CN105694862B - Luminescent material [Zn (tibc)2]nAnd synthetic method - Google Patents

Luminescent material [Zn (tibc)2]nAnd synthetic method Download PDF

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CN105694862B
CN105694862B CN201610171237.5A CN201610171237A CN105694862B CN 105694862 B CN105694862 B CN 105694862B CN 201610171237 A CN201610171237 A CN 201610171237A CN 105694862 B CN105694862 B CN 105694862B
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tibc
htibc
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CN105694862A (en
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张淑华
张海洋
肖瑜
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Li Zaigao
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Guilin University of Technology
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    • C09K11/00Luminescent, e.g. electroluminescent, chemiluminescent materials
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    • C07DHETEROCYCLIC COMPOUNDS
    • C07D249/00Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms
    • C07D249/02Heterocyclic compounds containing five-membered rings having three nitrogen atoms as the only ring hetero atoms not condensed with other rings
    • C07D249/081,2,4-Triazoles; Hydrogenated 1,2,4-triazoles
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Abstract

The invention discloses a kind of luminescent material [Zn (tibc)2]nAnd synthetic method.Monomer molecule formula is:C18H10ZnBr4N8O2, molecular weight is:755.33g/mol, Htibc are the 3,5 Dibromosalicylaldehydes contracting triazole schiff bases of 4 amino 1,2,4.It will analyze pure 3, and 5 Dibromosalicylaldehydes and the triazole of analytically pure 4 amino 1,2,4, be dissolved in analysis straight alcohol solution, be heated to reflux and stir to obtain part Htibc.Dried Htibc and the pure zinc acetate of analysis are dissolved in and analyze pure N, in N ' dimethylformamides, distilled water is added, five days is stood in 90 DEG C of baking ovens.[Zn(tibc)2]nThe 526.4nm of 529.7a.u. intensity fluorescence is produced under 450nm incident light irradiation;Under 800V photomultiplier, 3 times of amplification coefficient, it is placed in 1mol/L potassium persulfate solutions, produces the luminous of 2910a.u. intensity stabilizations.Present invention process is simple, cost is cheap, chemical constituent is easily controllable, reproducible and yield is high.

