单线态氧中光致发光量子子产率检测方案(光学测量仪)

System example with enhanced functions System example with enhanced functionsEvaluation of low quantum yield of 1% or less is possible. Shows its strength for measurements in the near-infrared region. UV-NIR absolute PL quantum yield spectrometer C13534-11，-12 Easily extend functions with newly designed options.Quantaurus-QY Plus easily measuresabsolute PL quantum yield， which isdifficult to measure usingconventional technology. Near-infraredup to 1650 nm Low quantum yieldof 1% or lower Upconversionemission material HAMAMATSUPHOTON ISS(OUR BUSINESS Quantaurus-QYPlus Quantaurus-QY Plus (UV-NIR absolute PL quantum yieldspectrometer C13534-11，-12) is designed to measure theinstantaneous absolute value of emission quantum yield usingthe photoluminescence method. Two types have been made available， C13534-11(300 nm to950 nm) and C13534-12 (400 nm to 1100 nm)， according to thewavelength region to be measured. Additionally， easily extended functions using newly designedoptions allows measurements to be made in the near-infraredup to 1650 nm， at high sensitivity (evaluation of low quantumyield)， and of upconverted emissions. Additional options allow high-sensitivity， near-infrared， and upconverted measurements! Specifications Type number C13534-11 C13534-12 PL measurement wavelength range 300 nm to 950 nm 400 nm to 1100 nm Monochromatic light source Light source 150 W xenon light source Excitation wavelength 250 nm to 850 nm 375 nm to 850 nm Bandwidth 10 nm or less (FWHM) Excitation wavelength control Automatic control Multichannel spectroscope Photo-detector BT-CCD linear image sensor Measurement wavelength range 200 nm to 950 nm 350 nm to 1100 nm Wavelength resolution <2 nm <2.5 nm Number of photosensitive device channels 1024 ch Device cooling temperature -15C AD resolution 16 bit Spectroscope optical arrangement Czerny-Turner type Integrating sphere Material Spectralon Size 3.3 inch Near-infrared Absolute PL quantum yield spectrometer with extended NIR sensitivity C13534-31，-32Absolute measurement of quantum yield over a broad wavelength range up to 1650 nm is possible. Specifications Type number C13534-31 C13534-32 PL measurement wavelength range 300 nm to 1650 nm 400 nm to 1650 nm Monochromatic light source Light source 150 W xenon light source Excitation wavelength 250 nm to 850 nm 375 nm to 850 nm Bandwidth 10 nm or less (FWHM) Excitation wavelength control Automatic control Multichannel spectroscope Photo-detector BT-CCD linear image sensor Measurement wavelength range 300 nm to 950 nm 400 nm to 1100 nm Wavelength resolution < 2 nm <2.5nm Number of photosensitive device channels 1024 ch Multichannel spectroscope for C13684-01 Photo-detector InGaAs linear image sensor Measurement wavelength range 900 nm to 1650 nm Wavelength resolution <9nm Number of photosensitive device channels 256 ch Integrating sphere Material Spectralon Size 3.3 inch High sensitivity Absolute PL quantum yield spectrometer with high sensitivity in UV-NIR C13534-33，-34 This system consists of the Quantaurus-QY Plus (C13534-11，-12) with the addition of supplementary units： an NIR PLmeasurement unit， a high power Xe lamp unit and a filter unit.With the apparatus used for measuring the absolute PL quantumyield in the past， it was often fundamentally difficult to evaluatelow quantum yield (for example， 1% or less). This system hasmade it possible to evaluate a low quantum yield of 1% or lessthrough the use of a high-output xenon lamp as an excitationsource. It is particularly effective in extending the measurementwavelength range to the near-infrared region. ① NIR PL measurement unit C13684-01A multichannel detector for measurement in the near-infrared (900 nm to1650 nm). Sensitivity calibration data is included. ② High power Xe lamp unit L13685-01 This excitation light source is used for evaluating low quantum yields withhigh sensitivity. Used in combination with the A13686 excitation filter. 3 Filter unit A13687-01 This bandpass filter is used in combination with the L13685-01 high-output xenonlamp unit. It can be selected in accordance with the excitation wavelength to be used. Absolute phosphorescence quantum yield of singlet molecular oxygen This is an example of the Photoluminescence quantum yield measurementof singlet oxygen using platinum (II) mesotetra (pentafluorophenyl) porphine(PtTFPP) solution as a sensitizer. We successfully expanded thewavelength region for the measurements to a 400 nm to 1650 nm rangeusing a combination of BT-CCD and InGaAs line sensors.As a result， we were able to simultaneously measure both the excitationlight profile (center wavelength： 525 nm) and the singlet oxygen emissionspectrum (peak wavelength： 1270 nm)， and obtained 0.022 as the absolutephotoluminescence quantum yield for singlet oxygen. (pentafluorophenyl)porphine (PtTFPP) ( Court e sy o f Prof.To b ita a nd P r o f .O k u t s u， G r ad u a t e Sc h ool of Science and T ec h n o logy， Gunm a U n iver sit y N . Ha sebe，K . S u zuki， H . Horiuchi， H . S uzuki， T . Y o shihara， T. Okutsu， and S. Tobita， Ana l . Chem . ，87 ， 2360(2015) ) ▲Fig.1 Excitation light profile and emission spectrum in the presence/absence of a chloroform solution of PtTFPP Specifications Type number C13534-33 C13534-34 PL measurement wavelength range 300 nm to 1650 nm 400 nm to 1650 nm Monochromatic light source Light source 150 W xenon light source Excitation wavelength 250 nm to 850 nm 375 nm to 850 nm Bandwidth 10 nm or less (FWHM) Excitation wavelength control Automatic control Excitation light source for high sensitivity Light source High power xenon light source(150 W) High power xenon light source(150 W) Radiant wavelength range ca.300 nm to 800 nm ca. 375 nm to 800 nm Excitation wavelenght Choise from 375 nm， 400 nm， 475 nm， 525 nm Bandwidth Approx. 50 nm Multichannel spectroscope for C13534-11/-12 Photo-detector BT-CCD linear image sensor Measurement wavelength range 300 nm to 950 nm 400 nm to 1100 nm Multichannel spectroscope for C13684-01 Photo-detector InGaAs linear image sensor Measurement wavelength range 900 nm to 1650 nm Integrating sphere Material Spectralon Size 3.3 inch Filter unit Filter type ND filter Upconversion Absolute PL quantum yield spectrometer for upconversion in UV-NIR C13534-35，-36Absolute quantum yield measurement of upconverted emission is possible. This system consists of the Quantaurus-QY Plus (C13534-11，-12)with the addition of supplementary units： an NIR PL measurementunit， an excitation laser unit and a filter unit. With upconvertedemission， the measurement of absolute quantum yield has alwaysbeen a problem due to low luminous efficiency or to the need for alaser as a light source for excitation. This system has made itpossible to measure the absolute quantum yield of the upconvertedemission by utilizing an excitation laser as the light source. 1 NIR PL measurement unit C13684-01 A multichannel detector for measurement in the near-infrared (900 nm to1650 nm). Sensitivity calibration data is included. 2 Excitation laser unit L13688-980This excitation light source (980 nm) is used for upconversion measurement.It includes an optical system for laser mount. 3 Filter unit A13687-02 This dimmer filter (980 nm) is used for upconversion measurement.Sensitivity calibration data is included. TTA S 1 TTET T T UC emission Direct Excitation So Donor Acceptor PF ▲ Fig.2 Absolute UC quantum yield ofD1-rubrene in PVA film as a function ofexcitation intensity(excited at 730 nm). rubrene D1

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