Articles with "cspbibr2" as a keyword



PEG Modified CsPbIBr2 Perovskite Film for Efficient and Stable Solar Cells

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Published in 2020 at "Advanced Materials Interfaces"

DOI: 10.1002/admi.202000537

Abstract: Cesium lead mixed‐halide perovskite (CsPbIBr2), as one of the all‐inorganic perovskites, has attracted great attention owing to its great ambient stability and suitable bandgap. Unfortunately, due to its low film coverage, high density of defects… read more here.

Keywords: perovskite; peg modified; film; cspbibr2 ... See more keywords

Critical role of interface contact modulation in realizing low-temperature fabrication of efficient and stable CsPbIBr2 perovskite solar cells

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Published in 2020 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2020.124903

Abstract: Abstract CsPbIBr2 perovskite solar cells (PSCs) have received considerable concern due to their excellent stability. However, the interface defects and imperfect band alignment between electron transporting layer (ETL) and perovskite is one of the main… read more here.

Keywords: cspbibr2; low temperature; zno; interface ... See more keywords

High-efficiency and ultraviolet stable carbon-based CsPbIBr2 solar cells from single crystal three-dimensional anatase titanium dioxide nanoarrays with ultraviolet light shielding function.

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Published in 2022 at "Journal of colloid and interface science"

DOI: 10.1016/j.jcis.2022.02.049

Abstract: TiO2 is commonly used to prepare electron transport layers (ETLs) in perovskite solar cells (PSCs). However, conventional TiO2 ETLs suffer from low electron mobility and charge recombination. Here, we report the direct growth of TiO2… read more here.

Keywords: tio2 etls; ultraviolet; cspbibr2; tio2 ... See more keywords

Vertical Compositional Heterogeneity Induces Instability in All-Inorganic CsPbIBr2 Perovskites

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Published in 2024 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.4c01898

Abstract: Understanding the vertical compositional homogeneity and defect distribution is of paramount importance in elucidating and maximizing the performance of halide-perovskite-based optoelectronic devices. This work reports the depth-dependent study of the chemical composition and metallic Pb0… read more here.

Keywords: perovskite films; spectroscopy; cspbibr2; pb0 ... See more keywords

Defect Passivation of CsPbIBr2 Perovskites for High-Performance Solar Cells with Large Open-Circuit Voltage of 1.28 V

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Published in 2018 at "ACS Applied Energy Materials"

DOI: 10.1021/acsaem.8b01430

Abstract: As one of the all-inorganic perovskites, cesium lead mixed-halid perovskite (CsPbIBr2) has a bright photovoltaic application prospect owing to its ambient stability, appropriate bandgap, and distinctive color. However, the defect states in grain boundaries and… read more here.

Keywords: open circuit; cspbibr2; circuit; performance ... See more keywords

Suppressing Halide Phase Segregation in CsPbIBr2 Films by Polymer Modification for Hysteresis-Less All-Inorganic Perovskite Solar Cells.

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Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.0c20135

Abstract: All-inorganic perovskite CsPbIBr2 materials are promising for optoelectronics, owing to their upgraded ambient stability and suitable bandgap. Unfortunately, they generally undergo severe halide phase segregation under illumination, which creates many iodide-rich and bromide-rich domains coupled… read more here.

Keywords: phase segregation; cspbibr2; halide phase; perovskite ... See more keywords

Performance Enhancement of Hole Transport Layer-Free Carbon-Based CsPbIBr2 Solar Cells through the Application of Perovskite Quantum Dots

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Published in 2024 at "Nanomaterials"

DOI: 10.3390/nano14201651

Abstract: CsPbIBr2, with its suitable bandgap, shows great potential as the top cell in tandem solar cells. Nonetheless, its further development is hindered by a high defect density, severe carrier recombination, and poor stability. In this… read more here.

Keywords: cspbibr2; performance enhancement; solar cells; enhancement hole ... See more keywords