EuIIIfunctionalized InMOF InOHbpydc as fluorescent probe formmc1Word格式文档下载.docx

EuIIIfunctionalized InMOF InOHbpydc as fluorescent probe formmc1Word格式文档下载.docx

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Table.S1LoadinglevelofEu3+cations

Compounds

In3+/Eu3+

In-MOF-Eu

1:

0.188

FigureS5（a）Theexcitation（purple）andemissionspectra（pink）ofIn-MOF;

（b）theCIEchromaticitydiagramofIn-MOFexcitedat393nmandtheinsetisthephotoluminescencecolorwith390nmUVexcitationsusingaXelampastheexcitationsource（X=0.24,Y=0.35）

FigureS6Day-to-dayfluorescencestabilityofIn-MOF-Euafterimmersinginaqueoussolutionforseveraldaysandtheinsetisthecorrespondingrelativeintensityatλem=615nm.

FigureS7XRDpatternsofIn-MOF-Euafterimmersingindifferentorganicsolvents.

FigureS8CIEchromaticitydiagramofIn-MOF-Euafterimmersingindifferentorganicsolvents.

Table.S2CoordinateofCIEchromaticitydiagram

Organic 

molecule 

solvents

x

y

CHCl3

0.1897

0.2218

1,2-dichloroethane

0.2194

0.245

H2O

0.269

0.2397

CH3CN

0.2475

0.2653

THF

0.2119

0.2266

Acetone

0.2226

0.2316

Pyridine

0.2366

0.2541

CH2OHCH2OH

0.2608

0.2631

Ethanol

0.2484

0.2419

DMF

0.3065

0.2999

FigureS9LuminescenceintensityofIn-MOF-Euinseveralsimilarhalogenatedcompounds.

FigureS10（a）Luminescenceintensityoftheligand-centralemissionofIn-MOF-EuinthepresenceofvariousratiosofIn-MOF-Euandchloroformunderexcitationat360nm,（b）relatedhistogramofratiosofI（490nm）/I（615nm）andtheinsertedlinechartwithratiovalues.

FigureS11Thereversiblechangesofemissionintensityratioofligand-centralemission（490nm）toEu3+（615nm）ofIn-MOF-Euafterfiverecycles.（λex=360nm）;

FigureS12（a）Oneofhydrogen-bondtypesbetweenbipyridineandchloroform;

（b）UV−visabsorptionspectraofsuspendedIn-MOF-Eu（black）inethanol,andIn-MOF-Eu（red）inchloroform/ethanolsolution（ethanolasreferencesolvent）.

FigureS13PXRDpatternsoftheIn-MOF-Euafterimmersingindifferentaqueoussolutionwithvariousanions.

Table.S3ResponseofluminescencelifetimeofIn-MOF-Eutowardaqueoussolutionsofvariousmetalions

metalions

τ（μs）

NO3-

68.62

Cl-

56.81

SO42-

45.86

Br-

47.83

I-

36.08

F-

27.54

CrO42-

20.91

Cr2O72-

9.23

MnO4-

undetectable

FigureS14（a）LuminescenceintensityofIn-MOF-EuupontheadditionofMnO4-（0.5mM,1mL）inthepresenceofabackgroundofanions（0.5mM）inaqueoussolutionand（b）luminescenceintensityofthe5D0−7F2ofIn-MOF-Eu（λex=360nm;

λem=616nm）.

FigureS15LuminescenceintensityoftheIn-MOF-EudispersedintoaqueoussolutionofMnO4-（red）andCr2O72-（orange）withdifferentconcentration（0-1.0mmol/L）atλex=360nm,insetistheenlargededitionwithratioofIMnO4-/ICr2O72-.

CalculationS1

LinearEquation:

Y=2.07×

105X–3.9033R=0.9919

K=2.07×

105μM-1;

=10.14（N=20）

LOD=3Sb/K=1.47×

10-4μM.

Kistheslopeofthecalibrationcurve;

Sbisthestandarddeviationforreplicatingdetectionsofblanksolutions;

nisthefluorescenceintensityofIn-MOF-Euinwater;

n0istheaverageofthen.

FigureS16UV−visabsorptionofIn-MOF-EuandMnO4-anions.

TableS4DetectionofMnO4-byIn-MOF-Euinnaturalsamplesbythestandardadditionmethod

Watersamples

AddedconcentrationofMnO4-（mM）

DetectedconcentrationofMnO4-a（mM）

RSDb（%）

Pondwater1

5

50

5.21±

0.13

50.78±

1.33

2.50

2.62

Pondwater2

5.07±

0.09

50.36±

1.27

1.78

2.52

aTheresultisexpressedasthemeanoffourmeasurements±

standarddeviation（SD）.

bTherelativestandarddeviation（RSD）isdefinedas（SD/mean）×

100%