Ayon Das Mahapatra

6 Questions 13 Answers 0 Followers

Questions related from Ayon Das Mahapatra

Can the power law coefficient be grater than unity?

For semiconductors used in photodetector we know the power law: Current(I)=Pa , where P is power density of incident illumination & a is power law coefficient. Generally a

07 July 2018 1,697 2 View

Why I get dark current of TiO2 nanorod, constantly decaying in nature(i.e, no sign of saturation)?

I get dark current of TiO2 nanorod, constantly decaying in nature(i.e, no sign of saturation). Why the dark current is not stable in nature alike ZnO nanorod?

02 February 2018 4,569 3 View

How can I connect a pico-ammeter with sample connected to keithley source meter?

How can I connect a pico-ammeter to measure the current of several pico ampere? We have keithley source meter 2400. In case of nano ampere current, source meter showing the same but pico ammeter...

02 February 2018 4,177 3 View

Please upload JCPDS or CIF file for pi-SnS?

alfa-SnS CIF and JCPDS datas are available.But pi-SnS datas are not there.

10 October 2017 1,356 1 View

What might be the reason for having I-V curve in second quadrant?

My device has following structure: AZO/Sb2S3/spiro-OMeTAD/Ag. I have got I-V characteristics in presence of light which shows positive current in negative voltage i.e, I-V curve goes through 2nd...

01 January 2017 8,282 20 View

In dark my device has diode nature but the I-V curve in presence of light in fourth quardrent linear in nature.What may be the reasons?

In antimony sulfide based solar cell I am getting low Fill Factor.How to improve this?

04 April 2016 7,250 5 View