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GB/T 24369.2-2018 English PDF

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GB/T 24369.2-2018: Characterization of gold nanorods -- Part 2: Measurement methods for optical properties
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Basic data

Standard ID GB/T 24369.2-2018 (GB/T24369.2-2018)
Description (Translated English) Characterization of gold nanorods -- Part 2: Measurement methods for optical properties
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard A40
Classification of International Standard 17.180
Word Count Estimation 22,221
Date of Issue 2018-03-15
Date of Implementation 2018-10-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 24369.2-2018: Characterization of gold nanorods -- Part 2: Measurement methods for optical properties


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Characterization of gold nanorods--Part 2. Measurement methods for optical properties ICS 17.180 A40 National Standards of People's Republic of China Gold nanorod characterization Part 2. Measurement of optical properties Part 2. Measurementmethodsforopticalproperties Published by.2018-03-15 2018-10-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration released Directory Preface I Introduction II 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1

4 The main optical properties of gold nanorods and their molecular complexes

5 Instruments and Accessories 3 6 Sample 3 7 Measurement Conditions and Step 3 8 Gold nanorod dielectric sensitivity, fluorescence quantum yield, and SERS enhancement factor calculation 4 9 Measurement Results and Analysis 5 10 Test Report 5 Appendix A (informative annex) Example of dielectric sensitivity characterization of gold nanorods 6 Appendix B (Informative Appendix) Quantum quantum yield measurement of single photon in gold nanorods 9 Appendix C (Informative Appendix) Calculation Example of Gold Nanorods SERS Enhancement Factor 11 Appendix D (Informative) Uncertainty Analysis of Test Results 14 Appendix E (Informative Appendix) Gold Nanorod Dielectric Sensitivity Test Report Format 16 Appendix F (informative) Gold nanorod fluorescence quantum yield test report format 17 Appendix G (informative) Gold nanorod SERS enhancement factor test report format 18 Reference 19

Foreword

GB/T 24369 "Gold nanorod characterization" is divided into the following three parts. --- Part 1. UV/Vis/NIR absorption spectroscopy; --- Part 2. Measurement methods for optical properties; --- Part 3. Surface charge density measurement methods. This part is part 2 of GB/T 24369. This section was drafted in accordance with the rules given in GB/T 1.1-2009. This section was proposed by the Chinese Academy of Sciences. This section is under the jurisdiction of the National Nanotechnology Standardization Technical Committee (SAC/TC279). This section was drafted by. National Center for Nanoscience. The main drafters of this section. Wu Xiaochun, Ji Yinglu, Hu Zhijian, Chen Jiaqi, Guo Yuting.

Introduction

Gold nanorods are rod-shaped gold nanoparticles, which have potential in biomedical, energy and information fields because of their excellent optical and electrical properties. Application prospects. Among them, the enhanced optical properties of the gold nanorod local electromagnetic field, such as. local surface plasmon resonance absorption/scattering, two-photon (multiphoton) fluorescence, surface-enhanced Raman scattering, surface-enhanced fluorescence, photothermal and photoacoustic conversion, and plasmon photocatalysis are expected to be Field detection, biological imaging, disease diagnosis and treatment are widely used. This section gives the main optical properties of gold nanorods Characterization methods and stipulations of surface plasmon dielectric sensitivity, single photon excitation relative fluorescence quantum yield and enhanced surface-enhanced Raman scattering Factor measurement method. Gold nanorod characterization Part 2. Measurement of optical properties

1 Scope

This part of GB/T 24369 specifies the characterization of the main optical properties of gold nanorods. This section applies to surface plasmon resonance peak dielectric sensitivity, relative fluorescence quantum yield, and surface-enhanced Raman scattering enhancement factor The calculation. The properties of other precious metal nanostructures can also be referred to for implementation.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 24369.1-2009 Characterization of gold nanorods. Part 1. Ultraviolet/visible/near-infrared absorption spectroscopy methods GB/T 32006-2015 Evaluation method of photothermal effect of gold nanorods GB/T 32269-2015 Terms and Definitions for nanotechnology nanoobjects Nanoparticles, nanofibers and nanosheets IEC 62607-3-1 Control of critical properties in the nano-industrial sector. Part 3-1. Quantum yields of luminescent nanomaterials (Nanomanufac- turing-Keycontrolcharacteristics-Part 3-1.Luminescentnanomaterials-Quantumefficiency)

3 Terms and definitions

The following terms and definitions defined in GB/T 32006-2015, GB/T 32269-2015, and IEC 62607-3-1 apply to this document. For ease of use, the following repeatedly lists one of GB/T 32006-2015, GB/T 32269-2015 and IEC 62607-3-1 Terms and definitions. 3.1 Nanorod nanoord Solid nanofibers. [GB/T 32269-2015, definition 4.5] 3.2 Surface plasmon resonance surfaceplasmonresonance; SPR When light is incident on the surface of a metal nanostructure or a dielectric material, the resulting collective of free electrons and photons on the surface of the metal oscillation. [GB/T 32006-2015, definition 3.3] 3.3 Long-wave surface plasmon resonance longitudinalSPR; LSPR Surface plasmon resonance along the long axis of the rod-shaped particles. 3.4 Dielectric sensitivity The change of the surface plasmon resonance peak caused by the dielectric constant, expressed as the peak shift caused by the change of unit refractive index (nm·RIU-1)[1,2].

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