Figure 4.

Calculated partial density states (PDOS). W (a), C (b) and (c) C, and N (d), (e) and (f) in W-functionalized g-C3N4-zz4. The Fermi level is shifted to 0 eV (dot-dash line).

Pan et al. Nanoscale Research Letters 2011 6:97   doi:10.1186/1556-276X-6-97
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