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Electrocatalytic hydrogen production by bulk and nano Fe2O3 and carbon nanotube modified with Fe2O3

04-Jan-2015 | Author(s): Abolfazl Akhtar , Ali Ghaffarinejad , S.M.R. Milani Hosseini , Faranak Manteghi , Nafiseh Maminejad, Journal of Electroanalytical Chemistry, 2015

Publication date: 15 February 2015 Source:Journal of Electroanalytical Chemistry, Volume 739 Author(s): Abolfazl Akhtar , Ali Ghaffarinejad , S.M.R. Milani Hosseini , Faranak Manteghi , Nafiseh Maminejad Industrial iron sludge was used for the production of bulk Fe2O3, Fe2O3 ...


Intriguing cysteine induced improvement of the emissive property of carbon dots with sensing applications

30-Dec-2014 | Jayasmita Jana; Mainak Ganguly; Tarasankar Pal, Physical Chemistry Chemical Physics, 2014

A simple fluorometric technique has been adopted for cysteine (Cys) sensing in alkaline medium down to the nM level. The huge fluorescent signal of the solution is a consequence of fluorescent carbon dots (CDs) produced in situ from modified hydrothermal (MHT) reaction between Cys and dopamine ...


Materials, Vol. 8, Pages 117-136: The Bi-Directional Prediction of Carbon Fiber Production Using a Combination of Improved Particle Swarm Optimization and Support Vector Machine

30-Dec-2014 | Xiao, Chuncai ; Hao, Kuangrong ; Ding, Yongsheng, Materials, 2014

This paper creates a bi-directional prediction model to predict the performance of carbon fiber and the productive parameters based on a support vector machine (SVM) and improved particle swarm optimization (IPSO) algorithm (SVM-IPSO). In the SVM, it is crucial to select the parameters that have ...


A Label-Free Fluorescence Sensing Approach for Selective and Sensitive Detection of 2,4,6-Trinitrophenol (TNP) in Aqueous Solution Using Graphitic Carbon Nitride Nanosheets

30-Dec-2014 | Mingcong Rong; Liping Lin; Xinhong Song; Tingting Zhao; Yunxin Zhong; Jiawei Yan; Yiru Wang; Xi Chen, Analytical Chemistry, 2014

An effective and facile fluorescence sensing approach for the determination of 2,4,6-trinitrophenol (TNP) using the chemically oxidized and liquid exfoliated graphitic carbon nitride (g-C3N4) nanosheets was developed. The strong inner filter effect and molecular interactions (electrostatic, π–π, ...


Mechanically and Thermally Enhanced Multiwalled Carbon Nanotube–Graphene Hybrid filled Thermoplastic Polyurethane Nanocomposites

29-Dec-2014 | Saheli Roy, Suneel Kumar Srivastava, Jürgen Pionteck, Vikas Mittal, Macromolecular Materials and Engineering, 2014

Multiwalled carbon nanotube (MWCNT)–chemically reduced graphene oxide (CRGO) hybrid in different weight ratios were prepared by solution mixing. MWCNT–CRGO (1:1) hybrid exhibited better dispersion stability in dry THF and characterized. Subsequently, it was used as reinforcing filler in ...


Combined effects of carbon, phosphorus and nitrogen on lipid accumulation of Chlorella vulgaris in mixotrophic culture

29-Dec-2014 | Chao Li, Yanling Yu, Dawei Zhang, Jia Liu, Nanqi Ren, Yujie Feng, Journal of Chemical Technology & Biotechnology, 2014

Abstract Background Microalgae biodiesel has got attractive attentions, however low lipid content restricts its development significantly. Many research demonstrated that nutrient deficiency is an important factor to stimulate lipid accumulation in algal cells. This study investigated the ...


Robust Electrodes Based on Coaxial TiC/C–MnO2 Core/Shell Nanofiber Arrays with Excellent Cycling Stability for High‐Performance Supercapacitors

28-Dec-2014 | Xuming Zhang, Xiang Peng, Wan Li, Limin Li, Biao Gao, Guosong Wu, Kaifu Huo, Paul K. Chu, Small, 2014

A coaxial electrode structure composed of manganese oxide‐decorated TiC/C core/shell nanofiber arrays is produced hydrothermally in a KMnO4 solution. The pristine TiC/C core/shell structure prepared on the Ti alloy substrate provides the self‐sacrificing carbon shell and highly conductive TiC ...


Non‐toxic luminescent carbon dot/poly(dimethylacrylamide) nanocomposite reagent for latent fingermark detection synthesized via surface initiated RAFT polymerization

26-Dec-2014 | Jessirie Dilag, Hilton Kobus, Yang Yu, Christopher T. Gibson, Amanda V. Ellis, Polymer International, 2014

Abstract Here, non‐toxic luminescent carbon nanoparticles, namely carbon dots (C‐dots), were facilely synthesized via a one pot hydrothermal route. Raman, Fourier transform infra‐red, fluorescence, carbon nuclear magnetic resonance and X‐ray photoelectron spectroscopies revealed the carbon ...


Montmorillonite–multiwalled carbon nanotube nanoarchitecture reinforced thermoplastic polyurethane

24-Dec-2014 | Saheli Roy, Suneel Kumar Srivastava, Jürgen Pionteck, Vikas Mittal, Polymer Composites, 2014

Montmorillonite (MMT)–multiwalled carbon nanotube (MWCNT) hybrids were prepared in different weight ratios by simple dry grinding method and characterized. Subsequently, MMT–MWCNT (1:1) hybrid was used as reinforcing filler in developing thermoplastic polyurethane (TPU) nanocomposites by ...


From Chrysene to Double [5]Helicenes

22-Dec-2014 | Harald Bock, Stephanie Huet, Pierre Dechambenoit, Elizabeth A. Hillard, Fabien Durola, European Journal of Organic Chemistry, 2014

Abstract Glyoxylic functionalization of chrysene by Friedel–Crafts acylation with ethyl chloroglyoxylate or by bromination followed by substituent exchange enables the formation of bis[5]helicene‐tetracarboxylates and tetracarboxdiimides through Perkin reactions and palladium‐catalyzed ...


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