<trans-title>A Layered Uranyl Coordination Polymer with UV Detection Sensitivity, Stability, and Reusability</trans-title>

Lei CHEN; Lanhua CHEN; Yugang ZHANG; Jian XIE; Juan DIWU

doi:10.15541/jim20200139

Journal of Inorganic Materials, Volume. 35, Issue 12, 1391(2020)

A Layered Uranyl Coordination Polymer with UV Detection Sensitivity, Stability, and Reusability

Lei CHEN... Lanhua CHEN, Yugang ZHANG, Jian XIE and Juan DIWU* |Show fewer author(s)

State Key Laboratory of Radiation Medicine and Protection, School for Radiological and Interdisciplinary Sciences (RAD-X), Collaborative Innovation Centre of Radiological Medicine of Jiangsu Higher Education Institutions, Soochow University, Suzhou 215123, China

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Figures & Tables(10)

1. Structural depiction of UPhPC-1(a) View of the layer topology in the [bc] plane; (b) View of the stacking mode of the uranyl layers

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2. Luminescence spectra (a) of UPhPC-1 with increasing doses of UV radiation, correlation between the quenching ratio and the UV radiation dose (b) (measured at 516 nm), and corresponding photographs (c) of the single crystal under continuous UV irradiationThe inset is the linear fitting of the point data in the low dose range (0-0.028 mJ)

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3. Photoluminescence spectra (a) of UPhPC-1 before and after X-ray irradiation, EPR spectra (b) of UPhPC-1 before and after UV and X-ray irradiation, luminescence intensities (c) of UPhPC-1 before and after UV irradiation, and after the heating recovery process

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S1. FT-IR spectra of the pristine UPhPC-1 (a), and UPhPC-1 after UV irradiation and 100 Gy X-ray irradiation (b)

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S2. Photoluminescent spectra of UPhPC-1 (λ_ex = 365 nm) and UO₂(NO₃)₂·6H₂O

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S3. UV-Vis absorption spectrum of UPhPC-1 at 298 K

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S4. PXRD patterns of samples irradiated by UV and X-ray radiation and soaking in HNO₃/NaOH aqueous solutions at pH range from 5 to 12 for 24 h

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S5. Thermogravimetric analysis curve of UPhPC-1

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Table 1.
Crystallographic data of UPhPC-1 (CCDC No. 1978001)

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Table 1.
Crystallographic data of UPhPC-1 (CCDC No. 1978001)

Formula	[N(C₂H₅)₄]₂(UO₂)₅[C₆H₅PO₂C₂COO]₆
Mr/(g•mol^-1)	2883.45
Color and habit	Yellow, block
Crystal system	Triclinic
Space group	$P \overline 1$
a/nm	1.0802(4)
b/nm	1.2288(5)
c/nm	1.7544(5)
α/(°)	86.856(13)
β/(°)	78.009(10)
γ/(°)	86.530(18)
V/nm³	2.2714(15)
Z	1
ρ calcd/(g⋅cm^-3)	2.108
T/K	298
R(F) for F_o² > 2σ(F_o²)^a	0.0322
R_w(F_o²)^b	0.0816
^aR(F)= ∑\|\| F_o\| - \|F_c\|\|/∑\|F_o\|	^bR_w(F_o²)=[∑[w(F_o² - F_c²)²]/∑wF_o⁴]^1/2

Table 2.
The elemental analyses of UPhPC-1
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Table 2.
The elemental analyses of UPhPC-1
Content/% Peak area Daily factor
N 0.0832 929 0.9751
C 28.68 20169 0.9846
H 3.409 6670 0.9800

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Lei CHEN, Lanhua CHEN, Yugang ZHANG, Jian XIE, Juan DIWU. A Layered Uranyl Coordination Polymer with UV Detection Sensitivity, Stability, and Reusability[J]. Journal of Inorganic Materials, 2020, 35(12): 1391

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