
Graphene Polypyrrole Nanocomposite Electrodes for Paper Based Supercapacitors Aydınlı, Alptekin; Yüksel, Recep; Ünalan, Hüsnü Emrah (null; 2016-12-02)
Graphene oxide/magnesium oxide nanocomposite: A novel catalyst for ozonation of phenol from wastewater Heidarizad, Mahdi; Şengör, Sema Sevinç (2017-01-01) Catalytic ozonation is a promising advanced oxidation technique for the removal of contaminants from water and wastewater. Graphene oxide (GO) is an oxidized derivative of graphene which contains epoxide, hydroxyl, and carboxyl groups with high surface area, and is being recently used for effective adsorption of pollutants in aquatic environments. In our previous work, we modified GO with magnesium oxide (MgO) and demonstrated the high-rate adsorption of methylene blue (MB) by the synthesized nanocomposite ...
Graphene oxide-doped PEDOT:PSS as hole transport layer in inverted bulk heterojunction solar cell Ozcan, Sefika; Erer, Mert Can; Vempati, Sesha; Uyar, Tamer; Toppare, Levent Kamil; Çırpan, Ali (Springer Science and Business Media LLC, 2020-02-01) Transparent poly (3,4-ethylenedioxythiophene): poly (styrenesulfonate) (PEDOT:PSS) is widely used hole conducting material in optoelectronic devices. Secondary doping of PEDOT:PSS enables the tunability of its electronic properties. In this work, graphene oxide (GO) was used as a secondary dopant for PEDOT:PSS and the doped materials (composites) were tested for their efficiency as hole transport material in inverted bulk heterojunction (BHJ) solar cell. The composites were studied to unveil the effects of ...

Citation Formats

N. Kakenov et al., “Graphene enabled Electrically Controlled Terahertz Light Modulators,” 2015, Accessed: 00, 2021. [Online]. Available: http://www.ufe.cz/smmo2015/programme.html.