Preparation and Luminescence Properties of Cd-based MOF/Dye Composites

Mingzhu LIU; Chuanwen NIU; Huanhuan ZHANG; Yanjun XING

doi:10.15541/jim20190642

Journals >Journal of Inorganic Materials >Volume 35 >Issue 10 >Page 1123 > Article

Journal of Inorganic Materials
Vol. 35, Issue 10, 1123 (2020)

Preparation and Luminescence Properties of Cd-based MOF/Dye Composites

Mingzhu LIU^1、2, Chuanwen NIU^1、2, Huanhuan ZHANG³, and Yanjun XING^1、2、*

Author Affiliations

¹Key Laboratory of Science and Technology of Eco-Textiles, Ministry of Education, Donghua University, Shanghai 201620, China

²College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China

³Shanghai Institute of Quality Inspection and Technical Research, Shanghai 200030,China

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DOI: 10.15541/jim20190642 Cite this Article

Mingzhu LIU, Chuanwen NIU, Huanhuan ZHANG, Yanjun XING. Preparation and Luminescence Properties of Cd-based MOF/Dye Composites[J]. Journal of Inorganic Materials, 2020, 35(10): 1123 Copy Citation Text

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1. XRD patterns of MOF and composite materials

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2. SEM images of MOF and MOF/Dye

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3. Excitation spectrum and fluorescence emission spectrum (a), and optical photo of MOF (b)

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4. Fluorescence emission spectra of MOF and MOF/CA (a); CIE chromaticity diagram (b)( where 1: MOF/CA-1; 2: MOF/CA-2; 3: MOF/CA-3; 4: MOF/CA-4; 5: MOF/CA-5) and optical photos under daylight and UV light at 365 nm (c)

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5. Fluorescence emission spectra of MOF/CA+RhB (a), CIE chromaticity diagram (b) (where 1: MOF/CA₅+RhB; 2: MOF/CA₁₀+RhB; 3: MOF/CA₂₀+RhB) and optical photos under sunlight and UV light at 365 nm (c)

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6. Fluorescence emission spectra of MOF/CA+CV (a), CIE chromaticity diagram (b)(where 4: MOF/CA₅+CV; 5: MOF/CA₁₀+CV; 6: MOF/CA₂₀+CV)and optical photos under sunlight and UV light at 365 nm (c)

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7. Fluorescence emission spectra of MOF/CA+RhB+CV

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Sample		CA addition (mol/1×10^-3mol Cd²⁺)	Addition ratio
Sample		CA addition (mol/1×10^-3mol Cd²⁺)	CA/RhB	CA/CV
MOF/CA	MOF/CA-1	1.25×10^-7	-	-
	MOF/CA-2	2.50×10^-7	-	-
	MOF/CA-3(MOF/CA₁₀)	5.00×10^-7	-	-
	MOF/CA-4	1.00×10^-6	-	-
	MOF/CA-5	2.00×10^-6	-	-
MOF/CA+RhB	MOF/CA₅+RhB	2.5×10^-7	5 : 1	-
	MOF/CA₁₀+RhB	5.0×10^-7	10 : 1	-
	MOF/CA₂₀+RhB	1.0×10^-6	20 : 1	-
MOF/CA+CV	MOF/CA₅+CV	2.5×10^-7	-	5 : 1
	MOF/CA₁₀+CV	5.0×10^-7	-	10 : 1
	MOF/CA₂₀+CV	1.0×10^-6	-	20 : 1
MOF/CA+RhB+CV	MOF/CA₁+RhB+CV	5.0×10^-8	1 : 1	1 : 1
	MOF/CA₃+RhB+CV	1.5×10^-7	3 : 1	3 : 1
	MOF/CA₅+RhB+CV	1.5×10^-7	5 : 1	5 : 1
	MOF/CA₁₀+RhB+CV	5.0×10^-7	10 : 1	10 : 1
	MOF/CA₂₀+RhB+CV	1.0×10^-6	20 : 1	20 : 1

Table 1. Sample abbreviation and dye addition amount

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Sample	Changes of intensity of characteristic fluorescence peak R
Sample	R_MOF	R_CA	R_RhB	R_CV
MOF/CA₁+RhB+CV	1.00	1.00	1.00	1.00
MOF/CA₃+RhB+CV	0.71	1.79	0.92	0.95
MOF/CA₅+RhB+CV	0.70	2.70	1.28	1.17
MOF/CA₁₀+RhB+CV	0.52	4.31	1.69	1.38
MOF/CA₂₀+RhB+CV	0.28	3.15	1.30	1.12

Table 2. Changes of intensity of characteristic fluorescence peaks(R)in MOF/CA+RhB+CV

Mingzhu LIU, Chuanwen NIU, Huanhuan ZHANG, Yanjun XING. Preparation and Luminescence Properties of Cd-based MOF/Dye Composites[J]. Journal of Inorganic Materials, 2020, 35(10): 1123

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