Silica materials modified with N, N '-bis-(2-phosphonoethyl)-1,4,5,8-naphtalenediimide: Photophysical and electrochemical properties - Rodrigues, M. A.; Politi, Mário José; Brochsztain, Sérgio; Bemquerer, Marcelo Porto; Miranda, Maria Terêsa Machini de; Baptista, Maurício da Silva (National Meeting of the American Chemical Society, 2001)