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fig1d_S2CA4h_0mPt.xlsx
Two Si/GaN photocathodes were compared. Sample #2 (named as S#2) was CA tested for 4 hours under same testing conditions described in Fig.1a, and the PEC performance (J-V curve) was recorded. Then a photodeposition of Pt was performed with each loading time set to be 5 minutes, then the photocurrent density vs voltage (J-V) curve was recorded to track the changes of the performance. The Pt photodeposition was stopped until the J-V curve won't shift (the maximum onset potential was achieved). The results show that, S#2 only needs 5 minutes of Pt photodeposition to achieve its best PEC performance.
Resource Metadata
| data source | LBL PEC Stand 1 |
|---|---|
| lab environment | Indoor Lab |
| measurement | Biased |
| measurement type | JV |
| metadata modified | 4 years ago |
| mimetype | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| size | 72.5 KiB |
| Last updated | February 4, 2021 |
|---|---|
| Created | February 4, 2021 |
| Format | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| License | No License Provided |