Application of Polymer Interlayers in Silicon-Carbon Nanotube Heterojunction Solar Cells

作者：Yu Leping; Tune Daniel D; Shearer Cameron J; Shapter Joseph G^*

来源：ChemNanoMat, 2015, 1(2): 115-121.

DOI：10.1002/cnma.201400005

• carbon nanotubes
• conducting polymers
• photovoltaics
• silicon
• solar cells

We explore the use of polymers as a conducting interlayer within silicon-carbon nanotube heterojunction photovoltaics. Three types of devices have been fabricated and characterized including silicon-carbon nanotube, silicon-conducting polymer and silicon-conducting polymercarbon nanotube. The conducting polymers studied were polyaniline, poly(3-hexylthiophene-2,5-diyl) and poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate). A thin conducting polymer interlayer significantly improves photovoltaic performance by creating a better depletion layer within the underlying silicon. With the addition of a top antireflection layer, a photovoltaic device, silicon-poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate)-carbon nanotubepoly(styrene) has been fabricated with a photovoltaic conversion efficiency of 8.7 %.

• 出版日期2015-6