Search Results - "Halbig, Christian E"

Effect of friction on oxidative graphite intercalation and high-quality graphene formation by Seiler, Steffen, Halbig, Christian E., Grote, Fabian, Rietsch, Philipp, Börrnert, Felix, Kaiser, Ute, Meyer, Bernd, Eigler, Siegfried

“…Oxidative wet-chemical delamination of graphene from graphite is expected to become a scalable production method. However, the formation process of the…”
Get full text

Ultrathin Nanosheets of Oxo‐functionalized Graphene Inhibit the Ion Migration in Perovskite Solar Cells by Li, Meng, Zuo, Wei‐Wei, Wang, Qiong, Wang, Kai‐Li, Zhuo, Ming‐Peng, Köbler, Hans, Halbig, Christian E., Eigler, Siegfried, Yang, Ying‐Guo, Gao, Xing‐Yu, Wang, Zhao‐Kui, Li, Yongfang, Abate, Antonio

“…Mixed cation/halide perovskites have led to a significant increase in the efficiency and stability of perovskite solar cells. However, mobile ionic defects…”
Get full text

Towards the Synthesis of Graphene Azide from Graphene Oxide by Halbig, Christian E, Rietsch, Philipp, Eigler, Siegfried

“…In the last decades, organic azides haven proven to be very useful precursors in organic chemistry, for example in 1,3-dipolar cycloaddition reactions…”
Get full text

In-Plane Carbon Lattice-Defect Regulating Electrochemical Oxygen Reduction to Hydrogen Peroxide Production over Nitrogen-Doped Graphene by Han, Lei, Sun, Yanyan, Li, Shuang, Cheng, Chong, Halbig, Christian E, Feicht, Patrick, Hübner, Jessica Liane, Strasser, Peter, Eigler, Siegfried

“…Carbon-based materials are considered to be active for electrochemical oxygen reduction reaction (ORR) to hydrogen peroxide (H2O2) production. Nevertheless,…”
Get full text

Brodie's or Hummers’ Method: Oxidation Conditions Determine the Structure of Graphene Oxide by Feicht, Patrick, Biskupek, Johannes, Gorelik, Tatiana E., Renner, Julian, Halbig, Christian E., Maranska, Maria, Puchtler, Florian, Kaiser, Ute, Eigler, Siegfried

“…Synthesis and studies of graphite oxide started more than 150 years ago and turned into a boom by the measurements of the outstanding physical properties of…”
Get full text

Origin of Oxygen in Graphene Oxide Revealed by 17 O and 18 O Isotopic Labeling by Halbig, Christian E, Mukherjee, Bristy, Eigler, Siegfried, Garaj, Slaven

“…Wet-chemical oxidation of graphite in a mixture of sulfuric acid with a strong oxidizer, such as potassium permanganate, leads to the formation of graphene…”
Get full text

Origin of Oxygen in Graphene Oxide Revealed by 17O and 18O Isotopic Labeling by Halbig, Christian E., Mukherjee, Bristy, Eigler, Siegfried, Garaj, Slaven

“…Wet-chemical oxidation of graphite in a mixture of sulfuric acid with a strong oxidizer, such as potassium permanganate, leads to the formation of graphene…”
Get full text

Orthogonal Functionalization of Oxo‐Graphene Nanoribbons by Merkel, Lucia, Neumann, Christof, Halbig, Christian E., Habel, Anton, Chen, Xin, Turchanin, Andrey, Eigler, Siegfried

“…Oxo‐graphene nanoribbons (oxo‐GNRs) can be prepared by the oxidative unzipping of single‐walled carbon nanotubes. We present an orthogonal functionalization…”
Get full text

Oxo‐Functionalized Graphene: A Versatile Precursor for Alkylated Graphene Sheets by Reductive Functionalization by Halbig, Christian E., Martin, Oliver, Hauke, Frank, Eigler, Siegfried, Hirsch, Andreas

“…Controlled covalent functionalization of graphene remains a challenging task owing to the heterogeneous nature of materials. Functionalization approaches for…”
Get full text

Endoperoxides Revealed as Origin of the Toxicity of Graphene Oxide by Pieper, Hanna, Chercheja, Serghei, Eigler, Siegfried, Halbig, Christian E., Filipovic, Milos R., Mokhir, Andriy

“…Potential biomedicinal applications of graphene oxide (GO), for example, as a carrier of biomolecules or a reagent for photothermal therapy and biosensing, are…”
Get full text

Evidence for Trans‐Oligoene Chain Formation in Graphene Induced by Iodine by Grote, Fabian, Weintrub, Benjamin I., Kreßler, Mira, Cao, Qing, Halbig, Christian E., Kusch, Patryk, Bolotin, Kirill I., Eigler, Siegfried

