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Photoemissive ionization source is a kind of stable, sensitive, selective, and reliable ionization source for ion mobility spectrometry, which can find a wide range of applications such as security checking, air and food quality monitoring. State-of-the-art ion source adopts a thin gold film, which is costly and suffered from long term stability. There is a continuous effort to search stable low cost...
For CdS/CdTe solar cells with conventional Cu doped CdTe at the back contact, the diffusion of copper into CdS window layer is detrimental to the solar cell performance. In order to obviate this problem, single wall carbon nanotube thin films with enriched semiconducting ratio (95% S-SWNT) are applied to the CdS/CdTe device and their suitability as back contact materials are studied. We achieve solar...
We prepared single wall carbon nanotubes (SWNTs) thin films and Graphene oxide doped SWNT (GO-doped SWNT) composite thin films via vacuum filtration and transferring techniques. The SWNT and GO-doped SWNT films along with gold (Au) were applied as back electrode for Cadmium telluride (CdTe) solar cells, in place of the traditional copper/gold (Cu/Au) back electrode. Our results show that the CdTe...
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