Gong et al. report an all-perovskite photovoltaic-powered battery using ethyl viologen diiodide and its derivative to modify the perovskite solar cell and the battery cathode, enabling an overall energy conversion efficiency of 18.54%. The flexible version powers a wearable glucose monitor for 24 h.
- Jie Gong
- Danpeng Gao
- Zonglong Zhu
