A5041055972- Graphene research and applications
- Nanowire Synthesis and Applications
- Advanced Sensor and Energy Harvesting Materials
- Gas Sensing Nanomaterials and Sensors
- 2D Materials and Applications
- Silicon and Solar Cell Technologies
- Semiconductor materials and interfaces
- Analytical Chemistry and Sensors
- Nanoparticles: synthesis and applications
- Advanced Memory and Neural Computing
- Molecular Junctions and Nanostructures
- Quantum and electron transport phenomena
- Advanced Photocatalysis Techniques
- TiO2 Photocatalysis and Solar Cells
- Electrochemical sensors and biosensors
- Diamond and Carbon-based Materials Research
- Perovskite Materials and Applications
- Supercapacitor Materials and Fabrication
- Chalcogenide Semiconductor Thin Films
- Advanced Thermoelectric Materials and Devices
- Algal biology and biofuel production
- Microbial Fuel Cells and Bioremediation
- ZnO doping and properties
Institute of Physics Belgrade
2018-2023
University of Belgrade
2014-2023
We demonstrate a facile fabrication technique for highly conductive and transparent thin graphene films. Sheet conductivity of Langmuir–Blodgett assembled multi-layer films is enhanced through doping with nitric acid, leading to fivefold improvement while retaining the same transparency as un-doped resistivity such chemically improved reaches 10 , optical transmittance 78% in visible. When are encapsulated, sheet effect stable time. In addition, stacking multiple layers, well dependence upon...
Humidity sensing is important to a variety of technologies and industries, ranging from environmental industrial monitoring medical applications. Although humidity sensors abound, few available solutions are thin, transparent, compatible with large-area sensor production flexible, almost none fast enough perform human respiration through breath detection or real-time finger proximity via skin sensing. This work describes chemiresistive graphene-based produced in steps facile liquid phase...
Long-term stable gas sensors by tiled networks from LPE-PtSe 2 .
Graphene films prepared from solution and deposited by Langmuir–Blodgett self-assembly technique (LBSA) were treated with radio-frequency (13.56 MHz) nitrogen plasma in order to investigate the influence of time exposure on work function, sheet resistance, surface morphology LBSA graphene films. Kelvin probe force microscopy resistance measurements confirm functionalization our films, Fermi level shifting a direction that indicates binding pyridinic and/or pyrrolic site. Upon 1 min exposure,...
Measuring relative humidity is important for a myriad of industries, including production, agriculture, environmental monitoring, and medicine.Thin-film, fast-response sensors are particularly interesting wearable applications, such as monitoring breathing.We report on made from graphene deposited thin film by the Langmuir-Blodgett (LB) method three types in solution.We demonstrate sensing respiration bath sonication, probe electrochemical exfoliation.We characterize morphology chemical...
Photosynthetic reaction center proteins (RC) purified from purple bacterial strains were deposited on graphene layer prepared by liquid phase exfoliation and light-induced resistance change was measured. By measuring the temperature dependence of bare RC covered comparing with one inactivated protein unfolding, two effects possible to separate. One them is due effect. The other clearly indicates a electric/electronic interaction between charge flow in pair within protein, which is,...
Gas sensors are an indispensable ingredient of the modern society, finding their use across a range industries that include manufacturing, environmental protection and control, automotive others. Novel applications have been arising, requiring new materials. Here we outline principles gas sensing with focus on chemiresistive-type devices. We follow up summary advantages graphene as material, discussing properties different production methods. Finally, showcase some recent results point to...
A long operational lifetime is required for the use of solar cells in real-life photovoltaic applications.The optimization lifetimes achieved through understanding inherent degradation phenomena cells.In this study, graphene/Si Schottky-junction were produced, utilizing liquid-phase-exfoliated graphene as an active surface.The and interface stability these over a period 5 years ambient conditions (following ISOS-D protocols: dark storage/shelf life) was examined, origin their reported.It...