Výsledky vyhledávání - "Tilmann J. Neubert"

Fast Electron Transfer Kinetics at an Isolated Graphene Edge Nanoelectrode with and without Nanoparticles: Implications for Sensing Electroactive Species

Autor: Michel Wehrhold, Rodrigo M. Iost, Kannan Balasubramanian, Tilmann J. Neubert, Anur Yadav

Publikováno v: ACS Applied Nano Materials. 3:11725-11735

We present here the electrochemistry at a photolithographically created isolated monolayer graphene edge (GrEdge). The millimeter-long GrEdge is found to behave like a nanowire, exhibiting very hig...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36d64f07937b3702ea1571c31afc1e37
https://doi.org/10.1021/acsanm.0c02171

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A highly durable graphene monolayer electrode under long-term hydrogen evolution cycling

Autor: Michel Wehrhold, Tilmann J. Neubert, Tobias Grosser, Martin Vondráček, Jan Honolka, Kannan Balasubramanian

Publikováno v: Chemical communications (Cambridge, England). 58(23)

Achieving long term stability of single graphene sheets towards repeated electrochemical hydrogen evolution reaction (HER) cycling has been challenging. Here, we show through appropriate electrode preparation that it is possible to obtain highly dura

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::43bc84d1b2fae8f66a2cf80652511dc5
https://pubmed.ncbi.nlm.nih.gov/35234242

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Highly Durable Graphene Monolayer Electrode on Insulating Substrate under Long-term Hydrogen Evolution Cycling

Autor: Michel Wehrhold, Tilmann J Neubert, Tobias Grosser, Kannan Balasubramanian

Electrochemical hydrogen evolution reaction (HER) at single graphene sheets has been investigated widely either in its pristine form or after chemical modification. One important challenge is the long-term stability of single graphene sheets on Si/Si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::59b45a4067c7e0e6e5b972ee0655c7d8
https://doi.org/10.26434/chemrxiv-2022-qbxjs

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Functionalization of gold and graphene electrodes by p-maleimido-phenyl towards thiol-sensing systems investigated by EQCM and IR ellipsometric spectroscopy

Autor: Karsten Hinrichs, Norbert H. Nickel, Silvia Janietz, Felix Rösicke, Tilmann J. Neubert, Marc A. Gluba, Jörg Rappich, Guoguang Sun

Publikováno v: Applied Surface Science. 421:755-760

Electrografting of gold and graphene surfaces by functional p‐(N‐maleimido)phenyl groups was performed by reduction of p‐(N‐maleimido)phenyldiazonium tetrafluoroborate. The reduction was carried out using cyclic voltammetry coupled with micro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb435f633f2bc55f1fa562a914685219
https://doi.org/10.1016/j.apsusc.2017.04.235

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pH sensitivity of interfacial electron transfer at a supported graphene monolayer

Autor: Kannan Balasubramanian, Michel Wehrhold, Jan Honolka, Martin Vondráček, Rodrigo M. Iost, Tilmann J. Neubert, Anur Yadav

Publikováno v: Nanoscale. 11(31)

Electrochemical devices based on a single graphene monolayer are often realized on a solid support such as silicon oxide, glassy carbon or a metal film. Here, we show that, with graphene on insulating substrates, the kinetics of the electron transfer

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7929e348af48e98156632dff9eca1ee2
https://pubmed.ncbi.nlm.nih.gov/31408079

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Selective electrochemical functionalization of the graphene edge

Autor: Tilmann J. Neubert, Kannan Balasubramanian, Sema Baylan, Anur Yadav, Thomas Schmid, Rodrigo M. Iost

Publikováno v: Chemical Science

We report the direct exclusive modification of the edge of a single graphene monolayer with nanoparticles or organic functionalities under ambient conditions.
We present a versatile and simple method using electrochemistry for the exclusive func

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::00c3d198cbbb2a565577a702cecf658f
http://www.helmholtz-berlin.de/pubbin/oai_publication?VT=1&ID=99981

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