Fig.1 Bright-field Optical Microscope Image (image) Osaka University Share Print E-Mail Caption Bright-field optical microscope image of the Si nanostructure arrays. Si nanostructures of different sizes exhibit distinct reflection colors. (scale bar is 20 μm). Credit ©2017 Takahara et al. Nano Letters. 17, 7500-7506. DOI: 10.1021/acs.nano-lett.7b03421 Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.