|
Resolution: standard / high Figure 3.
UV–vis absorbance spectra of as-prepared hollow porous Cu2O microspheres. The inset is the plot of (αEphoton)2 versus Ephoton to evaluate the band gap of Cu2O microspheres.
Yu et al. Nanoscale Research Letters 2012 7:347 doi:10.1186/1556-276X-7-347 |
