www.acs.org THE JOURNAL OF PHYSICAL CHEMISTRY C JPCCCK pubs.acs.org/JPCC ENERGY CONVERSION AND STORAGE, OPTICAL AND ELECTRONIC DEVICES, INTERFACES, NANOMATERIALS, AND HARD MATTER JANUARY 25, 2018 VOLUME 122 NUMBER 3 Position of Chemical Adduct on Carbon Nanotube Defines Electronic Properties and Light Emission Wavelength