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Article
Open AccessOutcome prediction of cardiac arrest with automatically computed gray-white matter ratio on computed tomography images
This study aimed to develop an automated method to measure the gray-white matter ratio (GWR) from brain computed tomography (CT) scans of patients with out-of-hospital cardiac arrest (OHCA) and assess its sign...
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Article
Perovskite superlattices with efficient carrier dynamics
Compared with their three-dimensional (3D) counterparts, low-dimensional metal halide perovskites (2D and quasi-2D; B2An−1MnX3n+1, such as B = R-NH3+, A = HC(NH2)2+, Cs+; M = Pb2+, Sn2+; X = Cl−, Br−, I−) with pe...
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Chapter and Conference Paper
Brain Tumor Segmentation (BraTS) Challenge Short Paper: Improving Three-Dimensional Brain Tumor Segmentation Using SegResnet and Hybrid Boundary-Dice Loss
The advancements in biotechnology and healthcare have led to the increasing use of artificial intelligence in medical imaging analysis. Recently, image recognition technology such as deep learning has become a...
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Chapter
Emerging Lead-Halide Perovskite Semiconductor for Solid-State Detectors
Lead-halide perovskites are a class of emerging semiconducting materials for new-generation solid-state radiation detectors (SSRDs). These materials combine properties like high atomic number elements (i.e., l...
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Article
Bright and stable light-emitting diodes made with perovskite nanocrystals stabilized in metal–organic frameworks
Perovskite nanocrystals are exceptional candidates for light-emitting diodes (LEDs). However, they are unstable in the solid film and tend to degrade back to the bulk phase, which undermines their potential fo...
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Article
Open AccessIn-situ observation of trapped carriers in organic metal halide perovskite films with ultra-fast temporal and ultra-high energetic resolutions
We in-situ observe the ultrafast dynamics of trapped carriers in organic methyl ammonium lead halide perovskite thin films by ultrafast photocurrent spectroscopy with a sub-25 picosecond time resolution. Upon ...
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Article
Open AccessHighly efficient photoelectric effect in halide perovskites for regenerative electron sources
Electron sources are a critical component in a wide range of applications such as electron-beam accelerator facilities, photomultipliers, and image intensifiers for night vision. We report efficient, regenerat...
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Article
A fabrication process for flexible single-crystal perovskite devices
Organic–inorganic hybrid perovskites have electronic and optoelectronic properties that make them appealing in many device applications1–4. Although many approaches focus on polycrystalline materials5–7, single-c...
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Article
Open AccessDesign principles for electronic charge transport in solution-processed vertically stacked 2D perovskite quantum wells
State-of-the-art quantum-well-based devices such as photovoltaics, photodetectors, and light-emission devices are enabled by understanding the nature and the exact mechanism of electronic charge transport. Rud...
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Article
High-efficiency two-dimensional Ruddlesden–Popper perovskite solar cells
Thin-film solar cells were fabricated using layered two-dimensional perovskites with near-single-crystalline out-of-plane alignment, which facilitates efficient charge transport leading to greatly improved pow...
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Article
Open AccessLight-activated photocurrent degradation and self-healing in perovskite solar cells
Solution-processed organometallic perovskite solar cells have emerged as one of the most promising thin-film photovoltaic technology. However, a key challenge is their lack of stability over prolonged solar ir...
