N. Jeon

Publications65
h-index32
Citations27,248
Highly Influential Citations148
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Solvent engineering for high-performance inorganic-organic hybrid perovskite solar cells.
TLDR
A bilayer architecture comprising the key features of mesoscopic and planar structures obtained by a fully solution-based process is reported, providing important progress towards the understanding of the role of solution-processing in the realization of low-cost and highly efficient perovskite solar cells.
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Compositional engineering of perovskite materials for high-performance solar cells
TLDR
This work combines the promising—but relatively unstable formamidinium lead iodide with FAPbI3 with methylammonium lead bromide as the light-harvesting unit in a bilayer solar-cell architecture and improves the power conversion efficiency of the solar cell to more than 18 per cent under a standard illumination.
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High-performance photovoltaic perovskite layers fabricated through intramolecular exchange
TLDR
An approach for depositing high-quality FAPbI3 films, involving FAP bI3 crystallization by the direct intramolecular exchange of dimethylsulfoxide (DMSO) molecules intercalated in PbI2 with formamidinium iodide is reported.
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Iodide management in formamidinium-lead-halide–based perovskite layers for efficient solar cells
TLDR
The introduction of additional iodide ions into the organic cation solution, which is used to form the perovskite layers through an intramolecular exchanging process, decreases the concentration of deep-level defects, enabling the fabrication of PSCs with a certified power conversion efficiency.
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Efficient, stable and scalable perovskite solar cells using poly(3-hexylthiophene)
TLDR
A double-layered halide architecture for perovskite solar cells enables the use of dopant-free poly(3-hexylthiophene) as a hole-transport material, forming stable and scalable devices with a certified power conversion efficiency of 22.7 per cent.
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Voltage output of efficient perovskite solar cells with high open-circuit voltage and fill factor
Besides the generated photocurrent as a key factor that impacts the efficiency of solar cells, the produced photovoltage and fill factor are also of critical importance. Therefore, understanding and…
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Benefits of very thin PCBM and LiF layers for solution-processed p–i–n perovskite solar cells
Highly efficient p–i–n perovskite solar cells employing a flat and thick CH3NH3PbI3 film and a thin PCBM film are fabricated by the solution-process at low temperature. Through attainment of…
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Fabrication of metal-oxide-free CH3NH3PbI3 perovskite solar cells processed at low temperature
Efficient metal-oxide-free perovskite solar cells were successfully developed by employing the N–I–P architecture. The modified solvent engineering process employing a diethylether drip as an…
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A fluorene-terminated hole-transporting material for highly efficient and stable perovskite solar cells
Perovskite solar cells (PSCs) require both high efficiency and good long-term stability if they are to be commercialized. It is crucial to finely optimize the energy level matching between the…
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Efficient perovskite solar cells via improved carrier management.
TLDR
A holistic approach to improving the performance of PSCs through enhanced charge carrier management is reported, which develops an electron transport layer with an ideal film coverage, thickness and composition by tuning the chemical bath deposition of tin dioxide.
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