Electric Field Enhancements of Solar Cell by Single-Walled Carbon Nanotubes
- Electric Field Enhancements of Solar Cell by Single-Walled Carbon Nanotubes
- 태양전지; CNTs; 전기장; CdS; CIGS
- Issue Date
- 2010 추계 대한 화학회
- Carbon nanotubes (CNTs) have very attractive properties for solar cells. Their suitable electronic leves, high eletric conductivity, and unusual aspect ratio produce the two beneficial effects: (i) the formation of efficeint electronic energy structures and (ii) the reduction of interfacial resistance. However, the may not be sufficient to fully explain the significant inprovement that is observed. In particular, CNTs are well-known as materials to enhance the electrical field. Therefore, we explore the effect of the CNT layers by measuring the reverse-FE currents and the significant increase in the B value (i.e. the field enhancement factor) that are onserved. In addition to these two effects, the enhancement of the electrical field by the CNT layers in solar cells should be considered as another potentially important contributing to the improvement of their efficiency. To demonstrate the hypothesis, the superstrate-type Cu(In,Ga)Se2(CIGS) solar cell, quantum dot-sensitized solar cell (QSSCs), and dye-sensitized solar cells (DSSCs).
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