FIBER OPTICS NEAR INFRARED SPECTROSCOPY FOR CHARACTERIZATION OF POLYMERIC NANO FIBERS

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KHANMOHAMMADI M.; YAZDANPANAH M.; MEHDINAVAZ AGHDAM R.; BAGHERI GARMAROUDI A.; SHABANI K.; HASANZADEH Z.

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Seminar: IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY
Year:2014 | Issue:20

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Title

FIBER OPTICS NEAR INFRARED SPECTROSCOPY FOR CHARACTERIZATION OF POLYMERIC NANO FIBERS

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Abstract

EVALUATING THE CAPABILITY OF ELECTRO SPINNING METHOD AS AN EFFICIENT VERSATILE APPROACH FOR FABRICATION OF NANOFIBERS [1], A CENTRAL COMPOSITE DESIGN (CCD) MODEL WAS USED TO DESIGN AN EXPERIMENTAL STRATEGY FOR INVESTIGATION OF EFFECTIVE FACTORS IN PRODUCTION OF POLY (VINYL ALCOHOL) (PVA) NANOFIBERS FABRICATED FROM AQUEOUS SOLUTIONS OF PVA. THE STUDIED VARIABLES WERE POLYMER SOLUTION CONCENTRATION, APPLIED VOLTAGE, DISTANCE BETWEEN NOZZLE AND COLLECTOR PLATE AND FLOW RATE OF SOLUTION INJECTION [2]. BEAD-FREE NANOFIBERS, WITH FIBER DIAMETER RANGING FROM211-645 NM WERE PRODUCED WITH DIFFERENT PROCESS PARAMETERS. THE INFLUENCE OF THESE PARAMETERS ON DIAMETER AND MORPHOLOGY OF OBTAINED PVA NANOFIBERS WAS STUDIED BY SEM ANALYSIS. AMONG ALL FACTORS, CONCENTRATION WOULD STRONGLY AFFECT THE NANOFIBER DIAMETER. ON-LINE CONTROL OF THE PROCESS IN FABRICATION OF POLYMERIC NANOFIBERS IS OF SEVERE INTEREST AND INFRARED SPECTROMETRIC FIBER OPTICS IS KNOWN AS A POWERFUL PROCESS ANALYZER FOR THE NONINVASIVE, ON-LINE AND REAL-TIME MONITORING.THUS, IN THE NEXT STEP, NONLINEAR PARTIAL LEAST SQUARES (N-PLS) TECHNIQUE WAS UTILIZED TO ESTIMATE THE AVERAGE DIAMETER OF NANOFIBERS BASED ON FIBER OPTIC NEAR-INFRARED SPECTRA. PERFORMING THE KENNARD-STONE (KS) ALGORITHM, THE MODEL WAS TRAINED AND BEING VALIDATED RESPECTIVELY. IT WAS OBSERVED THAT N-PLS USING THE KS ALGORITHM IS CAPABLE OF GENERALIZATION AND COULD CORRECTLY PREDICT THE AVERAGE DIAMETER OF NANOFIBER SAMPLES. IN THIS STUDY, 30 NANOFIBER SAMPLES WERE ANALYZED AND REASONABLE RESULTS WERE OBTAINED WITH HIGH ACCURACIES UP TO 99% AND 92% IN THE CALIBRATION AND VALIDATION SETS RESPECTIVELY.

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APA: Copy

KHANMOHAMMADI, M., YAZDANPANAH, M., MEHDINAVAZ AGHDAM, R., BAGHERI GARMAROUDI, A., SHABANI, K., & HASANZADEH, Z.. (2014). FIBER OPTICS NEAR INFRARED SPECTROSCOPY FOR CHARACTERIZATION OF POLYMERIC NANO FIBERS. IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. SID. https://sid.ir/paper/911011/en

Vancouver: Copy

KHANMOHAMMADI M., YAZDANPANAH M., MEHDINAVAZ AGHDAM R., BAGHERI GARMAROUDI A., SHABANI K., HASANZADEH Z.. FIBER OPTICS NEAR INFRARED SPECTROSCOPY FOR CHARACTERIZATION OF POLYMERIC NANO FIBERS. 2014. Available from: https://sid.ir/paper/911011/en

IEEE: Copy

M. KHANMOHAMMADI, M. YAZDANPANAH, R. MEHDINAVAZ AGHDAM, A. BAGHERI GARMAROUDI, K. SHABANI, and Z. HASANZADEH, “FIBER OPTICS NEAR INFRARED SPECTROSCOPY FOR CHARACTERIZATION OF POLYMERIC NANO FIBERS,” presented at the IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/911011/en

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