Flexible hybrid-mode triboelectric nanogenerator with wrinkled P(VDF-TrFE)/MXene nanofibers for high-efficiency raindrop energy harvesting - Mengnan Qu; Ziqi Liu; Xiao Wei; Hui Liu; Qinghua Liu; Ruizhe Zhang; Kun Xue; Zongrui Huang; Yi Wang; Jinmei He (Journal of Environmental Chemical Engineering, 2026)