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View article: Improved Performance and Stability of Perovskite Solar Cells by Incorporating Silicon Quantum Dots within the FAPbI<sub>3</sub> Active Layer
Improved Performance and Stability of Perovskite Solar Cells by Incorporating Silicon Quantum Dots within the FAPbI<sub>3</sub> Active Layer Open
Embedding inorganic quantum dots (iQDs) within the perovskite absorber offers a promising route to improve both efficiency and stability in perovskite solar cells (PSCs). Due to the defect‐tolerant nature of lead halide perovskites, iQDs c…
View article: Monolithic Perovskite/Silicon Tandem Solar Cells Enabled by Multifunctional TiO <sub>x</sub> Interconnects
Monolithic Perovskite/Silicon Tandem Solar Cells Enabled by Multifunctional TiO <sub>x</sub> Interconnects Open
Perovskite‐on‐silicon tandem solar cells have emerged as a leading technology enabling high power conversion efficiencies (PCE) over 30%. Despite current progress, the intrinsic multilayer device design presents vast challenges in complexi…
View article: Formamidinium lead iodide perovskite photovoltaics with MoS2 quantum dots
Formamidinium lead iodide perovskite photovoltaics with MoS2 quantum dots Open
We present the formation of a composite film made out of formamidinium lead iodide (FAPI) and molybdenum disulphide quantum dots (MoS 2 QDs) and propose a corresponding photovoltaic device architecture based on a ‘ type-I ’ alignment of th…
View article: Nanoscale Size Control of Si Pyramid Texture for Perovskite/Si Tandem Solar Cells Enabling Solution‐Based Perovskite Top‐Cell Fabrication and Improved Si Bottom‐Cell Response
Nanoscale Size Control of Si Pyramid Texture for Perovskite/Si Tandem Solar Cells Enabling Solution‐Based Perovskite Top‐Cell Fabrication and Improved Si Bottom‐Cell Response Open
A monolithic perovskite/silicon tandem solar cell architecture is employed to surpass the single‐junction efficiency limit. Recently, there is an increasing need for the double‐sided textures in the Si bottom cell to be compatible with the…
View article: Stability of silicon–tin alloyed nanocrystals with high tin concentration synthesized by femtosecond laser plasma in liquid media
Stability of silicon–tin alloyed nanocrystals with high tin concentration synthesized by femtosecond laser plasma in liquid media Open
Nanocrystals have a great potential for future materials with tunable bandgap, due to their optical properties that are related with the material used, their sizes and their surface termination. Here, we concentrate on the silicon–tin allo…
View article: MLozach_ScientificReports2023_Dataset
MLozach_ScientificReports2023_Dataset Open
Dataset1: Calculation of the Si-NCs bandgap as a function of NCs size by using the Brus equation. Dataset2: High resolution (HR-)XRD analysis, using synchrotron radiation at SPring 8 (wavelength of 1˚A), of SiSn-NCs fabricated by fs-laser…
View article: Carrier extraction from metallic perovskite oxide nanoparticles
Carrier extraction from metallic perovskite oxide nanoparticles Open
We observe the extraction of carriers excited between two types of bands in the perovskite oxide, Sr-deficient strontium niobate (Sr 0.9 NbO 3 ).
View article: Tuning the Bandgap Character of Quantum‐Confined Si–Sn Alloyed Nanocrystals
Tuning the Bandgap Character of Quantum‐Confined Si–Sn Alloyed Nanocrystals Open
Nanocrystals in the regime between molecules and bulk give rise to unique electronic properties. Here, a thorough study focusing on quantum‐confined nanocrystals (NCs) is provided. At the level of density functional theory an approximate (…
View article: Nanostructured Perovskite Solar Cells
Nanostructured Perovskite Solar Cells Open
Over the past decade, lead halide perovskites have emerged as one of the leading photovoltaic materials due to their long carrier lifetimes, high absorption coefficients, high tolerance to defects, and facile processing methods. With a ban…
View article: Performance and stability gain in zero-dimensional perovskite solar cells after >2 years when hybridized with silicon nanocrystals
Performance and stability gain in zero-dimensional perovskite solar cells after >2 years when hybridized with silicon nanocrystals Open
We report highly stable zero-dimensional (CH3NH3)3Bi2I9 photovoltaic cells which demonstrate a 33% increase in performance after 2 years when hybridized with silicon nanocrystals (SiNCs).
View article: Probing the structure–property–composition relationship in organic–inorganic tri-halide perovskites
Probing the structure–property–composition relationship in organic–inorganic tri-halide perovskites Open
Here, we have synthesised a range of samples, with the formula (CH3NH3)1−2x(H3NC2H4NH3)xPbI3, with different levels of ethylenediammonium substitution to probe non-stoichiometry at the A-site of the perovskite.
View article: Bandgap Engineering in OH‐Functionalized Silicon Nanocrystals: Interplay between Surface Functionalization and Quantum Confinement
Bandgap Engineering in OH‐Functionalized Silicon Nanocrystals: Interplay between Surface Functionalization and Quantum Confinement Open
In this work, a systematic first‐principles study of the quasi‐band structure of silicon nanocrystals (Si‐NCs) is provided, focusing on bandgap engineering by combining quantum confinement of the electronic states with OH surface‐functiona…
View article: Stable ultrathin surfactant‐free surface‐engineered silicon nanocrystal solar cells deposited at room temperature
Stable ultrathin surfactant‐free surface‐engineered silicon nanocrystal solar cells deposited at room temperature Open
We present a scalable technology at room temperature for the fabrication of ultrathin films based on surfactant‐free surface‐engineered silicon nanocrystals (Si NC s). Environmentally friendly pulsed fsec laser induced surface engineering …
View article: Cover Image
Cover Image Open
The cover image, by Vladimir Švrček et al., is based on the Research Article Stable ultrathin surfactant free surface-engineered silicon nanocrystal solar cells deposited at room temperature, DOI: 10.1002/ese3.165.
View article: Surface-engineered silicon nanocrystals
Surface-engineered silicon nanocrystals Open
This chapter outlines that the SiNC properties are strongly dependent on the surface, and methods to modify surface terminations. It discusses freestanding SiNCs, where "freestanding" refers to unsupported SiNCs which are neither grown wit…
View article: Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals
Zero-dimensional methylammonium iodo bismuthate solar cells and synergistic interactions with silicon nanocrystals Open
Organometal trihalide perovskite solar cells have attracted monumental attention in recent years.