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Information Seminar Paper

Title

PREPARATION OF SILVER NANOPARTICLE USING NEW SILVER (I) THIOCYANATE COORDINATION POLYMER

Author(s)

 ASEMANI ELAHE | MORSALI ALI

Pages

  -

Keywords

Not Registered.

Abstract

 IN RECENT YEARS, SILVER (I) COORDINATION POLYMERS HAVE RECEIVED MUCH ATTENTION BECAUSE SILVER (I) SHOWS A TENDENCY TO FORM COORDINATION POLYMERS WITH UNIQUE METAL-CARBON AND METAL-METAL INTERACTIONS [1]. SEVERAL METHODS CAN BE APPLIED TO SYNTHESIZE SILVER NANOPARTICLES WITH WELL-DEFINED SHAPES. CONTINUING OUR PREVIOUS WORK ON SILVER (I) COORDINATION POLYMERS [2,3] AND STUDIES ON THE RELATION BETWEEN THE SILVER (I) COORDINATION POLYMER DIMENSION AND THE DIMENSION OF THE RESULTING SILVER NANO-STRUCTURE, IN THIS PAPER WE DESCRIBE THE PREPARATION OF A NEW SILVER (I) COORDINATION POLYMER FROM SILVER (I) THIOCYANATE AND 4-BPDB LIGAND, [AG(4-BPDB)(SCN)]N (1), 4- BPDB = 1,4-BIS (4-PYRIDYL)-2,3-DIAZA-1,3-BUTADIEN AND ITS USE AS A PRECURSOR FOR THE PREPARATION OF SILVER NANOSTRUCTURES. REACTION BETWEEN THE ORGANIC NITROGEN DONOR-BASED LIGAND 4-BPDB AND SILVER (I) NITRATE PROVIDED A CRYSTALLINE MATERIAL WITH THE GENERAL FORMULA [AG(4-BPDB)(SCN)]N (1). THE IR SPECTRUM OF COMPOUND 1 SHOWS CHARACTERISTIC BAND OF THE THIOCYANATE ANION APPEARS AT 2120 CM-1. SINGLE X-RAY CRYSTAL ANALYSIS REVEALS THAT COMPOUND 1 CRYSTALLIZES IN THE MONOCLINIC SPACE GROUP P121C1 THAT CONSISTS OF TWO-DIMENSIONAL SHEETS OF [AG(4-BPDB)(SCN)]N (FIG. 1.A). THE THERMAL STABILITY OF COMPOUND 1 WAS STUDIED BY THERMAL GRAVIMETRIC (TG) AND DIFFERENTIAL THERMAL ANALYSES (DTA). ALSO, DIFFERENT NANO POWDERS AND NANOSTRUCTURES HAVE BEEN PREPARED VIA DIRECT CALCINATION OF COMPOUND 1 AT 300, 400, 500 AND 600 °C (FIG. 1.B). THE MORPHOLOGY, STRUCTURE AND SIZE OF THE FOUR SAMPLES PREPARED BY THE CALCINATION METHOD AT DIFFERENT TEMPERATURE WERE INVESTIGATED BY SCANNING ELECTRON MICROSCOPY (SEM) AND X-RAY POWDER DIFFRACTION (XRD). THIS STUDY DEMONSTRATES THAT COORDINATION POLYMERS MAY BE SUITABLE PRECURSORS FOR THE PREPARATION OF NANO SCALE MATERIALS.

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    APA: Copy

    ASEMANI, ELAHE, & MORSALI, ALI. (2014). PREPARATION OF SILVER NANOPARTICLE USING NEW SILVER (I) THIOCYANATE COORDINATION POLYMER. IRANIAN INORGANIC CHEMISTRY CONFERENCE. SID. https://sid.ir/paper/911926/en

    Vancouver: Copy

    ASEMANI ELAHE, MORSALI ALI. PREPARATION OF SILVER NANOPARTICLE USING NEW SILVER (I) THIOCYANATE COORDINATION POLYMER. 2014. Available from: https://sid.ir/paper/911926/en

    IEEE: Copy

    ELAHE ASEMANI, and ALI MORSALI, “PREPARATION OF SILVER NANOPARTICLE USING NEW SILVER (I) THIOCYANATE COORDINATION POLYMER,” presented at the IRANIAN INORGANIC CHEMISTRY CONFERENCE. 2014, [Online]. Available: https://sid.ir/paper/911926/en

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