Unit:
Τομέας ΙΙ [Οργανική Χημεία – Οργανική Χημική Τεχνολογία – Χημεία Τροφίμων]Library of the School of Science
Author:
Χρονόπουλος Δημήτριος
Dissertation committee:
Παναγιώτα Μουτεβελή-Μηνακάκη Καθηγήτρια, Νίκος Ταγματάρχης Διευθυντής Ερευνών, Γεώργιος Κόκοτος Καθηγητής
Original Title:
Σχεδιασμός, σύνθεση, χαρακτηρισμός και εφαρμογές οργανοκαταλυτών και άλλων ενώσεων ακινητοποιημένων πάνω σε νανοδομές άνθρακα.
Translated title:
Design, synthesis, characterization and applications immobilized organocatalysts and other compounds onto carbon nanostructures.
Summary:
The last years, carbon nanostructures (CNS) have attracted the interest of
scientific community and have been applied in plethora of fields. CNS are
characterized as ideal materials to carry catalysts due to their structure and
physico-chemical properties. However, in the literature there are only reports
for the immobilization of metal nanoparticles onto CNS’s surface, while reports
about organocatalysis, a rapidly growing field of catalysis, are totally
missing. In the present thesis, proline’s derivatives (as organocatalysts)
conjugated covalently onto fullerene and carbon nanotubes (CNTs) are presented
and their catalytic activity in asymmetric aldol reactions was examined.
Initially, fullerene and CNTs were appropriately fuctionalized, in order to
carry suitable groups for the efficient coupling with the organocatalysts.
Furthermore, in this thesis a new methodology for the chemical fuctionalization
of carbon nanohorns (CNHs) via arynes’ cycloaddition was developed. Finally, a
2nd generation dendrimer was synthesized onto CNTs. The hybrid material was
utilized to stabilize semi-conductor nanoparticles of cadmium sulfide (CdS) and
was subsequently used as catalyst for the photodegradation of dyes.
Keywords:
Fullerene, Carbon nanotubes, Organocatalysis, Photocatalysis, Aldol reactions
Number of index pages:
15-21
Number of references:
165
