Patent Number: 
Section: claims

1. A perovskite single crystal X-ray radiation detector device, comprising:an X-ray wavelength-responsive active layer including an organolead trihalide perovskite single crystal;a silicon substrate layer comprising an oxide; anda binding layer disposed between the active layer and the substrate layer, the binding layer including a first functional group that bonds to the organolead trihalide perovskite single crystal and a second functional group that bonds with the oxide. 2. The detector device of claim 1, wherein the oxide includes SiO2, TiO2, ZnO, ITO, or other hydroxyl-rich oxide or metal. 3. The detector device of claim 1, wherein the binding layer comprises molecules having a structure of X—R1-R2, wherein R1 includes aliphatic or aromatic chains with or without side groups, and R2 includes saline or titanate groups that can hydrolyze and condense with hydroxyls on the oxide, or aliphatic or aromatic groups, and X includes one of —NH2 group, sulfonic acid groups, phosphate and carboxylate. 4. The detector device of claim 3, wherein R2 includes one of —(CH2)nCH3, —(CH2)nNH2, —(CH2)nSi(OC2H5)3, —(CH2)nSi(OCH3)3, or —(CH2)nCF3. 5. The detector device of claim 1, wherein the organolead trihalide perovskite single crystal is a perovskite single crystal having a structure of ABX3, wherein A is methylammonium (CH3NH3+), formamidinum (H2NCHNH2+), Cs+, Ru+, or a mixture thereof, wherein B is Pb2+ or a mixture of Pb2+ with Sn2+, Bi3+/Ag+, or Ge2+, and wherein X is a halide anion, thiocyanate (SCN—) or a mixture thereof. 6. The detector device of claim 1, the organolead trihalide perovskite single crystal is a perovskite single crystal having a structure of MAPbBr3, wherein MA is methylammonium (CH3NH3+). 7. The detector device of claim 1, wherein a thickness of the organolead trihalide perovskite single crystal is between about 0.001 mm and about 100 mm. 8. The detector device of claim 1, further including an electrode layer disposed on a surface of the organolead trihalide perovskite single crystal opposite the substrate layer. 9. The detector device of claim 1, wherein:the organolead trihalide perovskite single crystal has a composition of MAPbBr3, wherein MA is methylammonium (CH3NH3+);andbinding layer comprises brominated (3-aminopropyl)triethoxysilane (APTES) or PEDOT:PSS or molecules that contain one of sulfonic acid groups, phosphate and carboxylate. 10. The detector device of claim 9, further including an electrode layer disposed on a surface of the organolead trihalide perovskite single crystal opposite the silicon substrate layer. 11. The detector device of claim 9, wherein a thickness of the organolead trihalide perovskite single crystal is between about 0.001 mm and about 100 mm. 12. The device of claim 9, wherein the molecules have a formula R—X where R includes aliphatic or aromatic groups, and X includes one of —NH2 group, sulfonic acid groups, phosphate and carboxylate. 13. The device of claim 12, wherein R includes one of —(CH2)nCH3, —(CH2)nNH2, —(CH2)nSi(OC2H5)3, —(CH2)nSi(OCH3)3, or —(CH2)nCF3.