Microscopy Morphology — A highly sensitive AgNPs/Ni3(HHTP)2 SERS substrate for the detection of food additives and pesticide residues

Measurement evidence

Microscopy Morphology

A highly sensitive AgNPs/Ni3(HHTP)2 SERS substrate for the detection of food additives and pesticide residues · Yuan Y., Zhou Z., Hao X. et al. · Physica Scripta · 2024 · 105604

4 measurement groups · 7 results

Reported values remain attached to the sample, method, conditions, extraction quality and source location that produced them.

EDX elemental mapping / SEM-EDS

rod-shaped Ni3(HHTP)2 film · Thin Film

EDX elemental map of Ni, O, and C in Ni3(HHTP)2.

Context
pristine Ni3(HHTP)2 conductive MOF
Measurement source
5 · Characterization · Figure 3(a)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
C atomic percentageC 59.01 at%Visual Estimate
Rounded Reported
5 · Characterization · Figure 3(a)
Ni atomic percentageNi 15.36 at%Visual Estimate
Rounded Reported
5 · Characterization · Figure 3(a)
O atomic percentageO 25.63 at%Visual Estimate
Rounded Reported
5 · Characterization · Figure 3(a)

SEM particle-size analysis

PVP-modified monolayer AgNP film · Thin Film

SEM morphology and statistical analysis of 100 randomly selected Ag nanoparticles.

Context
AgNP component before MOF composite assembly
Measurement source
6 · Characterization · Figure 4(a,b)
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
average AgNP diameter65.44 nm65.44 nmText
Rounded Reported
5 · Characterization · Figure 4(b)

SEM

AgNPs/Ni3(HHTP)2 SERS substrate on silicon wafer · Thin Film

SEM imaging of monolayer AgNP film and AgNPs/Ni3(HHTP)2 at different magnifications.

Context
AgNPs/Ni3(HHTP)2 composite
Measurement source
7 · Characterization · Figure 5
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
AgNP monolayer loading on Ni3(HHTP)2well-loaded with good contactQualitative
Qualitative
7 · Characterization · Figure 5(b-d)

field-emission SEM

rod-shaped Ni3(HHTP)2 film · Thin Film

ZEISS Sigma 300 SEM; top-down and side-view imaging.

Context
pristine Ni3(HHTP)2 conductive MOF
Measurement source
4 · Characterization · Figure 2
PropertyReported valueNormalised valueUncertaintyOrigin and qualitySource
Ni3(HHTP)2 rod diameter81.07 nm81.07 nmText
Rounded Reported
4 · Characterization · Figure 2
Ni3(HHTP)2 film thicknessapproximately 1.28 um1280 nmText
Approximate
4 · Characterization · Figure 2