Advances in Polymethine Dyes for Near-Infrared Organic Photodiodes

Contents 1.Introduction 1400 1.1.Brief introduction of NIR OPDs 1400 1.2.Brief introduction of polymethine dyes 1401 2.Development of Polymethine-Based NIR OPDs 1403 2.1.Performance metrics for polymethine-based NIR OPDs 1403 2.2.NIR-responsive polymethine dyes and their broadband OPDs performance 1404 2.3.J-aggregated polymethine dyes for narrowband NIR OPDs 1408 3.Emerging Applications of Polymethine-Based NIR OPDs 1410 3.1.All-organic optical upconversion devices 1410 3.2.Photoplethysmography sensors 1411 4.Conclusions and Perspectives 1412