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![Advances in conducting polymer-based thermoelectric materials and devices](https://image.oaes.cc/95364dab-e66b-48d9-aa0b-fa90d66e572a/4339.fig.12.jpg)
Figure 12. Strategies and outlooks for conducting polymer-based TE materials and devices. Optimization strategy. Reproduced with permission[219]. Copyright 2021 Nature Portfolio. Test equipment. Reproduced with permission[220]. Copyright 2020 ELSEVIER. Commercial TE devices. Reproduced with permission[221]. Copyright 2021 ACS Publications. p-type and n-type principles. Mechanism of Peltier effect and device geometry. Reproduced under the terms of the Creative Commons Attribution License (CC BY)[222]. Copyright 2021 frontiers. Cooler. Reproduced with permission[223]. Copyright 2018 Nature Portfolio. TE: Thermoelectric.