Figure 2: The surface terminating chemistry of GeCH3. | Nature Communications

Figure 2: The surface terminating chemistry of GeCH3.

From: Improving the stability and optical properties of germanane via one-step covalent methyl-termination

Figure 2

(a) FTIR spectra of GeH (i), GeCH3 (ii), Ge13CH3 (iii) and GeCD3 (iv). The intensity of the four spectra are all multiplied by 0.5 in the range of 400–900 cm−1. (b) XPS spectra of the Ge 2p3/2 peak for GeH (solid line) and GeCH3 (dashed line), indicating exclusively Ge+1 on the surface. XPS, X-ray photoelectron spectroscopy.

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