Comment on “Energy harvesting from shadow-effect” by Q. Zhang, Q. Liang, D. K. Nandakumar, S. K. Ravi, H. Qu, L. Suresh, X. Zhang, Y. Zhang, L. Yang, A. T. S. Wee and S. C. Tan, Energy Environ. Sci., 2020, 13, 2404

A physical mechanism of “energy harvesting from shadow-effect” considering the equivalent circuit of the device to consist of two Schottky junctions.