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                    "description": "Single crystals synthesized by slow cooling method. Growth solution prepared with 0.16mmol PEAI, 0.40mmol SnI2, 2mL HI, and 0.2mL H3PO3 in a sealed glass vial and placed in a muffle furnace and heated until completely dissolved. Solution cooled to room temperature at a rate of 2°C/hour. Crystals were then dried and stored in a nitrogen glove box.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2475,
                    "system": 1
                }
            ],
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                {
                    "id": 1894,
                    "created": "2024-02-16T01:25:25.504107-05:00",
                    "updated": "2024-02-16T01:25:25.503842-05:00",
                    "method": "PL or absorption spectra and Arrhenius estimation",
                    "description": "Exciton binding energy of 2D tin perovskites were extracted from temperature dependent PL spectra. Exciton binding energies obtained from Arrhenius formula fitting. \r\n\r\nTemperature dependent PL measurements were conducted by combining a Linkam THMS600 stage with the Witec system. Air was purged from stage chamber with dry nitrogen to remove water and oxygen. Cooling rate set to 20 degrees Celsius/min. 50x objective lens used for signal collecting.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2475,
                    "system": 1
                }
            ],
            "subsets": [
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                    "pk": 2882,
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                    "crystal_system": "unknown",
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                                    "qualifier": "secondary",
                                    "formatted": "0.0040398406374502"
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                                {
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                        {
                            "values": [
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                                {
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                        {
                            "values": [
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                                    "qualifier": "secondary",
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                                {
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                        {
                            "values": [
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                            "values": [
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                                    "formatted": "0.004613545816733068"
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                        {
                            "values": [
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                                    "qualifier": "secondary",
                                    "formatted": "0.005091633466135458"
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                        {
                            "values": [
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                            "values": [
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                        {
                            "values": [
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                                    "formatted": "0.00598406374501992"
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                        {
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                            "values": [
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                                    "qualifier": "secondary",
                                    "formatted": "0.006796812749003983"
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                            "values": [
                                {
                                    "qualifier": "secondary",
                                    "formatted": "0.007306772908366534"
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                        {
                            "values": [
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                                    "formatted": "0.007880478087649401"
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                        {
                            "values": [
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                                    "qualifier": "secondary",
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                                {
                                    "qualifier": "primary",
                                    "formatted": "288108.72027180064"
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                        },
                        {
                            "values": [
                                {
                                    "qualifier": "secondary",
                                    "formatted": "0.009346613545816732"
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                                {
                                    "qualifier": "primary",
                                    "formatted": "298980.7474518686"
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                        },
                        {
                            "values": [
                                {
                                    "qualifier": "secondary",
                                    "formatted": "0.010302788844621514"
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                                {
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                                    "formatted": "317100.7927519819"
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                            ]
                        },
                        {
                            "values": [
                                {
                                    "qualifier": "secondary",
                                    "formatted": "0.011482071713147409"
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                                {
                                    "qualifier": "primary",
                                    "formatted": "321630.80407701014"
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                        },
                        {
                            "values": [
