28 October 2020
Dimitrijević, S., Dimitrijević, S., Miliciani, M., Kamberović, Ž., Cherkezova-Zheleva, Z..
(
Зара Черкезова-Желева;
)
Abstract
The main goal of the study was to determine parameters for the production of the micro-sized silver powder applicable to the pastes that are in use in solar cell production and maintenance. In all experiments, silver nitrate solution and ascorbic acid were used, as a silver source and reducing agent, respectively. Polyvinylpyrrolidone and gelatine were used as dispersants. The dispersant in this system acts as a protective agent in a way that prevents agglomeration and aggregation pro-cesses. The influence of used agents was different, and one of the aims inthe research was to deter-mine the pros and cons of them. The optimal parameters of the synthesis were the solution tempera-ture of 45 °C, pH=7, and concentrations of silver and ascorbic acid of 45 g/l and 30 g/l, respectively. Although PVP has proved to bea suitable protecting agent for the goals of the study, the best results were obtained with the use of gelatine as a dispersant in the concentration ratio against the silver ions of 2.5 wt. %.
Proceedings of the International Conference on Renewable Electrical Power Sources – ICREPS,, 8, 1, 2020, DOI:https://doi.org/10.24094/mkoiee.020.8.1.29, 29-34
https://doi.org/10.24094/mkoiee.020.8.1.29
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