Wang, D., D. Zhang, P. Li, Z. Yang, Q. Mi, and L. Yu. “Electrospinning of Flexible Poly(vinyl alcohol)/MXene Nanofiber-Based Humidity Sensor Self-Powered by Monolayer Molybdenum Diselenide Piezoelectric Nanogenerator”. Nano-Micro Letters, vol. 13, Jan. 2021, p. 57, doi:10.1007/s40820-020-00580-5.