09-09-2021 дата публикации
Номер: US20210275821A1
Принадлежит:
Disclosed herein are perovskite materials and methods of making an use thereof. 1. A perovskite material comprising:{'br': None, 'sub': 1-x', 'x', '1-x', 'y', '3, '[ASn][BB′]O'}where:A, if present, is selected from the group consisting of Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Sc, Y, La, Ag, Cd, Tl, Pb, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, or a combination thereof;B and B′, if present, are independently selected from the group consisting of Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, In, Sn, Sb, Te, La, Hf, Ta, W, Re, Os, Ir, Pt, Au, Bi, or a combination thereof;x is from greater than 0 to 1; andy is from 0 to 1;with the proviso that A and B are different, A and B′ are different, and B and B′ are different.2. The perovskite material of claim 1 , wherein the perovskite material comprises [BaSn][ZrTi]O.3. The perovskite material of claim 1 , wherein the perovskite material comprises [BaSn][ZrTi]O claim 1 , where x is from 0.1 to 1 and y is 0 claim 1 , 0.25 claim 1 , 0.5 claim 1 , 0.75 claim 1 , or 1.4. The perovskite material of claim 1 , wherein the perovskite material comprises BaSnZrTiO claim 1 , BaSnZrTiO claim 1 , BaSnZrTiO claim 1 , BaSnZrTiO claim 1 , BaSnZrTiO claim 1 , Ba08Sn02ZrBaSnZrO claim 1 , BaSnTiO claim 1 , or a combination thereof.5. The perovskite material of claim 1 , wherein the perovskite material comprises [PbSn][ZrTi]O.6. The perovskite material of claim 1 , wherein the perovskite material is metastable.7. The perovskite material of claim 1 , wherein the perovskite material substantially excludes lead claim 1 , such that the perovskite material comprises a lead-free perovskite material.8. The perovskite material of claim 1 , wherein the perovskite material is ferroelectric.9. The perovskite material of claim 1 , wherein the perovskite material comprises a semiconductor with a bandgap that overlaps with at least a portion of the solar spectrum.10. The perovskite material of claim 1 , ...
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