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http://dx.doi.org/10.1103/physrevb.54.6141 | DOI Listing |
Front Public Health
January 2025
Engineering Research Center of Photoelectric Detection and Perception Technology, Yunnan Normal University, Kunming, China.
The rising incidence of Alzheimer's disease (AD) poses significant challenges to traditional diagnostic methods, which primarily rely on neuropsychological assessments and brain MRIs. The advent of deep learning in medical diagnosis opens new possibilities for early AD detection. In this study, we introduce retinal vessel segmentation methods based on U-Net ad iterative registration Learning (ReIU), which extract retinal vessel maps from OCT angiography (OCT-A) facilities.
View Article and Find Full Text PDFChem Sci
January 2025
School of Chemical Engineering and Technology, GBRCE for Functional Molecular Engineering, IGCME, Sun Yat-sen University 519082 Zhuhai China.
Traditional photosensitive polyimide (PSPI) materials require a high curing temperature and exhibit low transparency, limiting their applications in thermally sensitive optical devices. To overcome this challenge, soluble photosensitive polyimide resins were synthesized based on the structural design of a bio-based magnolol monomer. It is noteworthy that the PI photoresist, developed by using the as-prepared polyimides and non-toxic solvents (2-acetoxy-1-methoxypropane, PGEMA) and other additives, demonstrated an impressive low-temperature curing performance (180 °C).
View Article and Find Full Text PDFACS Omega
January 2025
Department of Physics, Government General Degree College Gopiballavpur-II, Jhargram 721517, India.
Effective engineering of nanostructured materials provides a scope to explore the underlying photoelectric phenomenon completely. A simple cost-effective chemical reduction route is taken to grow nanoparticles of Cd Zn S with varying = 1, 0.7, 0.
View Article and Find Full Text PDFChemistry
January 2025
Yanshan University, Physics, Hebeidajie,438, 066004, Qinhuangdao, CHINA.
Identifying two-dimensional (2D) high-efficiency solar photovoltaic devices remains an urgent challenge in addressing current energy demands. Considering the limits of isolated 2D systems in photovoltaics, one most effective solution is stacking them into van der Waals heterostructures (vdWHs). However, the favorable factors for photovoltaics in vdWHs is still uncertain, nor the intrinsic principles is clear.
View Article and Find Full Text PDFSmall
January 2025
College of Semiconductors (College of Integrated Circuits), Hunan University Changsha, Hunan, 410082, P. R. China.
Tin-based halide perovskites (ASnX) have garnered substantial interest due to their unique photoelectric properties and environmentally friendly features. The A-site ions tuning strategy has been proven to promote material performance. However, there is a lack of systematic research on the optical properties, lattice structure variation, and band structure evolution in tin-based perovskites when the A-site ions tune from organic to inorganic.
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