Strategy on Persisting in Distinct Activity of Plasmon-Activated Water

Chih Ping Yang, Hui Yen Tsai, Ching Li Tseng, Pei Jun Hao, Yu Chuan Liu

Research output: Contribution to journalArticle

Abstract

The innovative plasmon-activated water (PAW) with reduced hydrogen bonds exhibits intrinsically distinct properties at room temperature, which are significantly different from the properties of untreated conventional deionized (DI) water. Examples of this are their ability to scavenge free radicals and higher vapor pressure. However, distinct properties of energetic PAW decay within the day after its creation in a metastable liquid state. In this work, we report a facile method for persisting its distinct activities by letting as-prepared PAW be quickly frozen in liquid nitrogen and letting the frozen PAW (for one month before further measurements) be quickly melted to room temperature in a warm-water bath (called treated PAW). Experimental results indicate that the activity of the higher evaporation rate of treated PAW compared to DI water can be maintained ca. 90% of magnitude, as compared to the as-prepared PAW. Also, its abilities to scavenge free hydroxyl and 2,2-diphenyl-1-picrylhydrazyl radicals can be maintained at ca. 70 and 80% of magnitudes, respectively. Moreover, this strategy of quickly freezing and melting treatments to PAW on persisting in distinct activity of PAW is effective in oxygen evolution reactions. This promises the stored energy and the distinct property of created liquid PAW being available in water-related fields after long-term storage.

Original languageEnglish
Pages (from-to)21197-21203
Number of pages7
JournalACS Omega
Volume4
Issue number25
DOIs
Publication statusPublished - Dec 17 2019

Fingerprint

Water
Deionized water
Liquids
Liquid nitrogen
Vapor pressure
Free radicals
Freezing
Hydroxyl Radical
Free Radicals
Hydrogen bonds
Evaporation
Melting
Oxygen
Temperature

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Strategy on Persisting in Distinct Activity of Plasmon-Activated Water. / Yang, Chih Ping; Tsai, Hui Yen; Tseng, Ching Li; Hao, Pei Jun; Liu, Yu Chuan.

In: ACS Omega, Vol. 4, No. 25, 17.12.2019, p. 21197-21203.

Research output: Contribution to journalArticle

Yang, Chih Ping ; Tsai, Hui Yen ; Tseng, Ching Li ; Hao, Pei Jun ; Liu, Yu Chuan. / Strategy on Persisting in Distinct Activity of Plasmon-Activated Water. In: ACS Omega. 2019 ; Vol. 4, No. 25. pp. 21197-21203.
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