GB/T 32669-2016 in English

VALID

Extinction spectra characterization of aggregate structure of gold nanorods

Issued on:2016-04-25
Implemented on:2016-11-01
File Format:PDF
Delivery:Within 1 day

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$210.00

Standard No:	GB/T 32669-2016
Document status:	VALID
Title in English:	Extinction spectra characterization of aggregate structure of gold nanorods
Title in Chinese:	金纳米棒聚集体结构的消光光谱表征
Language:	English
File Format:	Electronic (PDF)
Delivery:	Within 1 day
Issued on:	2016-04-25
Implemented on:	2016-11-01
Professional Classification:	GB-National Standard
Related Keywords:	gold nanorods gold nanorods introduction aggregate structure gold nanorod aggregates application gold nanorod
Related Topics:	gather Fluorescence spectral structure How to measure extinction spectrum Absorbance of gold nanoparticles spectral standard Gold Nano UV Spectroscopy light spectrum Spectrum digestion Extinction spectral coordinates spectral structure Spectrum sample Characteristic peaks of gold nanoparticles Spectral characterization What is extinction spectrum used for? Nano gold UV spectrum liquid characterization gold nanorods Material Extinction Spectrum mass extinction spectrum unit of spectrum spectral liquid What is the use of extinction spectrum spectrum table Nano gold UV spectrum Secretion spectrum Gold Nanorod UV Spectrum Nanogold luminescence How to measure the extinction spectrum Nano gold spectrum gold nanoparticles Nanogold luminescence Aggregates spectrum of each object Spectral characterization spectrum table Spectral collection method Gold Nanoparticle UV Spectroscopy What does photoluminescence spectroscopy represent? Peptide Structural Characterization liquid characterization Gold Nano UV Nano gold carrier a nanometer Nanoparticle Spectroscopy nanochromatography nano mass spectrometry Nanogold method Nanospectral analysis Gold nano-agglomeration UV Spectrum of Nanogold Nanogold enrichment spectral fluid Peptide Structural Characterization Spotlight Golden Autumn Spectral Spectral Features Optical rotator structure Gold Nanoparticle Spectroscopy Gold Nanoparticle Spectrum Nano gold colloid The structure of the spectrometer gold nanogold Characteristics of the spectrum spectrum structure Nano gold spectrum spectrum overall The composition of the spectrum Spectra and Gases spectral composition Polyspectral Optical rotator structure Spectroscopic Measurements of Nanomaterials nano-characterization and Extinction spectrometer new nanostructure Extinction spectrometer Nanospectrophotometry Gold nanofluorescence optical extinction spectrum UV structure characterization UV+ Structural Characterization Spectrum machine structure Carrier gold nanoparticles Powder Extinction Spectrum gold nano Infrared Spectrum of Nanogold multispectral gas The structure of trapping hydrazine Nano gold infrared spectrum Characterization of Gold Nanomaterials transient extinction spectrum characteristic spectrum spectrum Spectral system gold nanostructure spectrum stick spectral collector Degree of polymerization characterization in the integrated spectrum Product spectrum set Spectral flow nano flow Gold Nano UV local consumption Gold Nanomaterials Spectra Gold Nanomaterials + Spectroscopy Standard spectrum table Gold Nanoparticle Spectroscopy Polyspectral nanocluster mass spectrometry staff Spectral collection method spectral structure nanosheet structure Nanostructured Gold Foam nano mass spectrometry Fluorescence spectroscopic determination of structure How many nanometers is the spectrometer Same spectral structure spectral a peak nanotube spectroscopy spectral representation Spectral Collection 240 Optical structure GBT32669 GB/T 32669-2016 SIM-S structured light Energy spectrometer nanostructure Micro-nano three-dimensional structure characterization methods Methods for structural characterization of antibodies Optical structural parts black matte Micro-nano material structure characterization methods Methods to eliminate secondary spectra

《GB/T 32669-2016金纳米棒聚集体结构的消光光谱表征》由TC279（全国纳米技术标准化技术委员会）归口，主管部门为中国科学院。

Introduction

1. Scope of the standard and normative references

This standard specifies a method for characterizing the structure of gold nanorod aggregates based on extinction spectroscopy, which is applicable to the characterization of gold nanorods and other precious metal nanoaggregates. The main references include GB/T13966, GB/T19619 and GB/T24369.1-2009.

2. Background of standard formulation

Due to their unique optical properties, gold nanorods have important application value in the fields of biological detection and imaging. However, there is no unified standard for the influence of their aggregate structure on the surface plasmon resonance characteristics. This standard is based on extinction spectroscopy and fills the gap in related fields at home and abroad.

3. Comparison of standard frameworks

Dimensions	This standard	International standard	Industry standard
Scope of application	Gold nanorod aggregates	Noble metal nanomaterials	Other nanostructures
Core methods	Extinction spectroscopy	Scattering and imaging technology	Combination of multiple characterization methods
Parameter calculation	Agglomeration parameter AI	Particle size distribution analysis	Dispersion evaluation

4. Analysis of technology evolution

From spherical gold particles to rod-shaped nanostructures, the study of surface plasmon resonance characteristics has undergone a transition from simple size effects to complex arrangements. This standard achieves quantitative evaluation of aggregate structures based on the extinction spectrum characteristics of EE and SS assemblies.

5. Implementation recommendations

Case analysis: EE and SS assembly characterization

EE and SS assemblies of gold nanorods were tested by UV/visible/near-infrared extinction spectroscopy. The experimental results show that the long-wavelength plasmon resonance peak is red-shifted in the EE mode, while it is blue-shifted in the SS mode. This shows that the arrangement of aggregates has a significant effect on the optical properties.

Specific implementation suggestions include:

Ensure instrument calibration (e.g. Cary UV/Vis spectrophotometer)
Control sample concentration to maintain extinction between 0.2 and 0.9
Perform multiple measurements and average to reduce error

More samples: NB/T 47013.2-2015 GB 18306-2015 DL/T 5154-2012

Sample only — not a preview of GB/T 32669-2016

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