Flexible Organic Single Crystals with Unconventional Negative Photoconductivity for Intelligent Security Systems - Prodipta Samadder; Charanjeet Singh; Romy Garg; Abhilasha Rani Goel; Subash Chandra Sahoo; Kaushik Parida; Prakash P. Neelakandan (Journal of the American Chemical Society, 2026)