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Bernardi Alberta,Cantù Chiara Luisa,Cedrola Elena 한국마케팅과학회 2022 Journal of Global Fashion Marketing Vol.13 No.2
Sustainable innovation – the introduction of new products and processes that bring economic, social and environmental benefits – have a crucial role in the textile and fashion industry. However, current literature mainly focuses on new product development and the consequent environmental impacts. One of the main challenges for textile and fashion companies is how to be environmentally, socially and economically sustainable and innovative in the meantime. This paper is based on the Triple Bottom Line framework and attempts to address this gap by identifying some key success factors (KSFs) that could allow textile and fashion companies to develop product and process innovations, taking into account their social, environmental and economic outcomes. The research is based on a multiple-case study method and results show that textile and fashion companies can achieve a competitive advantage by being sustainable and innovative and when there are strong corporate values, cultural heritage and stable relationships with the territory. Besides extending the literature on sustainable, the paper highlights the main challenges and opportunities within this sector.
Bernardi, F.,Grass, M.E.,Hong, Y.P.,Chang, R.,Jabeen, N.,Zhang, C.,Eichhorn, B.W.,Seo, B.,Alayoglu, S.,Hussain, Z.,Joo, S.H.,Liu, Z. Elsevier Science Publishers 2016 CATALYSIS TODAY - Vol.260 No.-
<P>Rh0.5Pd0.5/CeO2 bimetallic nanoparticles were subjected to reducing and oxidizing atmospheres at different temperatures and characterized by means of the Ambient Pressure X-Ray Photoelectron Spectroscopy (AP-XPS). The surface atomic population is calculated for all cases. By using a high temperature pretreatment at 480 degrees C in H-2 atmosphere, it was possible to control the surface atomic population with Pd atoms frozen at the skin layer even in an oxidizing atmosphere, which is not observed without high temperature pre-treatment (Rh atoms at the skin layer). The change of the Rh/Pd surface segregation behavior after the high temperature pre-treatment is attributed to the geometrical factor of Strong Metal Support Interaction (SMSI) effect, i.e., the occurrence of the ceria capping layer around nanoparticles. (C) 2015 Elsevier B.V. All rights reserved.</P>
Solution processable PEDOT:PSS based hybrid electrodes for organic field effect transistors
Sanyoto, Bernardi,Kim, Soyeon,Park, Won-Tae,Xu, Yong,Kim, Jung-Hyun,Lim, Jong-Choo,Noh, Yong-Young Elsevier 2016 ORGANIC ELECTRONICS Vol.37 No.-
<P><B>Abstract</B></P> <P>We report high performance solution processed conductive inks used as contact electrodes for printed organic field effect transistors (OFETs). Poly(3,4-ethylenedioxythiophene): polystyrene sulfonate (PEDOT:PSS) electrodes show highly improved very low sheet resistance of 65.8 ± 6.5 Ω/square (Ω/□) by addition of dimethyl sulfoxide (DMSO) and post treatment with methanol (MeOH) solvent. Sheet resistance was further improved to 33.8 ± 8.6 Ω/□ by blending silver nanowire (AgNW) with DMSO doped PEDOT:PSS. Printed OFETs with state of the art diketopyrrolopyrrole-thieno[3,2-<I>b</I>]thiophene (DPPT-TT) semiconducting polymer were demonstrated with various solution processable conductive inks, including bare, MeOH treated PEDOT:PSS, single wall carbon nanotubes, and hybrid PEDOT:PSS-AgNW, as the source and drain (S/D) electrode by spray printing using a metal shadow mask. The highest field effect mobility, 0.49 ± 0.03 cm<SUP>2</SUP> V<SUP>−1</SUP> s<SUP>−1</SUP> for DPPT-TT OFETs, was obtained using blended AgNW with DMSO doped PEDOT:PSS S/D electrode.</P> <P><B>Highlights</B></P> <P> <UL> <LI> Various solution processed conductive inks are applied for electrode of OFETs. </LI> <LI> Sheet resistance of 33.8 Ω/sq is achieved by blend of AgNW and PEDOT:PSS. </LI> <LI> High performance OFETs are demonstrated with blend of AgNW and PEDOT:PSS. </LI> </UL> </P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>
Catalytic Depolymerization of Alkali Lignin Using Supported Pt Nanoparticle Catalysts
Sanyoto, Bernardi,Dwiatmoko, Adid Adep,Choi, Jae-Wook,Ha, Jeong-Myeong,Suh, Dong Jin,Kim, Chang Soo,Lim, Jong-Choo American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.5
<P>Alkali lignin, a byproduct of the pulping process, was depolymerized using Pt nanoparticle catalysts. A depolymerized lignin with a lower molecular weight was obtained and characterized with GPC and NMR. P-31-NMR using OH-sensitive probing molecules showed the formation of guaiacyl OHs during the reaction, indicating the cleavage of guaiacyl ether bonds.</P>
