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Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 169-177 doi: 10.1007/s11708-018-0527-5

Abstract: Therefore, for the DASC utilizing a plasmonic nanofluid supporting the LSP, light scattering from metallicThe present study investigates the scattering effect on the thermal performance of the DASC employingplasmonic nanofluid as a working fluid.

Keywords： direct absorption solar collector     plasmonic nanofluid     light scattering    

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grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 721-731 doi: 10.1007/s11708-021-0766-8

Abstract: results indicate that the superior activity is mainly caused by the in situ formation of plasmonicThe present study provides a fascinating approach to in situ forming nonmetallic plasmonic material

Keywords： photocatalytic H2 evolution     TiN/N-TiO2 composite     plasmonic effect     in-situ    

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High-Speed Parallel Plasmonic Direct-Writing Nanolithography Using Metasurface-Based Plasmonic Lens Article

Yueqiang Hu, Ling Li, Rong Wang, Jian Song, Hongdong Wang, Huigao Duan, Jiaxin Ji, Yonggang Meng

Engineering 2021, Volume 7, Issue 11,   Pages 1623-1630 doi: 10.1016/j.eng.2020.08.019

Abstract: ., plasmonic lithography) provides a promising solution.However, a smaller and steadier plasmonic nanogap, new scheme of plasmonic lens, and parallel processingHerein, a parallel plasmonic direct-writing nanolithography system is established in which a novel plasmonicA multi-stage metasurface-based polarization insensitive plasmonic lens is proposed to couple more powerand realize a more confined spot compared with conventional plasmonic lenses.

Keywords： Nanofabrication     Surface plasmon polariton     Lithography     Plasmonic flying head     Plasmonic lens    

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Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 665-671 doi: 10.1007/s11705-019-1815-2

Abstract: A strategy of intensifying the visible light harvesting ability of anatase TiO hollow spheres (HSs) was developed, in which both sides of TiO HSs were utilised for stabilising Au nanoparticles (NPs) through the sacrificial templating method and convex surface-induced confinement. The composite structure of single Au NP yolk-TiO shell-Au NPs, denoted as Au@Au(TiO , was rendered and confirmed by the transmission electron microscopy analysis. Au@Au(TiO showed enhanced photocatalytic activity in the degradation of methylene blue and phenol in aqueous phase under visible light surpassing that of other reference materials such as Au(TiO by 77% and Au@P25 by 52%, respectively, in phenol degradation.

Keywords： TiO2 hollow spheres     plasmonic Au nanoparticles     confinement     visible light     photocatalytic degradation    

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From plasma to plasmonics: toward sustainable and clean water production through membranes

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 12,   Pages 1809-1836 doi: 10.1007/s11705-023-2339-3

Abstract: two techniques: plasma treatment (a surface modification technique), and treatment through the use of plasmonicThis article showcases plasma- and plasmonic-based treatments in the context of water desalination/purification

Keywords： water treatment     membrane-based process     plasma treatment     plasma polymerization     plasmonic     light-to-heat    

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Plasmonic light trapping for enhanced light absorption in film-coupled ultrathin metamaterial thermophotovoltaic

Qing NI, Hassan ALSHEHRI, Yue YANG, Hong YE, Liping WANG

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 185-194 doi: 10.1007/s11708-018-0522-x

Abstract: Ultrathin cells have gained increasing attention due to their potential for reduced weight, reduced cost and increased flexibility. However, the light absorption in ultrathin cells is usually very weak compared to the corresponding bulk cells. To achieve enhanced photon absorption in ultrathin thermophotovoltaic (TPV) cells, this work proposed a film-coupled metamaterial structure made of nanometer-thick gallium antimonide (GaSb) layer sandwiched by a top one-dimensional (1D) metallic grating and a bottom metal film. The spectral normal absorptance of the proposed structure was calculated using the rigorous coupled-wave algorithm (RCWA) and the absorption enhancement was elucidated to be attributed to the excitations of magnetic polariton (MP), surface plasmon polariton (SPP), and Fabry-Perot (FP) resonance. The mechanisms of MP, SPP, and FP were further confirmed by an inductor-capacitor circuit model, dispersion relation, and phase shift, respectively. Effects of grating period, width, spacer thickness, as well as incidence angle were discussed. Moreover, short-circuit current density, open-circuit voltage, output electric power, and conversion efficiency were evaluated for the ultrathin GaSb TPV cell with a film-coupled metamaterial structure. This work will facilitate the development of next-generation low-cost ultrathin infrared TPV cells.

