65 results on '"Stegemann, Bert"'
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2. Influence of laser fluence and pulse duration on patterning of perovskite solar cells: An analysis of optoelectronic and electrical parameters by hyperspectral photoluminescence imaging
3. Ink Design Enabling Slot‐Die Coated Perovskite Solar Cells with >22% Power Conversion Efficiency, Micro‐Modules, and 1 Year of Outdoor Performance Evaluation
4. Laser-based monolithic series interconnection of two-terminal perovskite-CIGSe tandem solar cells: determination of the optimal scribe line properties
5. Slot-die coated perovskite solar cell with 22% power conversion efficiency and minimodules via grain boundaries passivation
6. Scaling Semitransparent Perovskite Solar Cells to Mini-Module for applications in BIPV and Tandems
7. Laser-based series interconnection of chalcopyrite und perovskite solar cells: Analysis of material modifications and implications for achieving small dead area widths
8. Series Interconnection of Monolithic 2-Terminal CIGSe-Perovskite Tandem Cells: Development of a Novel Interconnection Scheme and Laser-based Patterning Processes
9. P3 Nanosecond Laser Patterning of Perovskite Solar Cells: Defect Passivation Through Formation of PbI2 and Br-rich Interface Layers
10. Stability Assessment of p-i-n Perovskite Photovoltaic Mini-Modules Utilizing Different Top Metal Electrodes
11. Compositional and Interfacial Engineering Yield High-Performance and Stable p-i-n Perovskite Solar Cells and Mini-Modules
12. Improved Electrical Performance of Perovskite Photovoltaic Mini‐Modules through Controlled PbI 2 Formation Using Nanosecond Laser Pulses for P3 Patterning
13. 20.8% Slot‐Die Coated MAPbI 3 Perovskite Solar Cells by Optimal DMSO‐Content and Age of 2‐ME Based Precursor Inks
14. Enhanced recombination next to laser-patterned lines in CIGSe solar cells revealed by spectral and time-resolved photoluminescence
15. Anti-Ribbing: Ink Optimization Enables Certified Slot-Die Coated Perovskite Solar Cells with > 22% Certified Power Conversion Efficiency and a Full Year Outdoor Stability
16. Ablation mechanisms of nanosecond and picosecond laser scribing for metal halide perovskite module interconnection – An experimental and numerical analysis
17. Multi crystalline silicon thin films grown directly on low cost soda-lime glass substrates
18. Laser Patterning of Thin Films
19. Evidence of PbI2-Containing Debris Upon P2 Nanosecond Laser Patterning of Perovskite Solar Cells
20. Passivation of Crystalline Silicon Wafers by Ultrathin Oxide Layers: Comparison of Wet-chemical, Plasma and Thermal Oxidation Techniques
21. Observation of PbI2 Residuals after P2 Nanosecond Laser Ablation of Perovskite Absorber Layers
22. Interdigitated back contact silicon heterojunction solar cells: Towards an industrially applicable structuring method
23. Revealing and Identifying Laser-Induced Damages in CIGSe Solar Cells by Photoluminescence Spectroscopy
24. Ultra-thin silicon oxide layers on crystalline silicon wafers: Comparison of advanced oxidation techniques with respect to chemically abrupt SiO 2 /Si interfaces with low defect densities
25. Surface Optimization of Random Pyramid Textured Silicon Substrates for Improving Heterojunction Solar Cells
26. Oxidation of Si Surfaces: Effect of Ambient Air and Water Treatments on Surface Charge and Interface State Density
27. Improved Si/SiOx interface passivation by ultra-thin tunneling oxide layers prepared by rapid thermal oxidation
28. Controlling the thermal impact of ns laser pulses for the preparation of the P2 interconnect by local phase transformation in CIGSe
29. Reduction of the interface defect density on crystalline silicon solar cell substrates by wet-chemical preparation of ultrathin SiOx passivation layers
30. Electrical and structural functionality of CIGSe solar cells patterned with picosecond laser pulses of different wavelengths
31. Improvement of Silicon Solar Cell Substrates by Wet-Chemical Oxidation Studied by Surface Photovoltage Measurements
32. Over 20% conversion efficiency on silicon heterojunction solar cells by IPA-free substrate texturization
33. Silicon Nanodot Layers for Photovoltaic Application: Size/Density Control and Electrical Properties
34. Evolution of the Charge Carrier Lifetime Characteristics in Crystalline Silicon Wafers During Processing of Heterojunction Solar Cells
35. Nonuniform friction-area dependency for antimony oxide surfaces sliding on graphite
36. IPA-free Texturization of n-type Si Wafers: Correlation of Optical, Electronic and Morphological Surface Properties
37. In-line Inspection of P1-P3 Scribes in CIGS Solar Cell Substrates by using Laser Plasma Spectroscopy
38. Passivation of Textured Silicon Wafers:Influence of Pyramid Size Distribution, a-Si:H Deposition Temperature, and Post-treatment
39. Novel concept for laser patterning of thin film solar cells
40. Switching adhesion forces by crossing the metal–insulator transition in Magnéli-type vanadium oxide crystals
41. Effect of wet-chemical substrate smoothing on passivation of ultrathin-SiO2/n-Si(111) interfaces prepared with atomic oxygen at thermal impact energies
42. Frictional duality of metallic nanoparticles: Influence of particle morphology, orientation, and air exposure
43. A model of the passivation of ultrathin SiO2 layer/Si substrate interfaces by atomic hydrogen from a thermalised plasma source
44. Hydrogen passivation of interfacial gap state defects at UHV-prepared ultrathin SiO2 layers on Si(111), Si(110), and Si(100)
45. Ultrathin SiO2layers on Si(111): preparation, interface gap states and the influence of passivation
46. Structure and photoelectrical properties of SiO2/Si/SiO2 single quantum wells prepared under ultrahigh vacuum conditions
47. Photoconductivity in Si/SiO2 Single Quantum Wells and Quantum Dot Layers
48. Ultrahigh Vacuum Preparation and Passivation of Abrupt SiO2/Si(111) Interfaces
49. Frictional Properties of Antimony Nanoparticles: The Influence of Contact Area, Structure, and Surface Contamination
50. Contact-area dependence of frictional forces: Moving adsorbed antimony nanoparticles
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