| 초록 |
SnS is one of the promising binary chalcogenides for solar cell applications due to its ideal bandgap, high optical absorption coefficient and its natural abundance. Although, SnS is widely studied for its energy harvesting abilities, not much research has been focused on several polymorphs of SnS. Recently, cubic SnS is paid more attention for its asymmetrical center with low temperature processing advantages. Theoretically, cubic SnS possess a bandgap of 1.7 eV with few forbidden transitions unlike other polymorphs of SnS. Similarly, cubic SnS was found to be thermodynamically meta-stable compound. Therefore, in the current study, we have addressed the effect of substrates and seed layers on the growth of cubic SnS at low temperature conditions. Seed layers of various thickness on different substrates were utilized to grow cubic SnS by chemical bath deposition. This study imparts a basic understanding towards optimization of growth conditions for cubic SnS to achieve better structural, morphological and optical properties. Also, this work may shed light on some interesting characteristics of cubic SnS that may be considered as a fundamental study for future works on this material. |