Sanyoto, Bernardi,Dwiatmoko, Adid Adep,Choi, Jae-Wook,Ha, Jeong-Myeong,Suh, Dong Jin,Kim, Chang Soo,Lim, Jong-Choo American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.5
<P>Aromatic hydrocarbons were produced from lignin, a complex natural amorphous polymer commonly regarded as by-product of the pulping process and from biofuel production. The catalytic decomposition of lignin using supported Pt catalysts was performed to produce small molecule hydrocarbons. Aromatic small-molecule hydrocarbon products were identified and quantified using GC/MS and GC-FID, which demonstrated that 27.6% of aromatic hydrocarbons were obtained from the activated carbon-supported Pt (Pt/AC) catalyst which had the highest Pt surface area.</P>
Experimental and numerical study of a modified ASTM C633 adhesion test for strongly-bonded coatings
Raphaëlle Bernardie,Reda Berkouch,Stéphane Valette,Joseph Absi,Pierre Lefort 대한기계학회 2017 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.31 No.7
When coatings are strongly bonded to their substrates it is often difficult to measure the adhesion values. The proposed method, which is suggested naming “silver print test”, consists in covering the central part of the samples with a thin layer of silver paint, before coating. The process used for testing this new method was the Air plasma spraying (APS), and the materials used were alumina coatings on C35 steel substrates, previously pre-oxidized in CO 2 . The silver painted area was composed of small grains that did not oxidize but that significantly sintered during the APS process. The silver layer reduced the surface where the coating was linked to the substrate, which allowed its debonding, using the classical adhesion test ASTM C633-13, while the direct use of this test (without silver painting) led to ruptures inside the glue used in this test. The numerical modelling, based on the finite element method with the ABAQUS software, provided results in good agreement with the experimental measurements. This concordance validated the used method and allowed accessing to the values of adherence when the experimental test ASTM C633-13 failed, because of ruptures in the glue. After standardization, the “silver print test” might be used for other kinds of deposition methods, such as PVD, CVD, PECVD.
Decoding the spectra of SDSS early-type galaxies: new indicators of age and recent star formation
Rogers, Ben,Ferreras, Ignacio,Lahav, Ofer,Bernardi, Mariangela,Kaviraj, Sugata,Yi, Sukyoung K. Blackwell Publishing Ltd 2007 MONTHLY NOTICES- ROYAL ASTRONOMICAL SOCIETY Vol.382 No.2
<P>ABSTRACT</P><P>We apply principal component analysis (PCA) to a sample of early-type galaxies from the Sloan Digital Sky Survey (SDSS) in order to infer differences in their star formation histories from their unresolved stellar populations. We select a <I>z</I> < 0.1 volume-limited sample comprising ∼7000 early-type galaxies from SDSS/Data Release 4. Out of the first few principal components (PC), we study four which give information about stellar populations and velocity dispersion. We construct two parameters (η and ζ) as linear combinations of PC1 and PC2. The four components can be presented as ‘optimal filters’ to explore in detail the properties of the underlying stellar populations. By comparing various photospectroscopic observables – including near-ultraviolet (NUV) photometry from Galaxy Evolution Explorer (GALEX) – we find ζ to be most sensitive to recent episodes of star formation, and η to be strongly dependent on the average age of the stellar populations. Both η and ζ also depend on metallicity. We apply these optimal filters to composite spectra assembled by Bernardi et al. The distribution of the η component of the composites appear to be indistinguishable between high- and low-density regions, whereas the distribution of ζ parameters have a significant skew towards lower values for galaxies in low-density regions. This result suggests that galaxies in lower density environments are less likely to present weak episodes of recent star formation. In contrast, a significant number of galaxies from our high-density subsample – which includes clusters (both outer regions and centres) and groups – underwent small but detectable recent star formation at high metallicity, in agreement with recent estimates targeting elliptical galaxies in Hickson Compact Groups and in the field.</P>