ArticleThe journal of physical chemistry. C, Nanomaterials and interfaces2014
X-Ray Photoelectron Spectroscopy Investigation of the Nitrogen Species in Photoactive Perfluorophenylazide-Modified Surfaces.
Article in The journal of physical chemistry. C, Nanomaterials and interfaces, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed.
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- Functionalization of pristine graphene for the synthesis of covalent graphene-polyaniline nanocomposite.RSC advances · 2020Article
- Optically Triggered Control of the Charge Carrier Density in Chemically Functionalized Graphene Field Effect Transistors.Chemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
- A Versatile Catalyst-Free Perfluoroaryl Azide-Aldehyde-Amine Conjugation Reaction.Materials chemistry frontiers · 2019Article
- Ultrathin Functional Polymer Modified Graphene for Enhanced Enzymatic Electrochemical Sensing.Biosensors · 2019Article
- Protection of normal cells from irradiation bystander effects by silica-flufenamic acid nanoparticles.Journal of materials science. Materials in medicine · 2018Article
- Aptamer-Based Impedimetric Assay of Arsenite in Water: Interfacial Properties and Performance.ACS omega · 2018Article
- Colorimetric detection of CuBeilstein journal of nanotechnology · 2018Article
- Copolymerization of a Catechol and a Diamine as a Versatile Polydopamine-Like Platform for Surface Functionalization: The Case of a Hydrophobic Coating.Biomimetics (Basel, Switzerland) · 2017Article
- Capture of organic iodides from nuclear waste by metal-organic framework-based molecular traps.Nature communications · 2017Article
- Three-Dimensional Graphene-TiOACS omega · 2016Article
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7 authors.
Funding
Abstract
X-ray Photoelectron Spectroscopy (XPS) was used to characterize the nitrogen species in perfluorophenylazide (PFPA) self-assembled monolayers. PFPA chemistry is a novel immobilization method for tailoring the surface properties of materials. It is a simple route for the efficient immobilization of graphene, proteins, carbohydrates and synthetic polymers onto a variety of surfaces. Upon light irradiation, the azido group in PFPA is converted to a highly reactive singlet nitrene species that readily undergoes CH insertion and C=C addition reactions. Here, the challenge of characterizing the PFPA modified surfaces was addressed by detailed XPS experimental analyses. The three nitrogen peaks detected in the XPS N1s spectra were assigned to amine/amide (400.5 eV) and azide (402.1 and 405.6 eV) species. The observed 2:1 ratio of the areas from the 402.1 eV to 405.6 eV peaks suggests the assignment of the peak at 402.1 eV to the two outer nitrogen atoms in the azido group and assignment of the peak at 405.6 eV to the central nitrogen atom in the azido group. The azide decomposition as the function of x-ray exposure was also determined. Finally, XPS analyses were conducted on patterned graphene to investigate the covalent bond formation between the PFPA and graphene. This study provides strong evidence for the formation of covalent bonds during the PFPA photocoupling process.
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