16 results for "Jost Adam"
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Journal Article
Machine learning-based modeling of double perovskites via multi-output prediction of bandgap and dielectric properties
Double perovskites are promising candidates for next-generation photonics, optoelectronics, and photovoltaics owing to their excellent optical and electronic properties, low-cost fabrication, and reduced toxicity relative to lead-based perovskites. Systematic first-principles exploration is…
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Quantum-to-classical modeling of monolayer Ge2Se2 and its application in photovoltaic devices
Since the discovery of graphene in 2004, the unique properties of two-dimensional materials have sparked intense research interest regarding their use as alternative materials in various photonic applications. Transition metal dichalcogenide monolayers have been proposed as transport layers in…
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Vacancy engineering and lithium functionalization of plumbene for CO2 sensing
Abstract Plumbene, the lead (Pb) counterpart of graphene, has recently had a major impact by broadening the exclusive roster of two-dimensional (2D) materials. Here, we report the CO2 gas sensing performances of pristine, vacancy (Pb-vac), lithium (Li)-doped (Pb− Li), Li-decorated pristine (Pb+…
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Strain-induced bandgap engineering in 2D ψ-graphene materials: a first-principles study
High mechanical strength, excellent thermal and electrical conductivity, and tunable properties make two-dimensional (2D) materials attractive for various applications. However, the metallic nature of these materials restricts their applications in specific domains. Strain engineering is a…
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DFT study of CO2 activation on pristine and vacancy-containing 2D-GeC monolayers
Designing a highly reactive adsorbent material for the catalytic conversion of carbon dioxide (CO2) into valuable products to help ameliorate climate change and address the decreasing availability of fossil fuels is a widely explored application of two-dimensional (2D) nanomaterials. Herein, we…
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Journal Article Full text
Photonic Materials Cloud: An Online Interactive Open Tool for Creating, Comparing, and Testing Photonic Materials
Recent advances in nanoscale fabrication and characterization further accelerated research on photonics and plasmonics, which has already attracted long-standing interest. Alongside morphological constraints, phenomena in both fields highly depend on the materials’ optical properties, dimensions…
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Revisiting the Optical Dispersion of Aluminum‐Doped Zinc Oxide: New Perspectives for Plasmonics and Metamaterials
Due to the high rate of optical losses and the extensive usage of noble metals, alternative plasmonic materials with maximum tunability and low loss are desired for future plasmonic and metamaterial devices and applications. Herein, the potential of aluminum‐doped zinc oxide (AZO), one of the most…
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Journal Article
The influence of electrical effects on device performance of organic solar cells with nano-structured electrodes
Abstract Integration of light-trapping features and exploitation of metal nanostructure plasmonic effects are promising approaches for enhancing the power conversion efficiency of organic solar cells. These approaches’ effects on the light absorption enhancement have been widely studied, especially…
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Journal Article
Zirconium Nitride: Optical Properties of an Emerging Intermetallic for Plasmonic Applications
Finding new plasmonic materials with prominent optical properties and unique physical and chemical characteristics, which are merits of traditional gold and silver, is of great interest to many applications. This work uses a series of powerful numerical methods, such as density functional theory…
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Plasmon Response in Individual Conical Silicon Nanowires with Different Lengths
Silicon nanowires (SiNWs) are extensively studied in the scientific community due to their remarkable electrical and optical properties. In our previous studies, we have demonstrated that cylindrical−shaped SiNWs sustain longitudinal plasmon resonances (LPRs) and transverse plasmon resonances…
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Journal Article
Surface Plasmons in Silicon Nanowires
Plasmon resonances (PRs) in metallic nanostructures have been extensively studied, whereas reports on PR in silicon nanowires (Si NWs) are very few, partial, and they refer to structures larger than 100 nm. Discrete resonances in Si NWs with core sizes as small as 30 nm at high resolution are…
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Journal Article Full text
Study of the Molecule Adsorption Process during the Molecular Doping
Molecular Doping (MD) involves the deposition of molecules, containing the dopant atoms and dissolved in liquid solutions, over the surface of a semiconductor before the drive-in step. The control on the characteristics of the final doped samples resides on the in-depth study of the molecule…
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Optimizing Piezoelectric Cantilever Design for Electronic Nose Applications
This work demonstrates a method to optimize materials and dimensions of piezoelectric cantilevers for electronic nose applications via finite element analysis simulations. Here we studied the optimum piezoelectric cantilever configuration for detection of cadaverine, a biomarker for meat ageing, to…
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Journal Article Full text
State-of-the-Art Materials Used in MEMS Micromirror Arrays for Photonic Applications
This work provides an overview on micromirror arrays based on different material systems such as dielectrics, element silicon, compound semiconductors, metals, and novel 2D materials. The goal is to work out the particular strength of each material system to enable optimum performance for various…