[Tu2-P42] Sub area 4-2: Compound Thin-film Photovoltaics

[Tu2-P42-14] Na doping effects for photoluminescence of Cu₂Sn_1-xGe_xS₃ thin films

*Ryodai Ichihara¹, Takeshi Tasaki², Hideaki Araki², Ayaka Kanai¹, Kunihiko Tanaka¹ (1. Nagaoka University of Technology (Japan), 2. National Institute of Technology (KOSEN), Nagaoka College (Japan))