Keywords： metamaterial     thermophotovoltaic     plasmonics     light trapping     selective absorption    

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Analysis of effect of different construction methods of piles on the end effect on skin friction of piles

ZHOU Hongbo, CHEN Zhuchang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 458-463 doi: 10.1007/s11709-007-0062-7

Abstract: Based on the comparative analysis of end effect on skin friction of displacement-pile (driven pile),the end effect on skin friction of bored pile is studied.The end effect on skin friction between driven pile and bored pile is different and the end effect onThe concept of additional mud cake formed by the effect of cushion at the bottom of borehole during pouringconcrete is introduced to explain the mechanism of end effect on skin friction of the bored pile.

Keywords： distance     different     concept     additional     bottom    

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A review on different theoretical models of electrocaloric effect for refrigeration

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 478-503 doi: 10.1007/s11708-023-0884-6

Abstract: The performance parameters for characterizing the electrocaloric effect are isothermal entropy changeThis paper reviews the electrocaloric effect of ferroelectric materials based on different theoreticalsimulation, and finite element analysis) to explain the basic theory of calculating the electrocaloric effectThen, it comprehensively reviews the recent progress of these methods in regulating the electrocaloric effectand the generation mechanism of the electrocaloric effect.

Keywords： electrocaloric effect     effective Hamiltonian     phase-field modeling     different theoretical models    

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A new miniaturized engine based on thermomagnetic effect of magnetic fluids

Lujun ZHOU, Yimin XUAN, Qiang LI, Wenlei LIAN

Frontiers in Energy 2009, Volume 3, Issue 2,   Pages 160-166 doi: 10.1007/s11708-009-0018-9

Abstract: NdFeB magnet, a kerosene-based magnetic fluid and a rotor, is proposed based on the thermomagnetic effect

Keywords： magnetic fluid     thermomagnetic effect     engine    

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The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 3,   Pages 397-407 doi: 10.1007/s11705-021-2076-4

Abstract: The catalytic hydrogenation of carboxylic acid to alcohols is one of the important strategies for the conversion of biomass. Herein, a series of Ni-doped PtSn catalysts were prepared, characterized and studied in the hydrogenation of acetic acid. The Ni dopant has a strong interaction with Pt, which promotes the hydrogen adsorption, providing an activated hydrogen-rich environment for the hydrogenation. Meanwhile, the presence of Ni also improves the Pt dispersion, giving more accessible active sites for hydrogen activation. The cooperation of Pt and Ni significantly promotes the catalytic activity of the hydrogenation of acetic acid to ethanol. As a result, the catalyst with 0.1% Ni exhibits the best reaction activity, and its space time yield is twice as that of the PtSn/SiO2 catalyst. It provides a meaningful instruction on the catalyst design for the carboxylic acid hydrogenation.

Keywords： acetic acid     ethanol     hydrogenation     Pt     Ni     cooperation effect    

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Direct energy rebound effect for road transportation in China

Frontiers of Engineering Management   Pages 597-611 doi: 10.1007/s42524-023-0276-y

Abstract: these objectives may, in part or in entirety, be offset by the phenomenon known as the energy rebound effectassociated with road passenger transportation and road freight transportation represent a partial rebound effect, falling short of reaching the magnitude of a counterproductive backfire effect.