Description

Luminescent material [Zn (tibc)2]nAnd synthetic method
Technical field
The present invention relates to a kind of luminescent material of stabilization [Zn (tibc)2]n, (Htibc is 3,5- Dibromosalicylaldehyde contracting 4- ammonia The triazole of base -1,2,4 schiff bases) and synthetic method.
Background technology
Development of the modern luminescent material after many decades, oneself turns into the fields such as presentation of information, lighting source, photoelectric device Backing material, the effect to become more and more important is played for social development and technological progress.Particularly energy scarcity is present, and exploitation turns The luminescent material for changing efficiency high is that solve the problems, such as one of energy scarcity method.
The content of the invention
The purpose of the present invention is exactly to synthesize the excellent functional material of luminosity for design, utilizes micro- bottle of reaction method to synthesize [Zn(tibc)2]n
[Zn (tibc) of the present invention2]nMolecular formula be:C18H10ZnBr4N8O2, molecular weight is:755.33 g/ Mol, Htibc 3,5- Dibromosalicylaldehyde contracting 4- amino -1,2,4 triazole schiff bases, crystal structural data are shown in Table one, Jian Changjian Angular data is shown in Table two.
Table one:[Zn(tibc)2]nCrystallographic parameter
aR1=Σ | | Fo|–|Fc||/Σ|Fo|.b wR2=[Σ w (| Fo 2|–|Fc 2|)2/Σw(|Fo 2|)2]1/2
Table two:[Zn(tibc)2]nBond distanceWith bond angle °
Zn1—O3 2.015(6) N9—N17 1.367(10)
Zn1—O3i 2.015(6) N9—C10 1.313(10)
Zn1—N6 2.201(7) N15—N6iii 1.428(9)
Zn1—N6i 2.201(7) N15—C0AA 1.360(11)
Zn1—N9 2.195(7) N15—C10 1.321(11)
Zn1—N9i 2.195(7) N17—C0AA 1.304(11)
Br5—C11 1.891(9) C6—C7 1.422(14)
Br8—C16 1.894(11) C6—C16 1.375(14)
O3—C5 1.282(10) C7—C5 1.426(13)
N6—C8i 1.279(11) C5—C11 1.428(11)
N6—N15ii 1.428(9) C11—C20 1.358(14)
C8—N6i 1.279(11) C16—C20 1.395(15)
C8—C7 1.453(12)
O3—Zn1—O3i 180.0(4) C10—N9—N17 107.4(7)
O3—Zn1—N6i 84.1(2) C0AA—N15—N6iii 126.9(7)
O3—Zn1—N6 95.9(2) C10—N15—N6iii 126.5(7)
O3i—Zn1—N6i 95.9(2) C10—N15—C0AA 106.5(7)
O3i—Zn1—N6 84.1(2) C0AA—N17—N9 107.3(7)
O3—Zn1—N9 87.9(3) C16—C6—C7 119.8(10)
O3—Zn1—N9i 92.1(3) C6—C7—C8 115.1(8)
O3i—Zn1—N9i 87.9(3) C6—C7—C5 121.3(8)
O3i—Zn1—N9 92.1(3) C5—C7—C8 123.6(8)
N6—Zn1—N6i 179.999(1) N17—C0AA—N15 109.0(8)
N9—Zn1—N6 95.1(3) O3—C5—C7 124.5(7)
N9i—Zn1—N6i 95.1(3) O3—C5—C11 120.7(8)
N9—Zn1—N6i 84.9(3) C7—C5—C11 114.7(8)
N9i—Zn1—N6 84.9(3) N9—C10—N15 109.8(7)
N9—Zn1—N9i 180.0 C5—C11—Br5 116.9(7)
C5—O3—Zn1 125.0(5) C20—C11—Br5 119.1(7)
C8i—N6—Zn1 123.2(6) C20—C11—C5 124.0(9)
C8i—N6—N15ii 111.0(7) C6—C16—Br8 120.6(9)
N15ii—N6—Zn1 122.3(5) C6—C16—C20 120.5(10)
N6i—C8—C7 124.4(8) C20—C16—Br8 118.8(8)
N17—N9—Zn1 123.0(5) C11—C20—C16 119.6(9)
C10—N9—Zn1 129.5(6)
Symmetry codes:(i)-x,-y+1,-z+1;(ii)-x,y-1/2,-z+3/2;(iii)-x,y+1/2,- z+ 3/2.
[the Zn (tibc)2]nSynthetic method concretely comprise the following steps:
(1) by analytically pure 3, the 5- Dibromosalicylaldehydes of 2.79g and the analytically pure 4- amino -1,2 of 0.841g, 4- triazoles, It is dissolved in 30mL analysis straight alcohol solution, is heated to reflux and has solid precipitation after stirring two hours, filter, is analyzed with 10mL pure Ethanol washs three times, places and is dried at 50 DEG C, obtains part Htibc.By the dried Htibc of 0.069-0.138 g and 0.050-0.100g, which analyzes pure zinc acetate and is dissolved in 5mL, analyzes pure N, in N '-dimethyl formamide, is placed in micro- reaction bulb, then add Enter 5mL distilled water, five days are stood in 90 DEG C of baking ovens, there is the i.e. [Zn (tibc) of golden yellow crystal generation2]n.Pass through single crystal diffractometer Determine [Zn (tibc)2]nStructure, crystal structural data is shown in Table one, and bond distance's bond angle data are shown in Table two.
(2) [Zn (tibc) obtained by step (1) is taken2]nThe pure N of analysis is dissolved in, concentration is made into N '-dimethyl formamide solvent For 5.0 × 10-6Mol/L solution, carry out fluorometric investigation, [Zn (tibc)2]n529.7 are produced under 450nm incident light irradiation A.u. the 526.4nm of intensity fluorescence;Under 800V photomultiplier, 3 times of amplification coefficient, take 100 μ L are above-mentioned to prepare Solution is placed in 1mol/L potassium persulfate solutions (conducting medium), generates the luminous of 2910 a.u. intensity, and in this condition Under, it can continue and stabilized illumination.
The present invention has the advantages that technique is simple, cost is cheap, chemical constituent is easily controllable, reproducible and yield is high.
Brief description of the drawings
Fig. 1 is the present invention [Zn (tibc)2]nStructure chart.
Fig. 2 is the present invention [Zn (tibc)2]n2 d plane picture.
Fig. 3 is the present invention [Zn (tibc)2]nTomograph.
Fig. 4 is the present invention [Zn (tibc)2]nFluorescence spectra.
Fig. 5 is the present invention [Zn (tibc)2]nElectrochemical luminescence spectrogram.
Embodiment
Embodiment 1:
[Zn (tibc) of the present invention2]nMolecular formula be:C18H10ZnBr4N8O2, molecular weight is:755.33 g/ Mol, Htibc 3,5- Dibromosalicylaldehyde contracting 4- amino -1,2,4 triazole schiff bases, crystal structural data are shown in Table one, Jian Changjian Angular data is shown in Table two.
[Zn(tibc)2]nSynthetic method concretely comprise the following steps:
(1) by analytically pure 3, the 5- Dibromosalicylaldehydes of 2.79g and the analytically pure 4- amino -1,2 of 0.841g, 4- triazoles, It is dissolved in 30mL analysis straight alcohol solution, is heated to reflux and has solid precipitation after stirring two hours, filter, is analyzed with 10mL pure Ethanol washs three times, places and is dried at 50 DEG C, obtains part Htibc.Yield:3.214g yield 94%.0.069g is dried Rear Htibc and 0.050g, which analyzes pure zinc acetate and is dissolved in 5mL, analyzes pure N, in N '-dimethyl formamide, is placed in micro- reaction bulb In, 5mL distilled water is added, five days are stood in 90 DEG C of baking ovens, there is the i.e. [Zn (tibc) of golden yellow crystal generation2]n.Yield: 0.047g, yield 47%.[Zn (tibc) is determined by single crystal diffractometer2]nStructure, crystal structural data is shown in Table one, Jian Changjian Angular data is shown in Table two.
(2) [Zn (tibc) obtained by step (1) is taken2]nThe pure N of analysis is dissolved in, concentration is made into N '-dimethyl formamide solvent For 5.0 × 10-5Mol/L solution, carry out fluorometric investigation, [Zn (tibc)2]nProduced under 450nm incident light irradiation The 526.4nm of 529.7a.u. intensity fluorescence;Under 800V photomultiplier, 3 times of amplification coefficient, take 100 μ L are above-mentioned to match somebody with somebody Good solution is placed in 1mol/L potassium persulfate solutions (conducting medium), generates the luminous of 2910a.u. intensity, and at this Under part, it can continue and stabilized illumination.
Embodiment 2:
[Zn (tibc) of the present invention2]nMolecular formula be:C18H10ZnBr4N8O2, molecular weight is:755.33 g/ Mol, Htibc 3,5- Dibromosalicylaldehyde contracting 4- amino -1,2,4 triazole schiff bases, crystal structural data are shown in Table one, Jian Changjian Angular data is shown in Table two.
[Zn(tibc)2]nSynthetic method concretely comprise the following steps:
(1) by analytically pure 3, the 5- Dibromosalicylaldehydes of 2.79g and the analytically pure 4- amino -1,2 of 0.841g, 4- triazoles, It is dissolved in 30mL analysis straight alcohol solution, is heated to reflux and has solid precipitation after stirring two hours, filter, is analyzed with 10mL pure Ethanol washs three times, places and is dried at 50 DEG C, obtains part Htibc.Yield:3.214g yield 94%.0.138g is dried Rear Htibc and 0.100g, which analyzes pure zinc acetate and is dissolved in 5mL, analyzes pure N, in N '-dimethyl formamide, is placed in micro- reaction bulb In, 5mL distilled water is added, five days are stood in 90 DEG C of baking ovens, there is the i.e. [Zn (tibc) of golden yellow crystal generation2]n.Yield: 0.094g, yield 47%.[Zn (tibc) is determined by single crystal diffractometer2]nStructure, crystal structural data is shown in Table one, Jian Changjian Angular data is shown in Table two.
(2) [Zn (tibc) obtained by step (1) is taken2]nThe pure N of analysis is dissolved in, concentration is made into N '-dimethyl formamide solvent For 5.0 × 10-5Mol/L solution, carry out fluorometric investigation, [Zn (tibc)2]nProduced under 450nm incident light irradiation The 526.4nm of 529.7a.u. intensity fluorescence;Under 800V photomultiplier, 3 times of amplification coefficient, take 100 μ L are above-mentioned to match somebody with somebody Good solution is placed in 1mol/L potassium persulfate solutions (conducting medium), generates the luminous of 2910a.u. intensity, and at this Under part, it can continue and stabilized illumination.

