| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1644399 | Materials Letters | 2014 | 4 Pages |
•TiO2 was doped with different ratios of graphene and applied in quantum dot-sensitized solar cells (QDSSCs).•The efficiency of QDSSCs was changed with the ratios of graphene composition.•The QDSSCs incorporating 0.1 wt% graphene demonstrated a best power conversion efficiency of 2.8%.
To optimize the performance efficiency of quantum dot-sensitized solar cells (QDSSCs), TiO2 doped with different ratios of graphene were prepared and applied in quantum dot-sensitized solar cells. The graphene–TiO2 nanocomposites were prepared by using hydrothermal synthesis of the alcohol–water system between graphene and TiO2 nanoparticles. It was found that the efficiency of quantum dot-sensitized solar cells was changed with the ratios of graphene composition. The CdS/CdSe quantum dot-sensitized solar cells incorporating 0.1 wt% graphene in the TiO2 photoanode demonstrated the most improvement in power conversion with an efficiency of 2.8%, which was 37% higher than that of pure TiO2.
Graphical abstractTiO2 doped with different ratios of graphene were prepared and applied in quantum dot-sensitized solar cells. It was found that the efficiency of quantum dot-sensitized solar cells was changed with the ratios of graphene composition. The CdS/CdSe quantum dot-sensitized solar cells incorporating 0.1 wt% graphene in the TiO2 photoanode demonstrated the most improvement in power conversion with an efficiency of 2.8%, which was 37% higher than that of pure TiO2.Figure optionsDownload full-size imageDownload as PowerPoint slide