Keywords： road transportation     direct energy rebound effect     asymmetric price effects     panel data model    

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Photoaging mechanism of microplastics: a perspective on the effect of dissolved organic matter in natural

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1743-8

Abstract:

● Microplastics (MPs) undergo photoaging in natural water under light irradiation.

Keywords： Microplastics     Photoaging     Dissolved organic matter     ROS generation    

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Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 193-203 doi: 10.1007/s11708-019-0608-0

Abstract: analysis has also been conducted to assess the performance and operating conditions of the multiple effect

Keywords： solar energy     steam generating     multi-effect desalination    

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Research on the flotation of kaolinite using a series of dodecyl tertiary amines

Cao Xuefeng,Liu Changmiao, Hu Yuehua

Strategic Study of CAE 2011, Volume 13, Issue 1,   Pages 93-97

Abstract:

The flotation performances of four tertiary amines (DRN, DEN, DPN and DBN) on kaolinite were studied in this paper. All the four tertiary amines show very good flotation effects on kaolinite, and DEN does the best, with the highest flotation recovery of 92 %. In the acid pH scale, four tertiary can float kaolinite well because their cationics absorb onto the surface of kaolinite by electrostatic force; with the increasing of pH, the content of cationics was decreased to result in the lower flotation recovery. On the basis of Zeta potential, the surface of kaolinite is mainly electro-negative in the whole pH region, and its Zeta potential is remarkable increased after kaolinite was affected by four tertiary amines. Both the results of FT-IR spectra and Zeta potential show that four tertiary amines are absorbed onto the surface of kaolinite by electrostatic force. The flotation differences of four tertiary amines are due to the electronic effects and space steric effects of the substituents belonging to N atom in the amine molecule.

Keywords： tertiary amine     kaolinite     flotation     electrostatic effect     electronic effect     space steric effect    

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Title Author Date Type Operation

Effect of light scattering on the performance of a direct absorption solar collector

Kwang Hyun WON, Bong Jae LEE

Journal Article

grown TiN/N-TiO composite for enhanced photocatalytic H evolution activity

Journal Article

High-Speed Parallel Plasmonic Direct-Writing Nanolithography Using Metasurface-Based Plasmonic Lens

Yueqiang Hu, Ling Li, Rong Wang, Jian Song, Hongdong Wang, Huigao Duan, Jiaxin Ji, Yonggang Meng

Journal Article

Plasmonic Au nanoparticles supported on both sides of TiO2 hollow spheres for maximising photocatalytic

Jianwei Lu, Lan Lan, Xiaoteng Terence Liu, Na Wang, Xiaolei Fan

Journal Article

From plasma to plasmonics: toward sustainable and clean water production through membranes

Journal Article

Plasmonic light trapping for enhanced light absorption in film-coupled ultrathin metamaterial thermophotovoltaic

Qing NI, Hassan ALSHEHRI, Yue YANG, Hong YE, Liping WANG

Journal Article

Li Haoran: Research on the Transformation Decision of "Replacing Coal With Gas" Based on Peer Effectand Network Effect (2020-7-11)

19 May 2022

Conference Videos

Analysis of effect of different construction methods of piles on the end effect on skin friction of piles

ZHOU Hongbo, CHEN Zhuchang

Journal Article

A review on different theoretical models of electrocaloric effect for refrigeration

Journal Article

A new miniaturized engine based on thermomagnetic effect of magnetic fluids

Lujun ZHOU, Yimin XUAN, Qiang LI, Wenlei LIAN

Journal Article

The cooperation effect of Ni and Pt in the hydrogenation of acetic acid

Journal Article

Direct energy rebound effect for road transportation in China

Journal Article

Photoaging mechanism of microplastics: a perspective on the effect of dissolved organic matter in natural

Journal Article

Modeling analysis on solar steam generator employed in multi-effect distillation (MED) system

Zhaorui ZHAO, Bao YANG, Ziwen XING

Journal Article

Research on the flotation of kaolinite using a series of dodecyl tertiary amines

Cao Xuefeng,Liu Changmiao, Hu Yuehua

Journal Article