FIGURE 5 PV-EC performance of CO2RR. (A) FE toward CO in CO2 saturated 0.1 M KHCO3and (B) CO partial current density (jco) depending over a broad applied potential. (C) The linear sweep voltammetry (LSV) curve of Ag (CO2RR) and Pt film (HER) at a scan rate of 50 mV s–1. (D) The I/V curve shows the photovoltaic performance of a six-section a-Si cell under AM 1.5 G illumination. (E) Cathode voltage of chronoamperometry measurement (F) and FE toward CO in the PV-EC device characteristic assisted by a six-section a-Si photovoltaics. Reproduced with the permission.[101] Copyright 2018, Royal Society of Chemistry