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Optical sensing of aqueous nitrate anion by a platinum(II) triimine salt based solid state material

Journal Article · · ChemComm
DOI:https://doi.org/10.1039/d2cc04732b· OSTI ID:2422706
 [1];  [2];  [3];  [3];  [3];  [3];  [4]
  1. Univ. of Cincinnati, OH (United States); Kansas State Univ., Manhattan, KS (United States)
  2. Univ. of Cincinnati, OH (United States); Texas A & M Univ., College Station, TX (United States)
  3. Univ. of Cincinnati, OH (United States)
  4. TerraPower LLC, Bellevue, WA (United States)
+ Show Author Affiliations
Selective and quantitative measurement of aqueous nitrate (NO3–) anion is achieved using solid [Pt(Cl-4-tpy)Cl]ClO4 salt (Cl-4-tpy = 4-chloro-2,2':6'2''-terpyridine), and as the salt supported on controlled porous glass. This detection method relies on the color change of the Pt(II) complex from yellow to red and intense luminescence response upon ClO4– exchange with NO3– due to concomitant enhancement of Pt∙∙∙Pt interactions. Finally, the spectroscopic response is highly selective for NO3– over a large range of halides and oxoanions.
Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States). Advanced Light Source (ALS)
Sponsoring Organization:
USDOE; USDOE Laboratory Directed Research and Development (LDRD) Program; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-05CH11231; AC05-76RL01830
OSTI ID:
2422706
Alternate ID(s):
OSTI ID: 1891368
Journal Information:
ChemComm, Journal Name: ChemComm Journal Issue: 87 Vol. 58; ISSN 1359-7345
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English

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