Yuqi Sun

Jun 25, 2024 | nature.com | Lingmei Kong |Yuqi Sun |Kangyu Ji |Yunguo Li |Yingguo Yang |Linjie Dai | +5 more

Correction to: Nature https://doi.org/10.1038/s41586-024-07531-9 Published online 12 June 2024In the version of the article initially published, the x axis of Fig. 3e originally began at “10–2” which has now been amended to “10–1” in the HTML and PDF versions of the article. About this articleKong, L., Sun, Y., Zhao, B. et al. Publisher Correction: Fabrication of red-emitting perovskite LEDs by stabilizing their octahedral structure. Nature (2024).

Jun 12, 2024 | nature.com | Lingmei Kong |Yuqi Sun |Kangyu Ji |Yunguo Li |Yingguo Yang |Linjie Dai | +5 more

AbstractLight-emitting diodes (LEDs) based on metal halide perovskites (PeLEDs) with high colour quality and facile solution processing are promising candidates for full-colour and high-definition displays1,2,3,4. Despite the great success achieved in green PeLEDs with lead bromide perovskites5, it is still challenging to realize pure-red (620–650 nm) LEDs using iodine-based counterparts, as they are constrained by the low intrinsic bandgap6.

Feb 28, 2024 | mdpi.com | Yuqi Sun

1. IntroductionIn this paper, we study the relationship between the coarse isometry and linear isometry of Banach spaces by using the coarse left-inverse operators. Throughout this article, we consider X and Y as real Banach spaces. We first recall the definitions of coarse isometry and coarse left-inverse operator. Definition 1. Let f:X→Y be a mapping. Putεf(s)=supw1,w2∈X,∥w1−w2∥≤s{|∥f(w1)−f(w2)∥−∥w1−w2∥|}fors≥0.

Feb 23, 2024 | nature.com | Junzhi Ye |Aobo Ren |Linjie Dai |Tomi K. Baikie |Renjun Guo |Sebastian Gorgon | +16 more

AbstractPolarized light is critical for a wide range of applications, but is usually generated by filtering unpolarized light, which leads to substantial energy losses and requires additional optics. Here we demonstrate the direct emission of linearly polarized light from light-emitting diodes made of CsPbI3 perovskite nanoplatelet superlattices.

Jan 26, 2024 | nature.com | Shuai Yuan |Linjie Dai |Yuqi Sun |Florian Auras |Yun Liu |Cathal Cassidy | +10 more

AbstractPerovskite light-emitting diodes (LEDs) show promises for next-generation displays owing to their excellent luminescent properties and low cost. Despite substantial progress with green- and red-emitting devices, the development of efficient blue perovskite LEDs has lagged behind.