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Enhanced Raman Scattering on Functionalized Graphene Substrates

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Václav Valeš, Petr Kovaříček, Michaela Fridrichová, Xiang Ji, Xi Ling, Jing Kong, Mildred S. Dresselhaus, Martin Kalbáč

Materials Science · Submitted 26 Jul 2021

abstract compiled · 2026-09-23 · no language-model review

The authors' main claim The relative enhancement of the Raman signal is demonstrated to be dependent on the functional groups, which was rationalized by the different doping levels of pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates.

how it is stated · asserted 1.00 read the record →

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arXiv ID2107.12107 (version 1)
Pith IDTHPRGCUG, Pith's permanent record of this paper and its review
CitationJing Kong, Martin Kalb\'a\v{c}, Michaela Fridrichov\'a, Mildred S. Dresselhaus, Petr Kova\v{r}\'i\v{c}ek, V\'aclav Vale\v{s}, Xiang Ji, Xi Ling. "Enhanced Raman Scattering on Functionalized Graphene Substrates." arXiv:2107.12107 (2021). https://pith.science/paper/THPRGCUG
Claim paper

The compiled record

The paper's own sentences, arranged. Each label is drawn from a closed vocabulary; the number beside it is the probability the classifier gave that label. Numbers in the tables are the authors', checked by code. No sentence in this record was written by a model.

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Compiled by classifier-1.13.0 via TypeSafe API, question bank abstract-p1-20260923, 2026-09-23: 1 request, 4,935 input tokens.

What the abstract itself states, as probabilities: claims first 0.82 · states limitation 0.16 · human participants 0.02 · controlled comparison 0.79 · randomized assignment 0.02 · states quantitative result 0.06 · compares with prior results 0.38 · mentions code or data availability 0.02.

The abstract, sentence by sentence

arXiv listing abstract v1. Results and the main claim are underlined; .

The graphene-enhanced Raman scattering of Rhodamine 6G molecules on pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates was studied. The uniformity of the Raman signal enhancement was studied by making large Raman maps. The relative enhancement of the Raman signal is demonstrated to be dependent on the functional groups, which was rationalized by the different doping levels of pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates. The impact of the Fermi energy of graphene and the phonon energy of the molecules was considered together for the first time in order to explain the enhancement. Such approach enables to understand the enhancement without assuming anything about the uniformity of the molecules on the graphene surface. The agreement between the theory and our measured data was further demonstrated by varying excitation energy.

background contribution method result interpretation main claim

What the classifier reports for each sentence. The number is the probability it gave the label.
#sentencerolethe authors' own workstates the main conclusionstrength
s0 The graphene-enhanced Raman scattering of Rhodamine 6G molecules on pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates was studied. contribution 0.95 0.93 0.06 asserted 0.94
s1 The uniformity of the Raman signal enhancement was studied by making large Raman maps. method 0.97 0.94 0.04 asserted 0.81
s2 The relative enhancement of the Raman signal is demonstrated to be dependent on the functional groups, which was rationalized by the different doping levels of pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates. result 0.81 0.93 0.59 asserted 1.00
s3 The impact of the Fermi energy of graphene and the phonon energy of the molecules was considered together for the first time in order to explain the enhancement. contribution 0.88 0.81 0.17 asserted 0.99
s4 Such approach enables to understand the enhancement without assuming anything about the uniformity of the molecules on the graphene surface. interpretation 0.63 0.74 0.14 asserted 0.89
s5 The agreement between the theory and our measured data was further demonstrated by varying excitation energy. result 0.93 0.94 0.13 asserted 1.00

What kind of paper the classifier reports this is: empirical study 1.00 · evidence from observation or experiment 1.00.

What was examined, and what was not

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not examined
  • full text
  • figures and tables
  • references and citing sentences
  • relations to other papers
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  • P abstract
not run
  • S sections
  • T body sentences
  • C citations
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Every quoted sentence on this record is the authors'. Every label is from Pith's closed vocabulary, with the probability shown beside it. Every number in the measurements table is the authors', checked by code. Record as JSON

The paper
Original abstract

The graphene-enhanced Raman scattering of Rhodamine 6G molecules on pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates was studied. The uniformity of the Raman signal enhancement was studied by making large Raman maps. The relative enhancement of the Raman signal is demonstrated to be dependent on the functional groups, which was rationalized by the different doping levels of pristine, fluorinated and 4-nitrophenyl functionalized graphene substrates. The impact of the Fermi energy of graphene and the phonon energy of the molecules was considered together for the first time in order to explain the enhancement. Such approach enables to understand the enhancement without assuming anything about the uniformity of the molecules on the graphene surface. The agreement between the theory and our measured data was further demonstrated by varying excitation energy.

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