Cadmium complex possessing simultaneously silanethiolato- and dithiocarbamato-ligands. A novel single-source precursor of cadmium sulfide
PBN-AR
Instytucja
Wydział Chemiczny (Politechnika Gdańska)
Informacje podstawowe
Główny język publikacji
ENG
Czasopismo
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
ISSN
1388-6150
EISSN
Wydawca
DOI
URL
Rok publikacji
2014
Numer zeszytu
2
Strony od-do
993-1001
Numer tomu
118
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
CVD
PREKURSORY
RENTGENOWSKA ANALIZA STRUKTURALNA
SIARCZEK KADMU
ZWIĄZKI KOMPLEKSOWE
Streszczenia
Język
Treść
Thermal decomposition of suitable coordination compounds may be used as efficient route for fabrication of semiconducting layers. A new potential CdS precursor—a cadmium complex with all-sulfur Cd-coordination sphere [Cd{l-SSi(OBut)3}(S2CNC4H8)]2 (1) —has been prepared and its properties are investigated. The complex was obtained in the reaction between dimeric bis(tri-tert-butoxysilanethiolato) cadmium(II) [Cd{SSi(OBut)3}2]2 and ammoniumN,Ntetrametylene- dithiocarbamate and characterized by spectral methods (IR, UV–Vis, MS, and NMR). X-ray structure analysis revealed the complex as molecular and dimeric in solid state with each of chelating dithiocarbamate ligands bonded to one Cd center and sulfur atoms from two tri-tertbutoxysilanethiolato ligands bridging metallic centers and thus completing the CdS4 coordination sphere. Thin film of the precursor prepared on SiO2 substrates via spin-coating technique was analyzed by AFM. Its decomposition was studied by thermal analysis methods (TG, DSC, and TG-FTIR). After melting at 227 C, [Cd{l-SSi(OBut)3} (S2CNC4H8)]2 undergoes endothermic decomposition leading to CdS as the only solid product further identified by XRD, EDS, FIR as hexagonal CdS form. Its morphology is characteristic and may be described as ‘‘micro-noodles’’.
Inne
System-identifier
129846
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