Structure of the Ethylammonium Nitrate Surface: An X-ray Reflectivity and Vibrational Sum Frequency Spectroscopy Study
vibrational sum frequency
air interface
spectroscopy
Nitrates
ethylammonium nitrate (EAN)
X-ray reflectivity
02 engineering and technology
Reflectivity
Symmetry
X-ray spectroscopy
Vibrational states
0210 nano-technology
Molecular structure
DOI:
10.1021/la904697g
Publication Date:
2010-03-19T19:37:06Z
AUTHORS (6)
ABSTRACT
X-ray reflectivity and vibrational sum frequency spectroscopy are used to probe the structure of the ethylammonium nitrate (EAN)-air interface. X-ray reflectivity reveals that the EAN-air interface is structured and consists of alternating nonpolar and charged layers that extend 31 A into the bulk. Vibrational sum frequency spectroscopy reveals interfacial cations have their ethyl moieties oriented toward air, with the CH(3) C(3) axis positioned approximately 36.5 degrees from interface normal. This structure is invariant between 15 and 51 degrees C. On account of its molecular symmetry, the orientation of the nitrate anion cannot be determined with certainty.
SUPPLEMENTAL MATERIAL
Coming soon ....
REFERENCES (57)
CITATIONS (61)
EXTERNAL LINKS
PlumX Metrics
RECOMMENDATIONS
FAIR ASSESSMENT
Coming soon ....
JUPYTER LAB
Coming soon ....