Table 1 PEC Activity comparison of reported solution process chalcopyrite photocathodes for hydrogen evolution.
Photocathode | CIGSSe preparation method | Photocurrent at 0 VRHE (mA·cm−2) | Maximum photocurrent (mA·cm−2) | Ref. |
|---|---|---|---|---|
PVA-CIGSxe | Spin coating | −3 | −22 (at −0.27 V vs. RHE) | This work |
EC-CIGSSe | Spin coating | −6 | −14 (at −0.25 V vs. RHE) | This work |
PVA-CIGSSe/Pt | Spin coating | −16 | −26 (at −0.16 V vs. RHE) | This work |
EC-CIGSSe/Pt | Spin coating | −11 | −24 (at −0.26 V vs. RHE) | This work |
CIGSSe/ZnS/Pt | Spin coating | −16 | −24 (at −0.3 V vs. RHE) | |
Bi:CIS2/CdS/ TiO2/Pt | Nanoparticle | −8 | −8 (at 0 V vs. RHE) | |
CIGS2/CdS/Pt | Spin coating | −6 | −11 (at ~−0.4 V vs. RHE) | |
CIS2/CdS/TiO2/Pt | Electrodeposition | −13 | −14 (at −0.1 V vs. RHE) |
