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High infrared insulation and high visible light transmittance Sb/Yb co-doped SnO2 film prepared with sol–gel method

Zhiqiang Li,Mingyue Sun,Beiping Dong,Juncheng Liu

Sb/Yb co-doped SnO 2 film was deposited on the glass with sol–gel to prepare high thermal insulation film with high visible transmittance. Its crystal structure is consistent with that of SnO 2 . Its sheet resistance first decreases then increases with Yb doping content, gets the minimum at 9.0 mol%, reduced about an order of magnitude compared with Sb doped film. Its visible average transmittance (380–780 nm) fluctuates a bit, gets the minimum 79.0% at 9.0 mol%, the maximum 84.1% at 6.0 mol%. Its average near-infrared transmittance (780–2500 nm) gets the minimum 27.9% at 9.0 mol%, decreases 70.2% compared with the glass.