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Preprint (Author's original)arXiv.org - Non-exclusive license to distribute, Open
Preprint
Ultralow and Selective Infrared Emission from MXenes
09 May 2021
Abstract
Low and selective infrared emission materials are necessary for next
generation thermal technologies, including passive heating, infrared
identification, and photothermal conversion. Here, we report on the intrinsic
infrared radiation properties of three MXenes: Ti3C2Tx, Ti3CNTx, and V4C3Tx.
The infrared emissivity of 200 nm thick Ti3C2Tx coating is lower than 0.06
between wavelengths of 3-27 {\mu}m, while Ti3CNTx and V4C3Tx have values of
0.13 and 0.26, respectively. Investigation using a laboratory-based passive
heating process showed that MXene coatings suppress the thermal radiation. The
infrared identification capability was also validated using a patterned MXene
fabric. This work paves the way for developing MXene-based smart wearable
devices and garments capable of selective and localized thermal management.
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Details
- Title
- Ultralow and Selective Infrared Emission from MXenes
- Creators
- Meikang HanDanzhen ZhangChristopher Eugene ShuckYury Gogotsi
- Resource Type
- Preprint
- Language
- English
- Academic Unit
- Materials Science and Engineering; A.J. Drexel Nanomaterials Institute
- Other Identifier
- 991019296806204721