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Effect of TCNQ layer cover on oxidation dynamics of black phosphorus
Laura Meingast, Maria Koleśnik-Gray, Martin Siebert +7
The puckered surface of black phosphorus represents an ideal substrate for an unconventional arrangement of physisorbed species and the resulting specific two-dimensional chemistry…
Incidence of multilayers in chemically exfoliated graphene
P. Szirmai, B. G. Márkus, J. C. Chacón-Torres +11
An efficient route to synthesize macroscopic amounts of graphene is highly desired and a bulk characterization of such samples, in terms of the number of layers, is equally importa…
Optimized single-layer MoS2 field-effect transistors by non-covalent functionalisation
HyunJeong Kim WungYeon Kim, Maria O'Brien, Niall McEvoy +6
Field-effect transistors (FETs) with non-covalently functionalised molybdenum disulfide (MoS2) channels grown by chemical vapour deposition (CVD) on SiO2 are reported. The dangling…
Electronic properties of air-sensitive nanomaterials probed with microwave impedance measurements
B. G. Márkus, G. Csősz, O. Sági +10
Characterization of electronic properties of novel materials is of great importance for exploratory materials development and also for the discovery of new correlated phases. As se…
Basic Insights into Tunable Graphene Hydrogenation
Ricarda A. Schäfer, Daniela Dasler, Udo Mundloch +2
The hydrogenation and deuteration of graphite with potassium intercalation compounds (GICs) as starting materials was investigated. Characterization of the reactions products (hydr…
Polyhydrogenated Graphene - Excited State Dynamics in Photo- and Electroactive 2D-Domains
Volker Strauss, Ricarda A. Schäfer, Frank Hauke +2
Understanding the phenomenon of intense photoluminescence in carbon materials such as hydrogenated graphene, graphene nanoribbons, etc. is at the forefront of investigations. In th…
Novel λ^3-Iodane Based Functionalization of Synthetic Carbon Allotropes (SCAs) - Common Concepts and Quantification of the Degree of Addition
Ferdinand Hof, Ricarda A. Schaefer, Cornelius Weiss +2
The covalent functionalization of carbon allotropes represents a main topic in the growing field of nano materials. However, the development of functional architectures is impeded…
Reductive Arylation of Graphene: Insights into a Reversible Carbon Allotrope Functionalization Reaction
Philipp Vecera, Konstantin Edelthalhammer, Frank Hauke +1
The covalent functionalization of graphene represents a main topic in the growing field of nano materials. The reductive exfoliation of graphite with concomitant functionalization…
Alkoxide-intercalated NiFe-layered double hydroxides magnetic nanosheets as efficient water oxidation electrocatalysts
Jose A. Carrasco, Jorge Romero, María Varela +4
Alkoxide-intercalated NiFe-layered double hydroxides were synthesized via the nonaqueous methanolic route. These nanoplatelets exhibit high crystalline quality as demonstrated by a…
Novel EDTA-Ligands Containing an Integral Perylene Bisimide (PBI) Core as Optical Reporter Unit
Mario Marcia, Prabhpreet Singh, Frank Hauke +2
The synthesis, characterization and metal complexation of a new class of perylene bisimides (PBIs) being an integral part of ethylenediaminetetraacetic acid (EDTA) is reported. The…
Reductive Functionalization of Graphenides with Nickel(II) Porphyrin Diazonium Compounds
Hui-Lei Hou, Daniela Dasler, Frank Hauke +1
A novel type of a graphene/porphyrin hybrid with a direct covalent linker between graphene and a nickel(II) tetraphenylporphyrin unit has successfully been synthesized by the reduc…
Substrate-Modulated Reductive Graphene Functionalization
Ricarda A. Schäfer, Konstantin Weber, Frank Hauke +3
Covalently functionalizing mechanical exfoliated monolayer and bilayer graphenides with λ-iodanes led to the discovery that the monolayers supported on a SiO2 substrate are conside…
Noncovalent Functionalization of Black Phosphorus
Gonzalo Abellán, Vicent Lloret, Udo Mundloch +6
The first non-covalent functionalization of black phosphorus (BP) is presented. The treatment of BP with electron- withdrawing 7,7,8,8-tetracyano-p-quinodimethane (TCNQ) leads to e…
Highly Integrated Organic-Inorganic Hybrid Architectures by Non-Covalent Exfoliation of Graphite and Assembly with Zinc Oxide Nanoparticles
Mario Marcia, Chau Vinh, Christian Dolle +7
Herein, we report an easy, straight forward, and versatile approach to build 0D/2D hybrid nanoparticle/graphene architectures by means of non-covalent chemistry and a modified Laye…
Double- and Single-Sided bis-Functionalization of Graphene
Kathrin C. Knirsch, Ricarda A. Schäfer, Frank Hauke +1
For the first time bis-functionalization of graphene employing two successive reduction and covalent bond formation steps are reported. Both bulk functionalization in solution and…
Electronic and magnetic properties of black phosphorus
Bence G. Márkus, Ferenc Simon, Károly Nagy +6
Black phosphorus has emerged as the next member in the graphene inspired two-dimensional materials family. Its electronic and magnetic properties are studied herein using electron…
Perylene-Based Non-Covalent Functionalization of 2D Materials
Mario Marcia, Andreas Hirsch, Frank Hauke
The surfactant assisted exfoliation and non-covalent functionalization of two-dimensional layered materials, like graphene, transition metal dichalcogenides, etc., has extraordinar…