XIANG, J.; JIANG, S.; CHENG, Y.; DU, W.; SHI, Y.; SHEN, S.; ZHANG, B.; YUE, Q.; XU, X.; MEI, A.; ZHOU, Y.; ZHOU, Y.; HAN, H. Novel Gradient p-Doping Strategy Enables Efficient Carbon-Based Hole Transport Layer-Free Perovskite Solar Cells. Nano-Micro Letters, [S. l.], v. 18, p. 258, 2026. DOI: 10.1007/s40820-026-02112-z. Disponível em: https://www.nmlett.org/index.php/nml/article/view/2403. Acesso em: 26 feb. 2026.