2023
DOI: 10.1016/j.snb.2023.133888
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Efficient multiplexed label-free detection by flexible MXene/graphene oxide fibers with enhanced charge transfer and hot spots effect

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Cited by 33 publications
(7 citation statements)
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“…Moreover, under the radiation of 532 nm excited light, maximum electric field intensities of ZnO-DS, ZnO-SS, and ZnO-NR are 5.54, 3.19, and 1.47 V/m, respectively. The SERS intensity contributed by Mie resonance is approximately proportional to the fourth power of the electric field intensity; therefore, EF obtained from the experiment (EF exp ) and EF obtained from Mie contribution (EF Mie = | E max / E 0 |)­were compared (Figure g and Table S1). From Figure g, the value variation trend of EF exp is the same as EF Mie , where ZnO-DS is much greater than those of both ZnO-SS and ZnO-NR.…”
Section: Resultsmentioning
confidence: 99%
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“…Moreover, under the radiation of 532 nm excited light, maximum electric field intensities of ZnO-DS, ZnO-SS, and ZnO-NR are 5.54, 3.19, and 1.47 V/m, respectively. The SERS intensity contributed by Mie resonance is approximately proportional to the fourth power of the electric field intensity; therefore, EF obtained from the experiment (EF exp ) and EF obtained from Mie contribution (EF Mie = | E max / E 0 |)­were compared (Figure g and Table S1). From Figure g, the value variation trend of EF exp is the same as EF Mie , where ZnO-DS is much greater than those of both ZnO-SS and ZnO-NR.…”
Section: Resultsmentioning
confidence: 99%
“…As a fast, accurate, and nondestructive spectral analysis technology, surface-enhanced Raman scattering (SERS) can accurately identify molecules at low nanomolar concentrations in a very short time (1 s–1 min) . The technology has been widely used in environmental protection, biomedicine, food safety, and other fields. Since noble metals can provide ultrahigh electromagnetic field strength for SERS, they are currently the most used SERS substrate materials. Unfortunately, they are rare and expensive and therefore it is difficult to meet the growing demand for detection of analytes, especially for single molecules in a complex environment. , Thanks to the merits of semiconductors, such as economy, stability, tunable optoelectronic properties, and good biocompatibility, they have injected new vitality into traditional SERS substrates, such as selective detection of target substances, in situ checking of the reaction process in organisms, and virus detection .…”
Section: Introductionmentioning
confidence: 99%
“…The successful separation of excited charges for the ultimate redox reaction ensures enhanced photocatalytic activities. 100–102 In a single photocatalyst, the generation and separation of excited charges is very simple, where the CB possesses a high electronic density, whereas the VB is less dense in terms of electronic density. In this type of photocatalyst, the probability of the recombination of the excited electrons and holes is very high, and therefore, the rate of photocatalysis is slow and sluggish.…”
Section: Charge Transfer Mechanismsmentioning
confidence: 99%
“…Consequently, several researchers have utilized metals, metal oxides, rare-earth elements, acids, organic compounds, etc. as additives in carbonaceous precursors for studying structure modification. ,,, However, these additives are expensive and hazardous and leave impurities in the product that are extremely difficult to eliminate. Furthermore, the structure modification of the obtained carbons in these studies remains questionable owing to impurities interfering in material characterization.…”
Section: Introductionmentioning
confidence: 99%