It can be seen that with the increase of agbise2 content, the kappa e at low temperature decreases greatly, which may be due to the strong scattering of electrons by agbise2 and grain boundaries, resulting in the decrease of the number of electrons participating in the thermal transport. The variation of the conductivity is consistent with that of the total thermal conductivity, and its great decrease has a great contribution to the decrease of the total thermal conductivity.<br>
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