Entropy analyses of electronic devices with different energy selective electron tunnels

Jianying Du, Tong Fu, Cong Hu, Shanhe Su and Jincan Chen

Physica A: Statistical Mechanics and its Applications, 2020, vol. 560, issue C

Abstract: Based on nanoelectronic devices that can act as power generators or refrigerators, the relations between the entropy production rate and the thermal efficiency or coefficient of performance are obtained for two types of electron filters. It is found that the decrease of the entropy production rate does not always guarantee the increase of the thermal efficiency or coefficient of performance, indicating that the state of the minimum entropy production rate does not correspond to that of the maximum thermal efficiency or coefficient of performance in these electronic devices. It implies the fact that different from the thermal efficiency or coefficient of performance, the entropy production rate is not a good objective function for optimizing the performance of electronic devices. However, entropy analyses will be helpful to deeply understanding the thermodynamic properties of electronic devices. These results obtained here will provide a feasible scheme to further optimize and improve the performances of electronic devices.

Keywords: Electronic device; Energy selective electron tunnel; Thermal efficiency; Coefficient of performance; Entropy production rate (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:560:y:2020:i:c:s0378437120305902

DOI: 10.1016/j.physa.2020.125128

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