fig6
![Active Pd nanoclusters supported on nitrogen/amino co-functionalized carbon for highly efficient dehydrogenation of formic acid](https://image.oaes.cc/a125bfc9-8346-4ad5-a352-c2aa556f5148/5710.fig.6.jpg)
Figure 6. (a) Generated V(H2 + CO2) versus time for the dehydrogenation of FA over Pd@NH2-NC from the first to fifth cycles; (b) XRD patterns of Pd@NH2-NC before and after five cycles; (c) TEM image of Pd@NH2-NC after five cycles (inset: Particle size distributions); (d) XPS spectrum of Pd 3d for Pd@NH2-NC after five cycles. TEM: transmission electron microscopy; XPS: X-ray Photoelectron Spectroscopy; XRD: X-ray diffraction.