Готові списки джерел за темами / Graphene-CdSe Composites

Добірка наукової літератури з теми "Graphene-CdSe Composites"

Автор: Grafiati
Опубліковано: 6 вересня 2023

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Статті в журналах з теми "Graphene-CdSe Composites"

1

Li, Pengchao, Baohua Zhu, Peng Li, Zhihao Zhang, Luyao Li, and Yuzong Gu. "A Facile Method to Synthesize CdSe-Reduced Graphene Oxide Composite with Good Dispersion and High Nonlinear Optical Properties." Nanomaterials 9, no. 7 (June 30, 2019): 957. http://dx.doi.org/10.3390/nano9070957.

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Анотація:
CdSe-reduced graphene oxide (CdSe/RGO) composites were synthesized by a hydrothermal method. CdSe/RGO composites with different mass ratios were prepared. The structure and morphology of CdSe/RGO composites were analyzed by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The synthesis of CdSe/RGO complexes was successfully demonstrated by Fourier infrared (FT-IR) and Raman spectra. CdSe nanoparticles in the CdSe/RGO composite were uniformly dispersed on the graphene surface. The study found that oxygen-containing functional groups such as hydroxyl (-OH) and carboxyl (-COOH) groups in graphene played a decisive role in the dispersion of CdSe. The third-order nonlinear optical properties of CdSe/RGO composites were measured by a single beam Z-scan technique. The experimental results showed that composites exhibited two-photon absorption and self-focusing nonlinear refraction properties. Additionally, the third-order nonlinear susceptibility of the composite material was obviously enhanced, which was mainly due to the good dispersion of CdSe nanoparticles on graphene.
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2

Kukhta, Alexander V., Alesya G. Paddubskaya, Polina P. Kuzhir, Sergey A. Maksimenko, Svetlana A. Vorobyova, Stefano Bellucci, and Pawan K. Khanna. "Electroactive Polymer Based Conducting, Magnetic, and Luminescent Triple Composites." Advances in Science and Technology 97 (October 2016): 24–29. http://dx.doi.org/10.4028/www.scientific.net/ast.97.24.

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Анотація:
The latest our results on triple polymer composites based on graphene nanoplatelets (GNP) covered by copper nanoparticles, iron oxide nanoparticles, and CdSe two-dimensional and spherical nanoparticles are presented and analyzed. It was found that GNP covered by copper nanoparticles results in higher conductivity and film stability increase in PEDOT:PSS than pure GNP. It was revealed that in magnetic field, composites based on GNP with iron oxide nanoparticles have metallic conductivity and form thin films with higher surface while thin films formed without magnetic field are dielectrics and have less surface. Luminescent composite based on CdSe nanoplatelets has been obtained. Two maxima in the luminescence spectra of CdSe nanoplatelets have been found and explained with a model based on efficient absorption of photons between neighbor nanoplatelets. Luminescence of active particles was different in different places of the sample and strongly depends on the graphene type. Stronger luminescence is observed in graphene with less amount of defects.
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3

Chen, Ming-Liang, Ze-Da Meng, Lei Zhu, Chong-Yeon Park, Jong-Geun Choi, Trisha Ghosh, Kwang-Youn Cho, and Won-Chun Oh. "Synthesis of Carbon Nanomaterials-CdSe Composites and Their Photocatalytic Activity for Degradation of Methylene Blue." Journal of Nanomaterials 2012 (2012): 1–7. http://dx.doi.org/10.1155/2012/964872.

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Анотація:
We use multi-walled carbon nanotube (MWCNT) and graphene as carbon nanomaterials to obtain carbon nanomaterilas-CdSe composites using a facile hydrothermal method. The intrinsic characteristics of resulting composites were studied by X-ray diffraction (XRD), Scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) analysis, transmission electron microscopy (TEM) and UV-vis diffuse reflectance spectrophotometer. The as-prepared carbon nanomaterilas-CdSe composites possessed great adsorptivity of dyes, extended light absorption range, and efficient charge separation properties simultaneously. Hence, in the photodegradation of methylene blue, a significant enhancement in the reaction rate was observed with carbon nanomaterilas-CdSe composites, compared to the CdSe compound.
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4

Lei, Yun, Chengyi Fang, Jun Xu, and Yue He. "Enhanced photoelectric properties of CdSe/graphene composites with various contents of graphene." Ceramics International 42, no. 4 (March 2016): 5326–30. http://dx.doi.org/10.1016/j.ceramint.2015.12.063.

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5

Debgupta, Joyashish, Sadananda Mandal, Hemen Kalita, Mohammed Aslam, Amitava Patra, and Vijayamohanan Pillai. "Photophysical and photoconductivity properties of thiol-functionalized graphene–CdSe QD composites." RSC Advances 4, no. 27 (2014): 13788. http://dx.doi.org/10.1039/c3ra47420h.

