Erbium phthalocyanine

Besides the substances mentioned so far, functionalized fuUerenes like the simple Bingel adduct can be intercalated into nanotubes as well (Section 2.5.5.2). The formation of peapods has further been described for metallocenes (e.g., ferrocene), porphyrines (e.g., erbium phthalocyanine complex) and small fragments of nanotubes. The most important prerequisite for the feasibility of inclusion is always a suitable proportion of sizes of both the tube and the structure to be embedded. For example, this effect can be observed for the intercalation of different cobaltocene derivatives into SWNT. The endohedral functionalization only takes place at an internal diameter of 0.92nm or above (Figure 3.100). But there is also an upper limit to successful incorporation. When the diameter of the nanotube is too large, the embedded species can easily diffuse away again from the host. Only few molecules are consequently found inside such a wide tube. 

The objects of study were double-decker phthalocyanine lanthanide complexes with the lutetium (Lu), ytteibium (Yb), holmium (Ho) and erbium (Er) as metal-... 

FIGURE 9.1 Electronic spectra of double-decker complexes bis-phthalocyanines lutetium, ytterbium, erbium and holmium in CHC13. 

Belogorokhov, I. A., Marlyshov, M. N., GaviiUouk, A. S., Drones, M. A. TomUova, L. G. (2008). Optical and electrical properties of semiconductor stmctures based on bulyl-ated phthalocyanines containing erbium ions Materials Science and Technology. Semiconductors. (3), 23—33. 

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