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Title

STUDY OF SILVER NANOPARTICLES PRODUCED BY 1064 NM PULSED LASER ABLATION IN NACL SOLUTION

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Abstract

 SILVER NANOPARTICLES WERE SYNTHESIZED USING PULSED LASER ABLATION OF AG METAL PLATE IN DISTILLED WATER AND NACL SOLUTION WITH CONCENTRATIONS OF 5, 10, 15 MM. PULSES OF A Q-SWITCHED ND: YAG LASER OF 1064 NM WAVELENGTHS AT 7 NS PULSE DURATION HAS BEEN EMPLOYED TO IRRADIATE THE SOLID TARGET IN DISTILLED WATER AND NACL SOLUTIONS. OUR NANOPARTICLES ARE SPHERICAL AND THE AGGREGATION AND NUMBER OF NANOPARTICLES IN DISTILLED WATER ARE MORE THAN NACL SOLUTIONS. THEREFORE, THE SIZE OF NANOPARTICLES IN NACL SOLUTIONS ARE SMALLER THAN THE ONES IN DISTILLED WATER, AND BY INCREASING THE CONCENTRATION OF NACL THE SIZE OF NANOPARTICLES IS INCREASED. FOR THE ANALYSIS OF THE ENERGY LEVELS OF SILVER NANOPARTICLES WE USED PHOTOLUMINESCENCE IN WHICH THE SAMPLES PEAKS ARE BETWEEN 426 NM TO 427 NM AND TO RECOGNIZE THE TYPE OF CHEMICAL BONDS, WE USED FTIR ANALYSIS ACCORDING TO WHICH THERE ARE FLEXURAL AND TENSILE O-H AND C=O BONDS.

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