Evaluation of the crosslinking reaction kinetics of cationic polyol dispersions with differential scanning calorimetry and dielectric analysis

2013 ◽  
Vol 551 ◽  
pp. 118-123 ◽  
Author(s):  
Guo-min Wu ◽  
Zhen-wu Kong ◽  
Cai-feng Chen ◽  
Jian Chen ◽  
Shu-ping Huo ◽  
...  
Keyword(s):  
Differential Scanning Calorimetry ◽  
Reaction Kinetics ◽  
Crosslinking Reaction ◽  
Dielectric Analysis ◽  
Scanning Calorimetry ◽  
Kinetics Of

scholarly journals Reaction kinetics of Cu2-xS, ZnS, and SnS2 to form Cu2ZnSnS4 and Cu2SnS3 studied using differential scanning calorimetry

MRS Advances ◽  
2017 ◽  
Vol 2 (53) ◽  
pp. 3181-3186 ◽  
Author(s):  
Elizabeth A. Pogue ◽  
Melissa Goetter ◽  
Angus Rockett
Keyword(s):  
Differential Scanning Calorimetry ◽  
Reaction Kinetics ◽  
Exothermic Reaction ◽  
Onset Temperature ◽  
Scanning Calorimetry ◽  
Final Reaction ◽  
Diffraction Peaks ◽  
Kinetics Of

ABSTRACTDifferential scanning calorimetry experiments on mixed Cu2-xS, ZnS, and SnS2 precursors were conducted to better understand how Cu2ZnSnS4 (CZTS) and Cu2SnS3 form. The onset temperatures of Cu2SnS3 reactions and CZTS suggest that the ZnS phase may mediate Cu2SnS3 formation at lower temperatures before a final CZTS phase forms. We also found no evidence of a stable Cu2ZnSn3S8 phase. The major diffraction peaks associated with Cu2ZnSnS4, and Cu2SnS3 (overlaps with ZnS, as well) began to grow around 380 °C, although the final reaction to form Cu2ZnSnS4 probably did not occur until higher temperatures were reached. An exothermic reaction was observed corresponding to formation of this phase. There was some variability in the onset temperature for reactions to form Cu2SnS3. At least 5 steps are involved in this reaction and several segments of the reaction had relatively reproducible energies.

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