Research Article

Low-Vacuum Deposition of Glutamic Acid and Pyroglutamic Acid: A Facile Methodology for Depositing Organic Materials beyond Amino Acids

Figure 4

SEM images (a)–(c) of the deposits on Si wafer: (a) lower magnification of L-Glu-evaporated film, (b) higher magnification of L-Glu-evaporated film, (c) DL-Pygl-evaporated film, and (d) TEM image of L-Glu-evaporated film.
434056.fig.004a
(a)
434056.fig.004b
(b)
434056.fig.004c
(c)
434056.fig.004d
(d)