defects

3 Articles
Image-based model enhances the detection of surface defects in low-light industrial settings
Tech

Image-based model enhances the detection of surface defects in low-light industrial settings

Researchers have designed a robust image-based anomaly detection (AD) framework with illumination enhancement and noise suppression features that can enhance the detection of...

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency
Tech

Passivation technique reduces defects in kesterite solar cells to achieve 11.51% efficiency

Solar cell fabrication and photovoltaic performance. Credit: Nature Energy (2025). DOI: 10.1038/s41560-025-01756-2 Over the past few decades, solar cells have become increasingly widespread,...

3D-printing advance mitigates three defects simultaneously for failure-free metal parts
Tech

3D-printing advance mitigates three defects simultaneously for failure-free metal parts

From left: Associate Professor Lianyi Chen and Ph.D. students Jiandong Yuan and Ali Nabaa work on developing beam shaping approaches for defect-lean and...