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density functional theory 2

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4-(dicyanomethylene)-2-t-butyl-6-(1 1

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7-tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) 1

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Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 6, doi: 10.1007/s11783-023-1671-7

Abstract:

● Dolomite-doped biochar/bentonite was synthesized for phosphate removal

Keywords： Biochar-bentonite composite     Dolomite doping     Phosphate adsorption     Polymeric matrix membrane     Adsorption-filtration    

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Synthesis of vinasse-dolomite nanocomposite biochar via a novel developed functionalization method to

Nima Kamali, Abdollah Rashidi Mehrabadi, Maryam Mirabi, Mohammad Ali Zahed

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 4, doi: 10.1007/s11783-020-1249-6

Abstract: Abstract • Nanocomposites were prepared by adding dolomite to vinasse at different ratio. • Texturalwas investigated by novel low-cost biochars synthesized from vinasse and functionalized with calcined dolomiteThe novel vinasse biochar nanocomposites were prepared by adding dolomite to the vinasse biochars withVinasse-dolomite nanocomposite was very effective in the adsorption of P species from aqueous media.The effect of the operational factors on Vinasse-dolomite nanocomposite was explored by applying response

Keywords： Biochar     Vinasse     Dolomite     Phosphate     Fertilizer    

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Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 5,   Pages 850-860 doi: 10.1007/s11783-014-0737-y

Abstract: The effect of ion-doping on TiO nanotubes were investigated to obtain the optimal TiO nanotubes forwere doped into the TiO nanotubes, whereas such activities decreased as a result of Mn - and Ni -doping

Keywords： TiO2 nanotubes     ion-doping     humic acids     pseudo-first-order     mechanism    

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Erratum to: Synthesis of vinasse-dolomite nanocomposite biochar via a novel developed functionalization

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1387-5

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Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1440-1449 doi: 10.1007/s11705-023-2333-9

Abstract: /sub> MXene was successfully prepared using a one-step hydrothermal method under the in-situ dopingThe effects of in-situ doping of the cobalt element on the micromorphology and electrochemicalAfter in-situ doping of the cobalt element, NiS with a needle-like structure was converted intoThis result indicated that the in-situ doping of the cobalt element promoted the electrochemical

Keywords： MXene     supercapacitor     cobalt doping     structure characterization     electrochemical performance    

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Tuning the electronic structure of NiCoP arrays through V doping for pH-universal hydrogen evolution

Yu Lin, Jinlei Wang, Duanlin Cao, Yaqiong Gong

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1134-1146 doi: 10.1007/s11705-020-2014-x

Abstract: Regulation of electronic structure through doping vanadium atoms is a feasible construction strategyV-doped NiCoP nanosheets on carbon fiber paper (CFP) (denoted as V -NiCoP/CFP) were constructed by dopingThis proposed cation-doping strategy provides a new inspiration to rationally enhance or design new-type

Keywords： hydrogen evolution reaction     transition metal phosphides     pH-universal     vanadium doping     carbon fiber paper    

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Tuning nitrogen defects and doping sulfur in carbon nitride for enhanced visible light photocatalytic

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 93-101 doi: 10.1007/s11705-022-2175-x

Abstract: Defect construction and heteroatom doping are effective strategies for improving photocatalytic activity

Keywords： g-C3N4     nitrogen defect     sulfur doping     photodegradation     plasma    

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Enhancement of open circuit voltage in organic solar cells by doping a fluorescent red dye

Qing LI, Junsheng YU, Yue ZANG, Nana WANG, Yadong JIANG

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 179-183 doi: 10.1007/s11708-012-0177-y

Abstract: The open circuit voltage ( ) of small-molecule organic solar cells (OSCs) could be improved by doping

Keywords： organic solar cells (OSCs)     open circuit voltage     fluorescent dye doping     4-(dicyanomethylene)-2-t-butyl    

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Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 6, doi: 10.1007/s11783-017-0976-9

Abstract: This present work investigated the effects of Pd doping on N O formation over Pt/BaO/Al O catalyst.

Keywords： NOx storage reduction     Pt/BaO/Al2O3     Pd doping     N2O formation    

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CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-022-1539-2

Abstract:

• CeO2 doping significantly improved low-temperature NH

Keywords： NH3-SCR     CeO2 doping     Low-temperature NOx removal     Improved redox    

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Enhanced Fenton-like process over Cu/L(+)-ascorbic acid co-doping mesoporous silica for toxicity reduction

Frontiers of Environmental Science & Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11783-024-1804-7

Abstract:

● Cu-C-MSNs are developed via a co-doping step of Cu with L(+)-ascorbic

Keywords： Cation-π structures     Polarization electric field     Fenton-like process     Contaminants cleavage    

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Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunction

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Frontiers in Energy 2017, Volume 11, Issue 1,   Pages 92-95 doi: 10.1007/s11708-016-0432-8

Abstract: Double-layer emitters with different doping concentrations (DLE) have been designed and prepared for

Keywords： double-layer emitter     α-Si:H/c-Si heterojunction solar cell     short circuit current     quantum efficiency     current-voltage-temperature    

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Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 248-252 doi: 10.1007/s11705-008-0048-6

Abstract: High-quality neodymium-doped yttrium aluminum garnet (Nd:YAG) transparent ceramic (4.0 mole percent) was fabricated by a solid-state reaction method and vacuum sintering. The microstructure, optical transmittance, spectral properties and laser performance were investigated. The average grain size of the sample is about 10 ?m. The transmittance of a 2.8-mm thick sample reaches 79.5% at the laser wavelength of 1064 nm. The highest absorption peak is centered at 807 nm and the absorption coefficient is 13.9 cm. The absorption coefficient at the laser wavelength is 0.2 cm. The main emission peak is at 1064 nm and the fluorescence lifetime is 102 ?s. A laser diode (808 nm) whose maximum output is about 1000 mW was used as a pump source and an end-pumped laser experiment was performed. The 1064 nm-CW-laser output was obtained and the threshold is 733 mW. With 998 mW of maximum absorbed pump power, a laser output of 17 mW is obtained with a slope efficiency of 6.1%.

