Ding Z, Zhang T, Li Y, Shi J, Zhang CJ. RingFormer: A Ring-Enhanced Graph Transformer for Organic Solar Cell Property Prediction. AAAI [Internet]. 2025 Apr. 11 [cited 2026 May 13];39(1):155-63. Available from: https://ojs.aaai.org/index.php/AAAI/article/view/31991