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Long-sought Way To Make 'Nano-raspberries' May Fight Foggy Windows And Eyeglasses

Date:
May 26, 2009
Source:
American Chemical Society
Summary:
In an advance toward preventing car windshields and eyeglasses from fogging up, researchers in China are reporting development of a new way to make raspberry-shaped nanoparticles that can give glass a permanent antifogging coating.

In an advance toward preventing car windshields and eyeglasses from fogging up, researchers in China are reporting development of a new way to make raspberry-shaped nanoparticles that can give glass a permanent antifogging coating.

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Junhui He and colleagues note that researchers have been working on anti-fog technology for years. Fogged-up windows are a safety hazard and a nuisance that affect millions of people. Existing technology, including sprays that must be reapplied to stay effective, has many drawbacks. Researchers knew that raspberry-shaped nanoparticles could be the ideal solution by disrupting the process in which water droplets fog glass. Until now, however, there has been no commercially feasible way to make these particles.

The scientists describe an efficient one-step method for making nano-raspberries. In laboratory studies, the researchers coated glass slides with the particles, cooled the slide, and then exposed it to steam. Unlike ordinary glass, it remained crystal clear, opening the door to possible commercial applications, the researchers say.


Story Source:

The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.


Journal References:

  1. Du et al. Facile Fabrication of Raspberry-like Composite Nanoparticles and Their Application as Building Blocks for Constructing Superhydrophilic Coatings. The Journal of Physical Chemistry C, 2009; 113 (21): 9063 DOI: 10.1021/jp9016344
  2. Du et al. Facile Fabrication of Raspberry-like Composite Nanoparticles and Their Application as Building Blocks for Constructing Superhydrophilic Coatings. The Journal of Physical Chemistry C, 2009; 113 (21): 9063 DOI: 10.1021/jp9016344

Cite This Page:

American Chemical Society. "Long-sought Way To Make 'Nano-raspberries' May Fight Foggy Windows And Eyeglasses." ScienceDaily. ScienceDaily, 26 May 2009. <www.sciencedaily.com/releases/2009/05/090525115534.htm>.
American Chemical Society. (2009, May 26). Long-sought Way To Make 'Nano-raspberries' May Fight Foggy Windows And Eyeglasses. ScienceDaily. Retrieved November 25, 2014 from www.sciencedaily.com/releases/2009/05/090525115534.htm
American Chemical Society. "Long-sought Way To Make 'Nano-raspberries' May Fight Foggy Windows And Eyeglasses." ScienceDaily. www.sciencedaily.com/releases/2009/05/090525115534.htm (accessed November 25, 2014).

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