journal article·2015-04-01

Enhanced Thermoelectric Performance of Bar-Coated SWCNT/P3HT Thin Films

Woohwa Lee, Cheon Taek Hong, O Hwan Kwon, Youngjae Yoo, Young Hun Kang, Jun Young Lee, Song Yun Cho, Kwang-Suk Jang

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Abstract

The influence of processing conditions, such as ink concentration and coating method, on the thermoelectric properties of SWCNT/P3HT nanocomposite films was investigated systematically. Using simple wire-bar-coating, SWCNT/P3HT nanocomposite films with high thermoelectric performance could be obtained without additional P3HT doping. The wire-bar-coated SWCNT/P3HT nanocomposite films exhibited power factors of up to 105 μW m(-1) K(-2) at room temperature. The SWCNT bundles with diameters in the range of 6-23 nm formed an interconnected network in the wire-bar-coated nanocomposite films. Network formation in these nanocomposite films was expected to be strongly related to the development of electrical pathways due to inter-SWCNT bundle connections. This study suggests that the thermoelectric performance of SWCNT/P3HT nanocomposite films could be optimized by controlling their processing conditions and morphology.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Advanced Thermoelectric Materials and Devices · Thermal properties of materials · Advanced Sensor and Energy Harvesting Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Division of Advanced Materials, Korea Research Institute of Chemical Technology, Daejeon 305-600, Republic of Korea

Department of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea

Funding

Ministry of Science, ICT and Future Planning · Korea Research Council of Fundamental Science and Technology · Korea Research Institute of Chemical Technology

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