CdO:一种很有前途的柔性透明热电发电机

IF 3.6 2区 物理与天体物理 Q2 PHYSICS, APPLIED
X. K. Ning, W. B. Guo, J. Y. Han, Y. M. Ran, W. X. Jian, X. Y. San, L. J. Gao, S. F. Wang
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引用次数: 0

摘要

透明热电薄膜由于在单一器件中不同寻常的热电和光学透明共存而引起了人们的广泛关注。此外,许多设备,如植入式电子设备,芯片传感器,局部制冷设备,本质上是不规则的形状。因此,对柔性透明热电发电机(F-TTEG)的探索正在兴起。在这项研究中,我们在聚酰亚胺(PI)衬底上开发了n型透明CdO薄膜,该薄膜具有出色的柔韧性,在直径为11毫米的杆周围弯曲500次后,其导电性和透光率保持在原来的90%和99%。在室温下,该薄膜的功率因数为~ 1.3 μW cm−1 K−2。由8段CdO膜组成的热电原型在温差为85 K时产生15.2 mV的电压和5.48 W m−2的最大功率密度。这一工作表明,CdO薄膜为开发高性能的F-TTEG器件提供了广阔的前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
CdO: A promising flexible and transparent thermoelectric power generator
Transparent thermoelectric films have attracted much interest due to the unusual coexistence of thermoelectric and optical transparency in a single device. Moreover, many devices, such as implantable electronic devices, chip sensors, localized refrigeration devices, are intrinsically of irregular shapes. Therefore, exploration for a flexible and transparent thermoelectric power generator (F-TTEG) is on the rise. In this study, we develop n-type transparent CdO films on the polyimide (PI) substrate, which exhibit outstanding flexibility, maintaining 90% and 99% of their original electrical conductivity and transmittance after 500 bending cycles around a 11-mm diameter rod. The films also demonstrate a high power factor of ∼ 1.3 μW cm−1 K−2 at room temperature. A thermoelectric prototype consisting of 8-leg of the CdO film generates a voltage of 15.2 mV and a maximum power density of 5.48 W m−2 at a temperature difference of 85 K. This work suggests that CdO films offer promising prospect for the development of high performance F-TTEG devices.
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来源期刊
Applied Physics Letters
Applied Physics Letters 物理-物理:应用
CiteScore
6.40
自引率
10.00%
发文量
1821
审稿时长
1.6 months
期刊介绍: Applied Physics Letters (APL) features concise, up-to-date reports on significant new findings in applied physics. Emphasizing rapid dissemination of key data and new physical insights, APL offers prompt publication of new experimental and theoretical papers reporting applications of physics phenomena to all branches of science, engineering, and modern technology. In addition to regular articles, the journal also publishes invited Fast Track, Perspectives, and in-depth Editorials which report on cutting-edge areas in applied physics. APL Perspectives are forward-looking invited letters which highlight recent developments or discoveries. Emphasis is placed on very recent developments, potentially disruptive technologies, open questions and possible solutions. They also include a mini-roadmap detailing where the community should direct efforts in order for the phenomena to be viable for application and the challenges associated with meeting that performance threshold. Perspectives are characterized by personal viewpoints and opinions of recognized experts in the field. Fast Track articles are invited original research articles that report results that are particularly novel and important or provide a significant advancement in an emerging field. Because of the urgency and scientific importance of the work, the peer review process is accelerated. If, during the review process, it becomes apparent that the paper does not meet the Fast Track criterion, it is returned to a normal track.
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