Communication

Thermoresponsive Polymer Induced Sweating Surfaces as an Efficient Way to Passively Cool Buildings

  1. A. C. C. Rotzetter,
  2. C. M. Schumacher,
  3. S. B. Bubenhofer,
  4. R. N. Grass,
  5. L. C. Gerber,
  6. M. Zeltner,
  7. W. J. Stark*

Article first published online: 30 AUG 2012

DOI: 10.1002/adma.201202574

Issue

Advanced Materials

Advanced Materials

Volume 24, Issue 39, pages 5352–5356, October 9, 2012

Additional Information

How to Cite

Rotzetter, A. C. C., Schumacher, C. M., Bubenhofer, S. B., Grass, R. N., Gerber, L. C., Zeltner, M. and Stark, W. J. (2012), Thermoresponsive Polymer Induced Sweating Surfaces as an Efficient Way to Passively Cool Buildings. Adv. Mater., 24: 5352–5356. doi: 10.1002/adma.201202574

Author Information

  1. Institute for Chemical and Bioengineering, ETH Zurich, 8093 Zurich, Switzerland

*Institute for Chemical and Bioengineering, ETH Zurich, 8093 Zurich, Switzerland.

Publication History

  1. Issue published online: 2 OCT 2012
  2. Article first published online: 30 AUG 2012
  3. Manuscript Received: 25 JUN 2012

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Keywords:

  • sustainable;
  • energy efficient;
  • smart;
  • PNIPAM;
  • bioinspired materials
Thumbnail image of graphical abstract

Buildings can be effectively cooled by a bioinspired sweating-like action based on thermoresponsive hydrogels (PNIPAM), which press out their stored water when exceeding the lower critical solution temperature. The surface temperature is reduced by 15 °C compared to that of a conventional hydrogel (pHEMA) and by 25 °C compared to the bare ground.

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