1、 IEC 62607-3-1 Edition 1.0 2014-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Nanomanufacturing Key control characteristics Part 3-1: Luminescent nanomaterials Quantum efficiency Nanofabrication Caractristiques de contrle cl Partie 3-1: Nanomatriaux luminescents Rendement quantique IEC 62607-3-1:20
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19、nts - webstore.iec.ch/csc Si vous dsirez nous donner des commentaires sur cette publication ou si vous avez des questions contactez-nous: csciec.ch. IEC 62607-3-1 Edition 1.0 2014-05 INTERNATIONAL STANDARD NORME INTERNATIONALE Nanomanufacturing Key control characteristics Part 3-1: Luminescent nanom
20、aterials Quantum efficiency Nanofabrication Caractristiques de contrle cl Partie 3-1: Nanomatriaux luminescents Rendement quantique INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE V ICS 07.030 PRICE CODE CODE PRIX ISBN 978-2-8322-1605-7 Registered trademark of th
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22、de 2 IEC 62607-3-1:2014 IEC 2014 CONTENTS FOREWORD . 4 INTRODUCTION . 6 1 Scope 7 2 Normative references 7 3 Terms and definitions 7 4 General notes on tests 10 4.1 General 10 4.2 Ambient onditions 10 4.3 Photobrightening and photobleaching 10 4.4 Luminescence from contaminants at Illumination wavel
23、engths 380 nm 10 4.5 Industrial hygiene 11 5 Measurement of relative quantum efficiency of nanomaterials . 11 5.1 General 11 5.2 Test equipment 11 Required supplies and test equipment 11 5.2.1Test equipment setup . 12 5.2.2 5.3 Calibration . 12 General 12 5.3.1Calibration standard preparation 13 5.3
24、.2Calibration standard test measurements 13 5.3.3 5.4 Experimental procedure . 14 Calibration standard experimental measurements 14 5.4.1Luminescent nanoparticle sample Experimental 5.4.2 measurements 15 6 Measurement of absolute quantum efficiency of nanomaterials 17 6.1 General 17 6.2 Test equipme
25、nt 18 6.3 Calibration . 20 6.4 Sample preparation 20 General 20 6.4.1Liquid samples . 20 6.4.2Solid state samples 21 6.4.3 6.5 Test procedure . 21 Collimated incident light method . 21 6.5.1Diffuse incident light method . 24 6.5.2 7 Uncertainty statement 27 8 Test report . 27 (informative) Temperatu
26、re quenching of quantum efficiency, light modulation Annex A considerations for avoiding sample heating, and achieving the best measurement conditions . 28 A.1 Overview 28 A.2 Addressing TQE . 28 Bibliography 30 Figure 1 Sample absorbance spectrum of cresyl violet example calculations . 14 IEC 62607
27、-3-1:2014 IEC 2014 3 Figure 2 Schematic of the test equipment configuration for both the collimated incident light and diffuse incident light methods 18 Figure 3 Sample spectrum for collimated incident light method 23 Figure 4 Sample spectra for the diffuse incident light method. 26 Figure A.1 Examp
28、le of transient behaviour of luminescent material (YAG:Ce) under pulsed excitation . 28 Figure A.2 Schematic diagram of variation of normalised QE with average excitation power and the preferred range of input power (indicated by vertical lines) 29 Table 1 Example fluorescence methods for relative m
29、easurements 12 Table 2 Suggested calibration standards for relative quantum efficiency measurements of luminescent nanoparticle solutions 13 Table 3 Spreadsheet format for quantum efficiency data comparisons . 16 Table 4 Spreadsheet format for quantum efficiency data comparisons . 17 Table 5 Compari
30、son of methods for measuring the absolute quantum efficiency of luminescent nanoparticles. 18 4 IEC 62607-3-1:2014 IEC 2014 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ NANOMANUFACTURING KEY CONTROL CHARACTERISTICS Part 3-1: Luminescent nanomaterials Quantum efficiency FOREWORD 1) The International E
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41、of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 62607-3-1 has been prepared by IEC technical committee 113: Nanotechnology standardization for electrical and electronic products a
42、nd systems. The text of this standard is based on the following documents: FDIS Report on voting 113/214/FDIS 113/219/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordanc
43、e with the ISO/IEC Directives, Part 2. IEC 62607-3-1:2014 IEC 2014 5 A list of all parts of the IEC 625607 series, published under the general title Nanomanufacturing Key control characteristics, can be found on the IEC website. The committee has decided that the contents of this publication will re
44、main unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. IMPORTANT The colour inside logo on the cover
45、page of this publication indicates that it contains colours which are considered to be useful for the correct understanding of its contents. Users should therefore print this document using a colour printer. 6 IEC 62607-3-1:2014 IEC 2014 INTRODUCTION One of the principal drivers of solid-state light
46、ing (SSL) is the potential efficiency of the illumination devices to convert electricity into light. Incandescent and fluorescent lighting devices are only about 5 % to 30 % efficient, with incandescent lighting having the lowest efficiency. Since a significant portion of all electricity consumed is
47、 used in providing lighting, increasing the efficiency of lighting devices will have a huge impact on the worlds energy consumption. The luminous efficiency of SSL devices is a critical measurement of their overall efficiency, and standard methods to perform these measurements have been established
48、and were essential to producing reliable product information for manufacturers and consumers. The same is true of the luminescent materials on which these light-emitting diode (LED) manufacturers rely; however, no such standard currently exists. This standard provides SSL manufacturers a universal m
49、eans for comparing luminescent nanomaterials from different suppliers, and potentially for luminescent materials for LEDs in general. The most common SSL devices are composed of a blue light-emitting diode (LED) and a luminescent material. The blue LED optically excites the luminophore, which will radiate light of the appropriate colour or colours to yield the desired white spectrum. This d
