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diodes vs temperature

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part56

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Hi everyone!

I was looking at the dependence of the I-V curve in a diode with the temperature. It seems logical to me, according to the classical equation of the diode (https://wikimedia.org/api/rest_v1/media/math/render/svg/e3530a8e6af742810b105f89c050ef22a0a41a75) that the I increases as the temperature decreases. as the I depend on the exp(1/T), then if T is higher, the exponential is smaller. But it doesnt seem to be correct, according to the I-V curves that I see online, like this one https://www.quora.com/What-is-the-effect-of-temperature-on-semiconductor-diode

Can anyone help me with this question?
 

As explained in your second link, the temperature dependency of saturation current IS dominates the actual diode current.
 

thank you for your reply.

I see this. however, i could not find an equation that explain it. I saw that Is depends on exp(-constant/T), but i plotted it and I could not get a result that gives you this effect. Do you know if I am using the correct equation for Is? I am using the one which is described here https://web.calpoly.edu/~jfernsle/Classes/PHYS452/Labs/452LMExp15W13.pdf
 

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