When a sample of single-walled nanotubes is examined by spectrofluorimetry, emission intensity can be plotted as a function of excitation and emission wavelengths. Here you see this matrix data plotted as a color-coded contour plot. The contour plot shows the precise wavelengths for each peak.
Read the entire article on The Industrial Physicist web site.
Prof. R. Bruce Weisman
Rice University
P.O. Box 1892
Houston, TX 77251