D-AHP method with different credibility of information

Deng, Xinyang; Deng, Yong

doi:10.1007/s00500-017-2993-9

Cited by 116 publications

(58 citation statements)

References 49 publications

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“…Particularly, several studies have reported the quenching effect of CTAB on the PL of CdTe NCs and observed particle aggregation in the presence of CTAB [18,19]. Using micelles or amphiphilic compounds as coating materials, the best literature results report a reduction of the PL QY for CIS/ZnS NCs in the range of 30% to 50% after transfer to water [2,20,21]. However, our study reveals that water-soluble CIS/ZnS NCs coated with CTAB possess excellent physiochemical properties conserving PL and high colloidal stability.…”

Section: Introductionmentioning

confidence: 76%

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Bright, stable, and water-soluble CuInS2/ZnS nanocrystals passivated by cetyltrimethylammonium bromide

Lee¹,

Han²

2016

Nano Online

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Lee et al., 2015. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.We report a highly bright and stable aqueous dispersion of CuInS2/ZnS (CIS/ZnS) nanocrystals (NCs) using surfactant-assisted microemulsion and cold treatment.CIS/ZnS NCs were facilely synthesized via a stepwise, consecutive hybrid flow reactor approach. To stabilize the optical properties of hydrophobic CIS/ZnS NCs, cetyltrimethylammonium bromide (CTAB) was chosen as a matrix for aqueous phase transfer. As the result, a high quantum yield (QY) of 56.0% and excellent photostability were acquired in aqueous media. For removing excessive surfactants, cold treatment (4°C) of the CTAB-water solution was adopted to prevent further agglomeration of CIS/ZnS NCs, which could secure high stability over 6 months (less 2% reduction in QY). The optical features and structure of the obtained CTAB stabilized CIS/ZnS (CTAB-CIS/ZnS) NCs have been characterized by UV-vis and photoluminescence (PL) spectroscopies, XRD, XPS, EDX, and TEM. The high stability and PL of water soluble CTAB-CIS/ZnS NCs suggest their potential in nanoelectronics and bioapplications.

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Section: Introductionmentioning

confidence: 76%

“…CIS is an I-III-VI2 semiconductor with a direct band gap of 1.5 eV, corresponding to an 827 nm emission wavelength. In addition, this CIS NCs provides multicolor photoluminescence (PL) emission ranging from the visible to the NIR wavelengths (600 to 900 nm) [2].…”

Section: Introductionmentioning

confidence: 99%

Bright, stable, and water-soluble CuInS2/ZnS nanocrystals passivated by cetyltrimethylammonium bromide

Lee¹,

Han²

2016

Nano Online

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“…Many math tools, such as AHP [37][38][39][40], fuzzy sets [41][42][43], D numbers [44][45][46][47], evidential reasoning [30,[48][49][50][51], and rough sets [52], are adopted with wide applications. In this section, the main concepts about the Dempster-Shafer (D-S) evidence theory are reviewed.…”

Section: Dempster-shafer Theory Of Evidencementioning

confidence: 99%

Evidential Model Validation under Epistemic Uncertainty

Deng

2018

Mathematical Problems in Engineering

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This paper proposes evidence theory based methods to both quantify the epistemic uncertainty and validate computational model. Three types of epistemic uncertainty concerning input model data, that is, sparse points, intervals, and probability distributions with uncertain parameters, are considered. Through the proposed methods, the given data will be described as corresponding probability distributions for uncertainty propagation in the computational model, thus, for the model validation. The proposed evidential model validation method is inspired by the idea of Bayesian hypothesis testing and Bayes factor, which compares the model predictions with the observed experimental data so as to assess the predictive capability of the model and help the decision making of model acceptance. Developed by the idea of Bayes factor, the frame of discernment of Dempster-Shafer evidence theory is constituted and the basic probability assignment (BPA) is determined. Because the proposed validation method is evidence based, the robustness of the result can be guaranteed, and the most evidence-supported hypothesis about the model testing will be favored by the BPA. The validity of proposed methods is illustrated through a numerical example.

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“…D-S evidence theory [31,32,37] has many advantages in handling uncertain information and can be applied to many fields such as decision-making [38,39], risk assessment [40], reliability analysis [41], and so on. Firstly, D-S evidence theory allows probability masses to be assigned to not only singletons, but also multiple hypotheses, rather than only singleton subsets in comparison to the probability theory.…”

Section: Dempster-shafer Evidence Theorymentioning

confidence: 99%

A Novel Network Security Risk Assessment Approach by Combining Subjective and Objective Weights under Uncertainty

et al. 2018

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Nowadays, computer networks are playing a more and more important role in people's daily lives. Meanwhile, the security of computer networks has also attracted widespread concern. However, up to now, there is no universal and effective assessment approach for computer network security. Therefore, a novel network security risk assessment approach by combining subjective and objective weights under uncertainty is proposed. In the proposed evaluation approach, the uncertainty of evaluation data is taken into account, which is translated into objective weights through an uncertainty measure. By combining the subjective weights of evaluation criteria and the objective weights of evaluation data, the final weights can be obtained. Then, Dempster-Shafer (D-S) evidence theory and pignistic probability transformation (PPT) are employed to derive a consensus decision for the degree of the network security risk. Two illustrative examples are given to show the efficiency of the proposed approach. This approach of risk assessment, which combines subjective and objective weights, can not only effectively evaluate computer network security, but also be widely used in decision-making.

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D-AHP method with different credibility of information

Cited by 116 publications

References 49 publications

Bright, stable, and water-soluble CuInS2/ZnS nanocrystals passivated by cetyltrimethylammonium bromide

Bright, stable, and water-soluble CuInS2/ZnS nanocrystals passivated by cetyltrimethylammonium bromide

Evidential Model Validation under Epistemic Uncertainty

A Novel Network Security Risk Assessment Approach by Combining Subjective and Objective Weights under Uncertainty

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