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6

Huang, Ming-Hui, Yu-Bing Li, Tao Li, Xiao-Cheng Dai, Shuo Hou, Yunhui He, Guangcan Xiao, and Fang-Xing Xiao. "Self-transformation of ultra-small gold nanoclusters to gold nanocrystals toward boosted photoreduction catalysis." Chemical Communications 55, no. 71 (2019): 10591–94. http://dx.doi.org/10.1039/c9cc04562g.

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Self-transformation of Au clusters to Au nanocrystals (NCs) was achieved via thermal reduction and Au NCs integrated at the interface of CdSe QDs and graphene boost interfacial charge transfer efficiency.
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7

WEI, XIANGFEI, and MINGLIANG CHEN. "SELF-DECOMPOSITION EFFECT OF GRAPHENE BASED CdSe COMPOSITES FOR ORGANIC DYE IN DARK." Journal of the Chilean Chemical Society 60, no. 3 (September 2015): 2988–91. http://dx.doi.org/10.4067/s0717-97072015000300002.

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8

Rusetskyi, I. A., M. O. Danilov, S. S. Fomanyuk, I. A. Slobodyanyuk, V. S. Vorobets, and G. Ya Kolbasov. "Photoelectrochemical properties of the composites based on TiO2 nanotubes, CdSe and graphene oxide." Research on Chemical Intermediates 45, no. 8 (June 24, 2019): 4121–32. http://dx.doi.org/10.1007/s11164-019-03895-0.

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9

Ali, Asghar, and Won-Chun Oh. "Synthesis and Characterization of CdSe/graphene Nanocomposites and their Catalytic Reusability Studies under Visible Light Radiation." Journal of the Korean Ceramic Society 52, no. 6 (November 30, 2015): 502–7. http://dx.doi.org/10.4191/kcers.2015.52.6.502.

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10

Jing, Pengtao, Wenyu Ji, Xi Yuan, Michio Ikezawa, Ligong Zhang, Haibo Li, Jialong Zhao, and Yasuaki Masumoto. "Photoinduced Charge Separation and Recombination Processes in CdSe Quantum Dot and Graphene Oxide Composites with Methylene Blue as Linker." Journal of Physical Chemistry Letters 4, no. 17 (August 15, 2013): 2919–25. http://dx.doi.org/10.1021/jz401460j.

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Дисертації з теми "Graphene-CdSe Composites"

1

Jiang, Huei-fang, and 江惠芳. "Electrochemical Properties of Graphene/CdSe/Carbon nanotube/Chitosan Composite Films Used for Selective Detections of Dopamine, Uric Acid, and Ascorbic Acid." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/91937455839917776970.

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Анотація:
碩士
國立高雄大學
化學工程及材料工程學系碩士班
101
In this study, thiol-capped CdSe, graphene oxide (GO), chemically reduced graphene oxide (rGOc), and carbon nanotube (CNT) were dispersed in chitosan (CS) aqueous solution followed by casting films on glassy carbon electrodes to investigate the electrocatalytic activities of the films by cyclic voltammetry for developments of electrochemical sensors for dopamine (DA), uric acid (UA), and ascorbic acid (AA). CV curves revealed that CdSe/rGOc/CS exhibited high electrocatalytic activity and selective detection ability for DA, UA, and AA compared with bare GCE and rGOc/CS. The CdSe/rGOc/CS composite film had enhanced porosity after adding CdSe to rGOc/CS and exhibited specific interactions with DA, UA, or AA. The composite films of CNT/rGOc/CS and CNT/GO/CS exhibited also high electrocatalytic activities. The sulfonated chitosan (sCS) in the CNT/GO/sCS had enhanced the electrocatalytic activities much higher toward the oxidation of DA, UA and AA. This could be attributed to the swelling of sCS in aqueous solutions leading to enhanced porosity in the CNT/GO/sCS film. The CNT/GO/sCS- and CNT/GO/CS-modified electrodes were used for simultaneous and quantitative determinations of DA, UA, and AA. For the CNT/GO/CS, the linear ranges for detections of DA, UA, and AA were 1.25
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Тези доповідей конференцій з теми "Graphene-CdSe Composites"

1

Klekachev, Alexander V., Inge Asselberghs, Sergey N. Kuznetsov, Mirco Cantoro, Jeong Hun Mun, Byung-Jin Cho, Jun-ichi Hotta, et al. "Charge transfer effects in graphene-CdSe/ZnS quantum dots composites." In SPIE NanoScience + Engineering, edited by Didier Pribat, Young-Hee Lee, and Manijeh Razeghi. SPIE, 2012. http://dx.doi.org/10.1117/12.930082.

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