Formation of Copper(II) Sulfide

概述

Copper reacts with sulfur when heated to form copper(II) sulfide, a black compound. This reaction occurs when copper is heated in the presence of sulfur vapor. Copper sulfide minerals like covellite are important copper ores.

参与者

日常示例

The dark tarnish that forms on copper items in sulfur-rich environments (like near hot springs) involves a similar reaction.

工业重要性

硫化铜是铜的主要矿物形式，黄铜矿（CuFeS₂）是全球最重要的铜矿石。硫化铜薄膜也被研究用于太阳能电池吸收层材料。