Keywords： neodymium-doped yttrium     maximum absorbed     microstructure     fluorescence lifetime     threshold    

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The effect of doping and steam treatment on the catalytic activities of nano-scale H-ZSM-5 in the methanol

Baodong Song, Yongqiang Li, Gang Cao, Zhenhai Sun, Xu Han

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 4,   Pages 564-574 doi: 10.1007/s11705-017-1654-y

Abstract: In the transformation of methanol to gasoline (MTG), the selectivity to gasoline and the aromatic content in the produced gasoline are important factors. The catalytic activities of steam-treated and non-steam-treated nano-scale H-ZSM-5 (NHZ5) catalysts impregnated with Ag(I), Zn(II) or P(V) have been investigated in a continuous flow fixed bed reactor. The NH -TPD results showed that after impregnation, the Ag/NHZ5, Zn/NHZ5 and P/NHZ5 catalysts contained comparatively more strong, medium-strong and weak acid sites, respectively. Treatment with steam decreased the number of acid sites in all the catalysts, but the pore volumes in the catalysts were larger which improved carbon deposition resistance resulting in prolonged lifetimes. After 6 h of MTG reaction, the selectivity to gasoline for the steam-treated catalysts, , and were 70.5, 68.4 and 68.7 wt-%, respectively, whereas their respective aromatic contents in the produced gasoline were 61.9, 55.4 and 39.0 wt-%. Thus is the most promising catalyst for MTG applications which can meet the China IV gasoline standard that the amount of aromatics in gasoline should be less than 48 wt-%.

Keywords： MTG     nano-scale H-ZSM-5     steam treatment     gasoline     selectivity to gasoline    

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Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization of liquid phases: Equilibrium & kinetic study

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1397-3

Abstract:

• Synthesis of NS-CNTS is used in a high desulfurization performance.

Keywords： Dibenzothiophene (DBT)     Tertiary methyl mercaptan     Adsorption     Carbon nano tube (CNT)     Desulfurization     Doping    

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Title Author Date Type Operation

Facile fabrication of dolomite-doped biochar/bentonite for effective removal of phosphate from complex

Journal Article

Synthesis of vinasse-dolomite nanocomposite biochar via a novel developed functionalization method to

Nima Kamali, Abdollah Rashidi Mehrabadi, Maryam Mirabi, Mohammad Ali Zahed

Journal Article

Effect of metal ion-doping on characteristics and photocatalytic activity of TiO

Rongfang YUAN,Beihai ZHOU,Duo HUA,Chunhong SHI

Journal Article

Erratum to: Synthesis of vinasse-dolomite nanocomposite biochar via a novel developed functionalization

Journal Article

Enhanced electrochemical performance of CoNiS@TiCT electrode material through doping of cobalt element

Journal Article

Tuning the electronic structure of NiCoP arrays through V doping for pH-universal hydrogen evolution

Yu Lin, Jinlei Wang, Duanlin Cao, Yaqiong Gong

Journal Article

Tuning nitrogen defects and doping sulfur in carbon nitride for enhanced visible light photocatalytic

Journal Article

Enhancement of open circuit voltage in organic solar cells by doping a fluorescent red dye

Qing LI, Junsheng YU, Yue ZANG, Nana WANG, Yadong JIANG

Journal Article

Effects of Pd doping on N

Mingxin Dong, Jun Wang, Jinxin Zhu, Jianqiang Wang, Wulin Wang, Meiqing Shen

Journal Article

CeO doping boosted low-temperature NH-SCR activity of FeTiO catalyst: A microstructure analysis and reaction

Journal Article

Enhanced Fenton-like process over Cu/L(+)-ascorbic acid co-doping mesoporous silica for toxicity reduction

Journal Article

Analysis of the double-layer α-Si:H emitter with different doping concentrations for α-Si:H/c-Si heterojunction

Haibin HUANG,Gangyu TIAN,Tao WANG,Chao GAO,Jiren YUAN,Zhihao YUE,Lang ZHOU

Journal Article

Solid-state-reaction fabrication and properties of a high-doping Nd:YAG transparent laser ceramic

WU Yusong, LI Jiang, PAN Yubai, LIU Wenbin, AN Liqiong, WANG Shiwei, GUO Jingkun

Journal Article

The effect of doping and steam treatment on the catalytic activities of nano-scale H-ZSM-5 in the methanol

Baodong Song, Yongqiang Li, Gang Cao, Zhenhai Sun, Xu Han

Journal Article

Experimental and DFT insights into nitrogen and sulfur co-doped carbon nanotubes for effective desulfurization of liquid phases: Equilibrium & kinetic study

Journal Article