Theoretical Insight into the Oxyacid Anions Boost Tin‐Based Perovskite Toward the Oxygen Contamination Avoidance and Charge Carrier Lifetime Extension
Sign Up to like & getrecommendations! Published in 2025 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202503757
Abstract: Tin (Sn)‐based perovskite solar cells (PSCs) stand out as a promising low‐toxicity alternative to lead (Pb)‐based PSCs. However, their progress is hindered by oxygen‐induced degradation and inherent crystal defects, challenging their efficiency and durability. Through… read more here.
Keywords: charge carrier; oxygen; based perovskite; carrier lifetime ... See more keywords
Ultra-Long Carrier Lifetime Exceeding 20 μs in Lead Halide Perovskite Film Enable Efficient Solar Cells.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202212126
Abstract: The carrier lifetime is one of the key parameters for perovskite solar cells. However, it's still a great challenge to achieve long carrier lifetimes in perovskite films that are comparable with perovskite crystals owning to… read more here.
Keywords: carrier lifetime; carrier; solar cells; film ... See more keywords
Large Band Gap Narrowing and Prolonged Carrier Lifetime of (C4H9NH3)2PbI4 under High Pressure
Sign Up to like & getrecommendations! Published in 2019 at "Advanced Science"
DOI: 10.1002/advs.201900240
Abstract: Abstract Due to their superior optical and electronic properties and good stability, 2D organic–inorganic halide perovskites (OIHPs) exhibit strong potential for optoelectronic applications. However, the large band gap, short carrier lifetime, and high resistance hinder… read more here.
Keywords: carrier lifetime; gap; band gap; pressure ... See more keywords
Identifying the Real Minority Carrier Lifetime in Nonideal Semiconductors: A Case Study of Kesterite Materials
Sign Up to like & getrecommendations! Published in 2017 at "Advanced Energy Materials"
DOI: 10.1002/aenm.201700167
Abstract: Time-resolved photoluminescence (TRPL) is a powerful characterization technique to study carrier dynamics and quantify absorber quality in semiconductors. The minority carrier lifetime, which is critically important for high-performance solar cells, is often derived from TRPL… read more here.
Keywords: study; kesterite materials; carrier lifetime; carrier ... See more keywords
Research on surface nano-texturation and wet-chemical passivation of multi-crystalline silicon wafer
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Materials Science: Materials in Electronics"
DOI: 10.1007/s10854-017-7832-3
Abstract: Surfaces nano-texturing has triggered off much attention for trapping sunlight to improve the efficiency of solar cells. Silicon nanowire (SiNWs) arrays, with excellent antireflection performance, will hopefully improve photoelectric conversion of solar cells, however, the… read more here.
Keywords: effective carrier; passivation; surface; carrier lifetime ... See more keywords
Vertical Dipole Dominates Charge Carrier Lifetime in Monolayer Janus MoSSe.
Sign Up to like & getrecommendations! Published in 2024 at "Nano letters"
DOI: 10.1021/acs.nanolett.4c01577
Abstract: Two-dimensional semiconductor materials with vertical dipoles are promising photocatalysts as vertical dipoles not only promote the electron-hole separation but also enhance the carrier redox ability. However, the influence of vertical dipoles on carrier recombination in… read more here.
Keywords: vertical dipoles; janus mosse; vertical dipole; carrier ... See more keywords
Fabrication of Perovskite Films with Long Carrier Lifetime for Efficient Perovskite Solar Cells from Low-Toxicity 1-Ethyl-2-Pyrrolidone
Sign Up to like & getrecommendations! Published in 2018 at "ACS Applied Energy Materials"
DOI: 10.1021/acsaem.8b01327
Abstract: High-quality perovskite films with large grains and long carrier lifetime are crucial for efficient solar cells. It is a simple and effective way to increase the perovskite grain size by adding some additives in the… read more here.
Keywords: carrier lifetime; perovskite films; long carrier; solar cells ... See more keywords
Nanosecond Carrier Lifetime of Hexagonal Ge
Sign Up to like & getrecommendations! Published in 2024 at "ACS Photonics"
DOI: 10.1021/acsphotonics.4c01135
Abstract: Hexagonal Si1–xGex with suitable alloy composition promises to become a new silicon compatible direct bandgap family of semiconductors. Theoretical calculations, however, predict that the binary end point of this family, the bulk hex-Ge crystal, is… read more here.
Keywords: lifetime hexagonal; carrier; hex; si1 xgex ... See more keywords
Correlated organic-inorganic motion enhances stability and charge carrier lifetime in mixed halide perovskites.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d1nr07732e
Abstract: Organic cations are believed to have little influence on the charge carrier lifetime in hybrid organic-inorganic perovskites. Experiments defy this expectation. We consider formamidinium lead iodide (FAPbI3) doping with and without Br as two prototypical… read more here.
Keywords: carrier lifetime; recombination; charge; organic inorganic ... See more keywords
Quantum well capture and base carrier lifetime in light emitting transistor
Sign Up to like & getrecommendations! Published in 2018 at "Applied Physics Letters"
DOI: 10.1063/1.5044758
Abstract: We carry out the physical modeling of the light emitting transistor (LET) operation with the focus on the carrier lifetime in the base, which is a key factor in the device speed performances. Our model… read more here.
Keywords: emitting transistor; carrier lifetime; base; light emitting ... See more keywords
Deep-level defects in high-voltage AlGaAs p–i–n diodes and the effect of these defects on the temperature dependence of the minority carrier lifetime
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/5.0018317
Abstract: The variation of the effective lifetime of minority carrier lifetime τeff with temperature has been studied in the temperature range 300–580 K in AlxGa1−xAs base regions of p+–p0–i–n0–n+ high-voltage GaAs–AlGaAs diodes grown by liquid-phase epitaxy. It… read more here.
Keywords: high voltage; temperature; algaas diodes; level ... See more keywords