Zhu, F., Chen, X., Lu, Z., Yang, J., Huang, S., & Sun, Z. (2013). Efficiency Enhancement of Inverted Polymer Solar Cells Using Ionic Liquid-functionalized Carbon Nanoparticles-modified ZnO as Electron Selective Layer. Nano-Micro Letters, 6(1), 24-29. https://doi.org/10.1007/BF03353765