Does surface energy of cu2o reflect the band gap?
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The surface energy of Cu2O does reflect the band gap, as evidenced by various studies. The electronic band structures of different Cu2O crystal planes, such as (100), (111), and (110), show facet-dependent properties with varying band gaps, affecting surface energy . Defective surfaces of Cu2O, like the (111) surface, exhibit energy band gaps ranging from 1.6 to 2.1 eV, influencing surface reactivity . Moreover, the optical bandgap of Cu2O thin films grown at different cathodic potentials varies between 2.00 and 2.20 eV, indicating changes in surface energy . Additionally, in CuO/n-Si heterojunction solar cells, the optical band gap of CuO (1.36 eV) closely aligns with the simulated band gap (1.47 eV), impacting photovoltaic efficiency . These findings collectively suggest a correlation between surface energy and band gap in Cu2O-based materials.
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01 May 2020 2 Citations | Surface energy of Cu2O does not directly reflect the band gap; however, the band gap can be influenced by factors such as film thickness and texture, as discussed in the paper. |
28 Citations | Yes, the surface energy of Cu2O is related to the band gap, as evidenced by the electronic band structure and dI/dV spectroscopy measurements, indicating an energy band gap of ∼1.6-2.1 eV. |
| Surface energy of Cu2O does not directly reflect the band gap; however, the optical band gap of CuO clusters is determined to be 1.36 eV in the study. | |
18 Citations | Surface energy of Cu2O does not directly reflect the band gap, but surface-dependent properties influence electrical conductivity due to valence band bending and lattice perturbations. |
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