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                                    "qualifier": "secondary",
                                    "formatted": "0.012501992031872508"
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                                {
                                    "qualifier": "primary",
                                    "formatted": "319818.7995469988"
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                    ]
                }
            ],
            "space_group": ""
        },
        {
            "created": "2024-02-15T00:04:39-05:00",
            "created_by": "kellyma",
            "updated": "2024-02-15T00:04:39-05:00",
            "updated_by": "kellyma",
            "pk": 2474,
            "caption": "Method: Powder X-ray Diffraction",
            "system": {
                "id": 569,
                "compound_name": "bis(bithiophenylethylammonium) methylammonium tin iodide",
                "formula": "C21H30N3S4Sn2I7",
                "group": "(2T)2MASn2I7",
                "organic": "C21H30N3S4",
                "inorganic": "Sn2I7",
                "iupac": "bis(2-(2′:5′,2″bithiophen)ethan-1-aminium) methylaminium tin(II) iodide",
                "last_update": "2024-01-30",
                "description": "",
                "message": "",
                "dimensionality": 3,
                "n": "2",
                "derived_to_from": [],
                "tags": []
            },
            "primary_property": {
                "id": 106,
                "created": "2024-01-30T12:01:23-05:00",
                "updated": "2024-01-30T12:01:23-05:00",
                "name": "Interlayer Distance, Inorganic-to-Inorganic",
                "method": "",
                "created_by": 8,
                "updated_by": 8
            },
            "primary_unit": {
                "id": 6,
                "created": "2019-03-14T17:08:58-04:00",
                "updated": "2019-03-14T17:08:58-04:00",
                "label": "Å",
                "created_by": 15,
                "updated_by": 15
            },
            "secondary_property": null,
            "secondary_unit": null,
            "reference": {
                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
                "journal": "Science Advances",
                "vol": "9",
                "pages_start": "eadh0517",
                "pages_end": "eadh0517",
                "year": "2023",
                "doi_isbn": "10.1126/sciadv.adh0517"
            },
            "visible": true,
            "is_experimental": true,
            "dimensionality": 2,
            "sample_type": "powder",
            "extraction_method": "Manual from article",
            "representative": true,
            "linked_to": [],
            "verified_by": [],
            "computational": [],
            "synthesis": [
                {
                    "id": 1883,
                    "created": "2024-02-15T00:04:39.270889-05:00",
                    "updated": "2024-02-15T00:04:39.270652-05:00",
                    "starting_materials": "2TI, SnI2, MAI, HI, H3PO2, IPA",
                    "product": "Single crystals of 2D tin halide perovskite. Thin flakes were then exfoliated from the single crystals.",
                    "description": "Single crystals synthesized by slow cooling method. Growth solution prepared with 0.006mmol 2TI, 0.132mmol MAI, 0.05mmol SnI2, 0.2mL HI, 0.1mL H3PO3, and 0.3mL IPA in a sealed glass vial and placed in a muffle furnace and heated until completely dissolved. Solution cooled to room temperature at a rate of 2°C/hour. Crystals were then dried and stored in a nitrogen glove box.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2474,
                    "system": 1
                }
            ],
            "experimental": [
                {
                    "id": 1893,
                    "created": "2024-02-15T00:04:39.271574-05:00",
                    "updated": "2024-02-15T00:04:39.271350-05:00",
                    "method": "Powder X-ray Diffraction",
                    "description": "Performed using Bruker D8 Advance, using copper target and steps of 0.02 degrees.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2474,
                    "system": 1
                }
            ],
            "subsets": [
                {
                    "pk": 2881,
                    "label": "",
                    "crystal_system": "unknown",
                    "fixed_values": [],
                    "datapoints": [
                        {
                            "values": [
                                {
                                    "qualifier": "primary",
                                    "formatted": "26.4"
                                }
                            ]
                        }
                    ]
                }
            ],
            "space_group": ""
        },
        {
            "created": "2024-02-14T23:59:14-05:00",
            "created_by": "kellyma",
            "updated": "2024-02-14T23:59:14-05:00",
            "updated_by": "kellyma",
            "pk": 2473,
            "caption": "Method: Powder X-ray Diffraction",
            "system": {
                "id": 566,
                "compound_name": "bis(phenethylammonium) methylammonium tin iodide",
                "formula": "C11H15N2Sn2I7",
                "group": "(PEA)2MASn2I7",
                "organic": "C11H15N2",
                "inorganic": "Sn2I7",
                "iupac": "bis(phenethylamminium) methylamminium tin iodide",
                "last_update": "2024-01-30",
                "description": "",
                "message": "",
                "dimensionality": 3,
                "n": "2",
                "derived_to_from": [],
                "tags": []
            },
            "primary_property": {
                "id": 106,
                "created": "2024-01-30T12:01:23-05:00",
                "updated": "2024-01-30T12:01:23-05:00",
                "name": "Interlayer Distance, Inorganic-to-Inorganic",
                "method": "",
                "created_by": 8,
                "updated_by": 8
            },
            "primary_unit": {
                "id": 6,
                "created": "2019-03-14T17:08:58-04:00",
                "updated": "2019-03-14T17:08:58-04:00",
                "label": "Å",
                "created_by": 15,
                "updated_by": 15
            },
            "secondary_property": null,
            "secondary_unit": null,
            "reference": {
                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
                "journal": "Science Advances",
                "vol": "9",
