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GB/T 37664.1-2019 (GBT 37664.1-2019)

GB/T 37664.1-2019_English: PDF (GBT37664.1-2019)
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GB/T 37664.1-2019English494 Add to Cart Days<=3 Nanomanufacturing -- Key control characteristics -- Luminescent nanomaterials -- Part 1: Quantum efficiency GB/T 37664.1-2019 Valid GB/T 37664.1-2019
 

BASIC DATA
Standard ID GB/T 37664.1-2019 (GB/T37664.1-2019)
Description (Translated English) Nanomanufacturing - Key control characteristics - Luminescent nanomaterials - Part 1: Quantum efficiency
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G04
Classification of International Standard 71.040.50
Word Count Estimation 26,226
Date of Issue 2019-06-04
Date of Implementation 2019-06-04
Drafting Organization National Nanoscience Center, Beijing Zhongjiao Jinyuan Technology Co., Ltd., Beijing Institute of Technology, Tianmei (China) Scientific Instrument Co., Ltd., Beijing Beida Jubang Technology Co., Ltd., Najing Technology Co., Ltd., Xiamen Rare Earth Materials Research Institute, Suzhou Star Shuo Nano Technology Co., Ltd.
Administrative Organization National Nanotechnology Standardization Technical Committee (SAC/TC 279)
Regulation (derived from) National Standard Announcement No.7 of 2019
Proposing organization Chinese Academy of Sciences
Issuing agency(ies) State Administration of Markets and China National Standardization Administration

GB/T 37664.1-2019
Nanomanufacturing - Key control characteristics - Luminescent nanomaterials - Part 1.Quantum efficiency
ICS 71.040.50
G04
National Standards of People's Republic of China
Nano-manufacturing key control characteristics
Part 1.Quantum efficiency
(IEC 62607-3-1.2014, Nanomanufacturing-Keycontrolcharacteristics-
2019-06-04 released
2019-06-04 implementation
State Administration for Market Regulation
Issued by China National Standardization Administration
Table of contents
Preface Ⅲ
Introduction Ⅳ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Test notes 3
4.1 Overview 3
4.2 Environmental conditions 3
4.3 Brightening and photobleaching 3
4.4 Luminescence of pollutants when the excitation wavelength is less than 380nm 4
4.5 Industrial Hygiene 4
5 Measurement of relative quantum efficiency 4
5.1 Overview 4
5.2 Equipment 4
5.2.1 Equipment to be equipped 4
5.2.2 Instrument and equipment installation 4
5.3 Calibration 5
5.3.1 General 5
5.3.2 Preparation of calibration standard solution 6
5.3.3 Measurement of standard solutions for calibration 6
5.4 Experimental Step 7
5.4.1 Measurement of calibration standards 7
5.4.2 Measurement of luminescent nanoparticle samples 7
6 Measurement of absolute quantum efficiency 9
6.1 Overview 9
6.2 Test equipment 10
6.3 Calibration 11
6.4 Sample preparation 12
6.4.1 General 12
6.4.2 Liquid samples 12
6.4.3 Solid samples 12
6.5 Test Step 12
6.5.1 Collimated incident light method 12
6.5.2 Diffuse incident light method 15
7 Explanation of uncertainty 16
8 Test report 16
Appendix A (informative appendix) Avoid temperature quenching to achieve the best measurement conditions 18
A.1 Overview 18
A.2 Solution for temperature quenching 18
Reference 20
Figure 1 Example of calculation of absorption spectrum of cresol purple 6
Figure 2 Schematic diagram of the configuration of test equipment for collimated incident light method and diffuse reflected incident light method 10
Figure 3 Spectra of samples measured by collimated incident light method 14
Figure 4 Spectra of the sample measured by diffuse reflection incident light method 16
Figure A.1 Example of transient behavior of luminescent material (YAG.Ce) under pulse excitation 18
Figure A.2 Normalized quantum efficiency change with average excitation power and preferred input power range (shown by vertical lines) 19
Table 1 Examples of relative fluorescence measurement methods 5
Table 2 Several reference materials for relative quantum efficiency measurement 5
Table 3 Comparison of quantum efficiency data using Table 8
Table 4 Quantum efficiency data comparison table 9
Table 5 Comparison of methods for measuring absolute quantum efficiency of luminescent nanoparticles 9
Preface
The plan of GB/T 37664 "Nanomanufacturing Key Control Characteristics Luminescent Nanomaterials" is divided into the following parts.
---Part 1.Quantum efficiency;
---Part 2.The quality of quantum dot dispersion.
This part is Part 1 of GB/T 37664.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
The translation method used in this part is equivalent to IEC 62607-3-1.2014 "Nanomanufacturing Key Control Characteristics Part 3-1.Luminous Nano
Quantum efficiency of rice materials.
This section has made the following editorial changes.
---Change the standard name to "Nano-manufacturing key control characteristics of luminescent nanomaterials Part 1.Quantum efficiency".
This part was proposed by the Chinese Academy of Sciences.
This part is under the jurisdiction of the National Nanotechnology Standardization Technical Committee (SAC/TC279).
Drafting organizations of this section. National Nanoscience Center, Beijing Zhongjiao Jinyuan Technology Co., Ltd., Beijing Institute of Technology, Tianmei (China) Science
Instrument Co., Ltd., Beijing Beida Jubang Technology Co., Ltd., Nano Crystal Technology Co., Ltd., Xiamen Rare Earth Materials Research Institute, Suzhou Xingshuo Na
Mi Technology