Abstract

Quaternary chalcogenide Cu2ZnSnS4 is a potential candidate for thermoelectric (TE) application due to a number of advantages including containing only non-toxic and abundant elements, high Seebeck coefficient and low thermal conductivity. In this study, Cu2ZnSnS4 was synthesized using mechanical alloying method from Cu, Zn, Sn and S powders. In order to study the effect of milling duration on the formation of Cu2ZnSnS4, different milling duration of 2, 4, 12 and 16 h were investigated. As the results, Cu2ZnSnS4 was started to form after milling for 12 h. The formation of Cu2ZnSnS4 was completed after 16 h of milling. In addition, Cu2ZnSnS4 nanoparticles were obtained after 16 h of milling with the distribution mostly in the range of 50 - 60 nm.

Highlights

  • Alarming environment and energy crisis associated with insatiable demand of energy from fossil fuel sources,which has resulted in efforts of seeking clean and sustainable energy sources

  • The recovery of huge amount of wasted heat has a significant influence on the efficiency of energy consumption,and reduces the global greenhouse gas emission.Thermoelectric generators (TEGs), which are capable of generating electricity directly from waste heat sources by Seebeck effect,have emerged as a novel technology for recovering waste heats from automobiles, industrial sectors and home cooking etc

  • 3 Results and discussion In the present work, the effect of milling duration on the phase transformation of milled CZTS powders was investigated by using differentmilling duration of 2, 4, 12and16 h, whilst other parameters remained constant

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Summary

Introduction

Alarming environment and energy crisis associated with insatiable demand of energy from fossil fuel sources,which has resulted in efforts of seeking clean and sustainable energy sources. The formations of CZTS, morphology and particle sizes of milled powders were investigated.

Results
Conclusion
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