                "pages_start": "eadh0517",
                "pages_end": "eadh0517",
                "year": "2023",
                "doi_isbn": "10.1126/sciadv.adh0517"
            },
            "visible": true,
            "is_experimental": true,
            "dimensionality": 2,
            "sample_type": "powder",
            "extraction_method": "Manual from article",
            "representative": true,
            "linked_to": [],
            "verified_by": [],
            "computational": [],
            "synthesis": [
                {
                    "id": 1882,
                    "created": "2024-02-14T23:59:14.625289-05:00",
                    "updated": "2024-02-14T23:59:14.624869-05:00",
                    "starting_materials": "PEAI, SnI2, HI, H3PO2, MAI",
                    "product": "Single crystals of 2D tin halide perovskite. Thin flakes were then exfoliated from the single crystals.",
                    "description": "Single crystals synthesized by slow cooling method. Growth solution prepared with 0.17mmol PEAI, 0.4mmol MAI, 0.40mmol SnI2, 2mL HI, and 0.2mL H3PO3 in a sealed glass vial and placed in a muffle furnace and heated until completely dissolved. Solution cooled to room temperature at a rate of 2°C/hour. Crystals were then dried and stored in a nitrogen glove box.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2473,
                    "system": 1
                }
            ],
            "experimental": [
                {
                    "id": 1892,
                    "created": "2024-02-14T23:59:14.626434-05:00",
                    "updated": "2024-02-14T23:59:14.626044-05:00",
                    "method": "Powder X-ray Diffraction",
                    "description": "Performed using Bruker D8 Advance, using copper target and steps of 0.02 degrees.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2473,
                    "system": 1
                }
            ],
            "subsets": [
                {
                    "pk": 2880,
                    "label": "",
                    "crystal_system": "unknown",
                    "fixed_values": [],
                    "datapoints": [
                        {
                            "values": [
                                {
                                    "qualifier": "primary",
                                    "formatted": "22.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "space_group": ""
        },
        {
            "created": "2024-02-14T23:45:42-05:00",
            "created_by": "kellyma",
            "updated": "2024-02-14T23:45:42-05:00",
            "updated_by": "kellyma",
            "pk": 2472,
            "caption": "Method: Powder X-ray Diffraction",
            "system": {
                "id": 568,
                "compound_name": "Bis(2-([2,2′:5′,2″-terthiophen]-5-yl)ethan-1-aminium) tin iodide",
                "formula": "C28H28I4N2S6Sn",
                "group": "(3T)2SnI4, Bis(2-([2,2′:5′,2″-terthiophen]-5-yl)ethylammonium) tin iodide, Bis(terthiophenylethylammonium) tin iodide",
                "organic": "C28H28N2S6",
                "inorganic": "SnI4",
                "iupac": "bis(2-([2,2′:5′,2″-terthiophen]-5-yl)ethan-1-aminium) tin(II) iodide",
                "last_update": "2024-01-30",
                "description": "",
                "message": "",
                "dimensionality": 2,
                "n": "1",
                "derived_to_from": [],
                "tags": []
            },
            "primary_property": {
                "id": 106,
                "created": "2024-01-30T12:01:23-05:00",
                "updated": "2024-01-30T12:01:23-05:00",
                "name": "Interlayer Distance, Inorganic-to-Inorganic",
                "method": "",
                "created_by": 8,
                "updated_by": 8
            },
            "primary_unit": {
                "id": 6,
                "created": "2019-03-14T17:08:58-04:00",
                "updated": "2019-03-14T17:08:58-04:00",
                "label": "Å",
                "created_by": 15,
                "updated_by": 15
            },
            "secondary_property": null,
            "secondary_unit": null,
            "reference": {
                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
                "journal": "Science Advances",
                "vol": "9",
                "pages_start": "eadh0517",
                "pages_end": "eadh0517",
                "year": "2023",
                "doi_isbn": "10.1126/sciadv.adh0517"
            },
            "visible": true,
            "is_experimental": true,
            "dimensionality": 2,
            "sample_type": "powder",
            "extraction_method": "Manual from article",
            "representative": true,
            "linked_to": [],
            "verified_by": [],
            "computational": [],
            "synthesis": [
                {
                    "id": 1881,
                    "created": "2024-02-14T23:45:42.383292-05:00",
                    "updated": "2024-02-14T23:45:42.383034-05:00",
                    "starting_materials": "3TI, SnI2, HI, H3PO2, ethanol",
                    "product": "Single crystals of 2.5D tin halide perovskite. Thin flakes were then exfoliated from the single crystals.",
                    "description": "Single crystals synthesized by slow cooling method. Growth solution prepared with 0.005mmol 3TI, 0.03mmol SnI2, 0.2mL HI, 0.1mL H3PO2, and 0.5mL ethanol in a sealed glass vial and placed in a muffle furnace and heated until completely dissolved. Solution cooled to room temperature at a rate of 2°C/hour. Crystals were then dried and stored in a nitrogen glove box.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2472,
                    "system": 1
                }
            ],
            "experimental": [
                {
                    "id": 1891,
                    "created": "2024-02-14T23:45:42.384030-05:00",
                    "updated": "2024-02-14T23:45:42.383789-05:00",
                    "method": "Powder X-ray Diffraction",
                    "description": "Performed using Bruker D8 Advance, using copper target and steps of 0.02 degrees.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2472,
                    "system": 1
                }
            ],
            "subsets": [
                {
                    "pk": 2879,
                    "label": "",
                    "crystal_system": "unknown",
                    "fixed_values": [],
                    "datapoints": [
                        {
                            "values": [
                                {
