Patent ID: 9618841
Date: 2017-04-11
CPC Classifications: G02B,G03F

Claim:
1. A Cu 2 Zn 0.14 Sn 0.25 Te 2.34 nanocrystalline solution, wherein the particle size of Cu 2 Zn 0.14 Sn 0.25 Te 2.34 nanocrystallines dispersed in the Cu 2 Zn 0.14 Sn 0.25 Te 2.34 nanocrystalline solution is 5 to 20 nm; the band gap of the Cu 2 Zn 0.14 Sn 0.25 Te 2.34 nanocrystallines is 0.8 to 1.5 ev; and the grain surface of the Cu 2 Zn 0.14 Sn 0.25 Te 2.34 nanocrystallines has organic functional groups.