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APA Citation
Zhang, W., Wan, L., Li, X., Wu, Y., Fu, S., & Fang, J. (2019). a dopant-free polyelectrolyte hole-transport layer for high efficiency and stable planar perovskite solar cells. Journal of materials chemistry, 7(32), 18898–18905. http://access.bl.uk/ark:/81055/vdc_100089559938.0x000017