Claims (1)

  1. A kind of 1. luminescent material [Zn (tibc)2]n, it is characterised in that luminescent material [Zn (tibc)2]nMolecular formula be: C18H10ZnBr4N8O2, molecular weight is:755.33, Htibc be the triazole Schiff of 3,5- Dibromosalicylaldehyde contracting 4- amino -1,2,4 Alkali, crystal structural data are shown in Table one, and bond distance's bond angle data are shown in Table two;[Zn(tibc)2]nProduced under 450nm incident light irradiation The 526.4nm of 529.7a.u. intensity fluorescence;Under 800V photomultiplier, 3 times of amplification coefficient, 1mol/L mistakes are placed in In potassium sulfate solution, what is produced 2910a.u. intensity and stablize is luminous;
    Table one:[Zn(tibc)2]nCrystallographic parameter
    aR1=Σ | | Fo|–|Fc||/Σ|Fo|.bwR2=[Σ w (| Fo 2|–|Fc 2|)2/Σw(|Fo 2|)2]1/2
    Table two:[Zn(tibc)2]nBond distanceWith bond angle °
    Symmetry codes:(i)-x,-y+1,-z+1;(ii)-x,y-1/2,-z+3/2;(iii)-x,y+1/2,-z+3/2.
    [the Zn (tibc)2]nSynthetic method concretely comprise the following steps:
    (1) by analytically pure 3, the 5- Dibromosalicylaldehydes of 2.79g and the analytically pure 4- amino -1,2 of 0.841g, 4- triazoles, it is dissolved in In 30mL analysis straight alcohol solution, it is heated to reflux and has solid precipitation after stirring two hours, filter, straight alcohol is analyzed with 10mL Washing three times, is placed and dried at 50 DEG C, obtain part Htibc;By 0.069-0.138g dried Htibc and 0.050- 0.100g, which analyzes pure zinc acetate and is dissolved in 5mL, analyzes pure N, in N '-dimethyl formamide, is placed in micro- reaction bulb, adds 5mL steamings Distilled water, five days are stood in 90 DEG C of baking ovens, there is the i.e. [Zn (tibc) of golden yellow crystal generation2]n
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