These could be helpful (1) Saeki R, Sugawara H, Watanabe Y, Jitosho T, inventors; Kabushiki Kaisha Toshiba, assignee. Semiconductor light-emitting device. United States patent US 6,586,773. 2003 Jul 1. (2) Nikolou, Maria, et al. "Dual n-and p-type dopable electrochromic devices employing transparent carbon nanotube electrodes." Chemistry of Materials 21.22 (2009): 5539-5547.

Please see the attached files

thanks sir

Sir  please see this band structure diagram.and tell me if i say it shows the p-type conductivity.it is correct or not?

Misbah,

Sorry i could not open the given file!

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