Tsoi, W. C., Razzell-Hollis, J., Wade, J., Soon, Y., Durrant, J., & Kim, J. (2014). Photochemical stability of high efficiency PTB7: PC70BM solar cell blends. Journal of Materials Chemistry A, 2(47), pp. 20189-20195. doi:10.1039/C4TA05641H

Tsoi, Wing Chung, Joseph Razzell-Hollis, Jessica Wade, Ying Soon, James Durrant, and Ji-Seon Kim. "Photochemical Stability of High Efficiency PTB7: PC70BM Solar Cell Blends." Journal of Materials Chemistry A 2, no. 47 (2014): 20189-20195.

Tsoi, Wing Chung, et al. "Photochemical Stability of High Efficiency PTB7: PC70BM Solar Cell Blends." Journal of Materials Chemistry A 2.47 (2014): 20189-20195.