| 학회 |
한국고분자학회 |
| 학술대회 |
2015년 봄 (04/08 ~ 04/10, 대전컨벤션센터) |
| 권호 |
40권 1호 |
| 발표분야 |
분자전자 부문위원회 II |
| 제목 |
Graphene-bimetallic nanoparticle composite counter electrode for cobalt-electrolyte-based dye-sensitized solar cells |
| 초록 |
Composites of graphene with bimetallic nanoparticles composites were used as counter electrodes for dye-sensitized solar cells. Simple solution coating followed by a post thermal treatment was employed for the preparation of the counter electrodes and used as a low-cost substitute for Pt to fabricate the counter electrode in dye-sensitized solar cells. Scanning electron microscopy characterizations showed that nanoparticles were uniformly dispersed on the surface of grapheme and the composite nanostructure resulted in a promising synergistic effect on the electrocatalytic performance for the iodide/triiodide redox reaction. Under AM 1.5 simulated solar light (100 mW/cm2), the dye-sensitized solar cell based on the graphene/bimetallic nanoparticles counter electrodes showed a conversion efficiency which is comparable to that of the cell based on the sputtered Pt counter electrode. |
| 저자 |
송예슬, 윤미래, 김성룡
|
| 소속 |
한국교통대 |
| 키워드 |
dye-sensitized solar cells; bi-metallic; electrocatalyst activity
|
| E-Mail |
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