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Under the support of the National Natural Science Foundation of China (Grant No.
Thermoelectric energy conversion technology is a technology that relies on thermoelectric devices to realize the direct mutual conversion of thermal energy and electrical energy.
SnSe is an anisotropic layered material with intrinsically low thermal conductivity
This work utilizes the low thermal conductivity of layered materials in the out-layer direction, and improves the carrier migration between layers in the out-layer direction by adjusting the crystal structure symmetry, thereby promoting electron tunneling in the inter-layer direction.