TY - JOUR T1 - Synthesis of Star-Shaped Lead Sulfide (PbS) Nanomaterials and theirs Gas-Sensing Properties JO - Materials Research A1 - Song, Chengwen A1 - Sun, Menghan A1 - Yin, Yanyan A1 - Xiao, Jingkun A1 - Dong, Wei A1 - Li, Chen A1 - Zhang, Li SN - 1516-1439 UL - 10.1590/1980-5373-MR-2015-0683 VL - 19 Y1 - 2016 PB - Brasil ER -