“…Functionalization of pristine graphene by hydrogen and fluorine is well studied, resulting in graphane and fluorographene structures. In contrast,…”
Get full text

Highly Intact and Pure Oxo-Functionalized Graphene: Synthesis and Electron-Beam-Induced Reduction by Butz, Benjamin, Dolle, Christian, Halbig, Christian E., Spiecker, Erdmann, Eigler, Siegfried

“…Controlling the chemistry of graphene is necessary to enable applications in materials and life sciences. Research beyond graphene oxide is targeted to avoid…”
Get full text

Graphene Oxide: A One- versus Two-Component Material by Naumov, Anton, Grote, Fabian, Overgaard, Marc, Roth, Alexandra, Halbig, Christian E, Nørgaard, Kasper, Guldi, Dirk M, Eigler, Siegfried

“…The structure of graphene oxide (GO) is a matter of discussion. While established GO models are based on functional groups attached to the carbon framework,…”
Get full text

Selective Functionalization of Graphene at Defect‐Activated Sites by Arylazocarboxylic tert‐Butyl Esters by Halbig, Christian E., Lasch, Roman, Krüll, Jasmin, Pirzer, Anna S., Wang, Zhenping, Kirchhof, Jan N., Bolotin, Kirill I., Heinrich, Markus R., Eigler, Siegfried

“…The development of versatile functionalization concepts for graphene is currently in the focus of research. Upon oxo‐functionalization of graphite, the full…”
Get full text

Quantitative investigation of the fragmentation process and defect density evolution of oxo-functionalized graphene due to ultrasonication and milling by Halbig, Christian E., Nacken, Thomas J., Walter, Johannes, Damm, Cornelia, Eigler, Siegfried, Peukert, Wolfgang

“…In the view of technical and medical applications we examined the effect of ultrasonication and ball milling of oxo-functionalized graphene bearing an almost…”
Get full text

Systematic evaluation of different types of graphene oxide in respect to variations in their in-plane modulus by Feicht, Patrick, Siegel, Renée, Thurn, Herbert, Neubauer, Jens W., Seuss, Maximilian, Szabó, Tamás, Talyzin, Alexandr V., Halbig, Christian E., Eigler, Siegfried, Kunz, Daniel A., Fery, Andreas, Papastavrou, Georg, Senker, Jürgen, Breu, Josef

“…Graphene oxide samples prepared in various laboratories following a diversity of synthesis protocols based on Brodie's (BGO) and Hummers/Offeman's (HGO)…”
Get full text

Frontispiece: Brodie's or Hummers’ Method: Oxidation Conditions Determine the Structure of Graphene Oxide by Feicht, Patrick, Biskupek, Johannes, Gorelik, Tatiana E., Renner, Julian, Halbig, Christian E., Maranska, Maria, Puchtler, Florian, Kaiser, Ute, Eigler, Siegfried

“…The oxidation of graphite may be considered as an art, however, the oxidation of graphite by sodium chlorate (often termed as Brodie's method) and potassium…”
Get full text

Poly(vinylferrocene)-Reduced Graphene Oxide as a High Power/High Capacity Cathodic Battery Material by Beladi-Mousavi, Seyyed Mohsen, Sadaf, Shamaila, Walder, Lorenz, Gallei, Markus, Rüttiger, Christian, Eigler, Siegfried, Halbig, Christian E.

“…The preparation and performance of a new cathodic battery material consisting of a composite of poly(vinylferrocene) (PVFc) and reduced graphene oxide (rGO) is…”
Get full text

Structural factors controlling size reduction of graphene oxide in liquid processing by Nacken, Thomas J., Halbig, Christian E., Wawra, Simon E., Damm, Cornelia, Romeis, Stefan, Walter, Johannes, Tehrani, Mohammad J., Hu, Yichen, Ishii, Yoshitaka, Eigler, Siegfried, Peukert, Wolfgang

“…Graphene oxide materials can be prepared in manifold synthesis approaches and allow for further post-functionalization to adopt the properties of the desired…”
Get full text

Selektive Funktionalisierung von Graphen an defektaktivierten Bereichen durch Arylazocarbonsäure‐tert‐butylester by Halbig, Christian E., Lasch, Roman, Krüll, Jasmin, Pirzer, Anna S., Wang, Zhenping, Kirchhof, Jan N., Bolotin, Kirill I., Heinrich, Markus R., Eigler, Siegfried

“…Die Entwicklung vielseitiger Funktionalisierungskonzepte für Graphen steht derzeit im Fokus der Forschung. Mittels Oxo‐Funktionalisierung von Graphit wird die…”
Get full text