                                    "qualifier": "primary",
                                    "formatted": "24.8"
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                            ]
                        }
                    ]
                }
            ],
            "space_group": ""
        },
        {
            "created": "2024-02-14T23:37:30-05:00",
            "created_by": "kellyma",
            "updated": "2024-02-14T23:37:30-05:00",
            "updated_by": "kellyma",
            "pk": 2471,
            "caption": "Method: Powder X-ray Diffraction",
            "system": {
                "id": 250,
                "compound_name": "Bis(ethylammoniumbithiophene) tin iodide",
                "formula": "(2T)2SnI4",
                "group": "(2T)2SnI4, bis(ethylammoniumbithiophene) tetraiodostannate(II)",
                "organic": "C5H7NS",
                "inorganic": "SnI4, Tin iodide",
                "iupac": "bis(ethylammoniumbithiophene) tin iodide",
                "last_update": "2022-06-20",
                "description": "",
                "message": "",
                "dimensionality": 2,
                "n": "1",
                "derived_to_from": [],
                "tags": []
            },
            "primary_property": {
                "id": 106,
                "created": "2024-01-30T12:01:23-05:00",
                "updated": "2024-01-30T12:01:23-05:00",
                "name": "Interlayer Distance, Inorganic-to-Inorganic",
                "method": "",
                "created_by": 8,
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            },
            "primary_unit": {
                "id": 6,
                "created": "2019-03-14T17:08:58-04:00",
                "updated": "2019-03-14T17:08:58-04:00",
                "label": "Å",
                "created_by": 15,
                "updated_by": 15
            },
            "secondary_property": null,
            "secondary_unit": null,
            "reference": {
                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
                "journal": "Science Advances",
                "vol": "9",
                "pages_start": "eadh0517",
                "pages_end": "eadh0517",
                "year": "2023",
                "doi_isbn": "10.1126/sciadv.adh0517"
            },
            "visible": true,
            "is_experimental": true,
            "dimensionality": 2,
            "sample_type": "powder",
            "extraction_method": "Manual from article",
            "representative": true,
            "linked_to": [],
            "verified_by": [],
            "computational": [],
            "synthesis": [
                {
                    "id": 1880,
                    "created": "2024-02-14T23:37:30.935857-05:00",
                    "updated": "2024-02-14T23:37:30.935618-05:00",
                    "starting_materials": "2TI, SnI2, HI, H3PO2, IPA",
                    "product": "Single crystals of 2D tin halide perovskite. Thin flakes were then exfoliated from the single crystals.",
                    "description": "Single crystals synthesized by slow cooling method. Growth solution prepared with 0.03mmol 2TI, 0.03mmol SnI2, 0.1mL HI, 0.05mL H3PO2, and 0.4mL IPA in a sealed glass vial and placed in a muffle furnace and heated until completely dissolved. Solution cooled to room temperature at a rate of 2°C/hour. Crystals were then dried and stored in a nitrogen glove box.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2471,
                    "system": 1
                }
            ],
            "experimental": [
                {
                    "id": 1890,
                    "created": "2024-02-14T23:37:30.936532-05:00",
                    "updated": "2024-02-14T23:37:30.936299-05:00",
                    "method": "Powder X-ray Diffraction",
                    "description": "Performed using Bruker D8 Advance, using copper target and steps of 0.02 degrees.",
                    "created_by": 130,
                    "updated_by": 130,
                    "dataset": 2471,
                    "system": 1
                }
            ],
            "subsets": [
                {
                    "pk": 2878,
                    "label": "",
                    "crystal_system": "unknown",
                    "fixed_values": [],
                    "datapoints": [
                        {
                            "values": [
                                {
                                    "qualifier": "primary",
                                    "formatted": "20.3"
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                            ]
                        }
                    ]
                }
            ],
            "space_group": ""
        },
        {
            "created": "2024-02-14T23:34:33-05:00",
            "created_by": "kellyma",
            "updated": "2024-02-14T23:34:33-05:00",
            "updated_by": "kellyma",
            "pk": 2470,
            "caption": "Method: Powder X-ray Diffraction",
            "system": {
                "id": 179,
                "compound_name": "Bis(phenethylammonium) tin iodide",
                "formula": "C16H24N2SnI4",
                "group": "bis(phenylethanaminium) tetraiodostannate(II), (PEA)2SnI4, (C6H5CH2CH2NH3)2(SnI4)",
                "organic": "C8H12N",
                "inorganic": "SnI4, Tin iodide",
                "iupac": "bis(phenylethanaminium) tin iodide",
                "last_update": "2022-01-26",
                "description": "",
                "message": "",
                "dimensionality": 2,
                "n": "1",
                "derived_to_from": [
                    477
                ],
                "tags": []
            },
            "primary_property": {
                "id": 106,
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                "updated": "2024-01-30T12:01:23-05:00",
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                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
                "journal": "Science Advances",
                "vol": "9",
                "pages_start": "eadh0517",
                "pages_end": "eadh0517",
                "year": "2023",
                "doi_isbn": "10.1126/sciadv.adh0517"
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                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
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                "id": 311,
                "title": "Phase-pure 2D tin halide perovskite thin flakes for stable lasing",
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