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2016 Volume 32 Issue 1
2016, 32(1): 1-1
doi: 10.3866/PKU.WHXB201601041
Abstract:
2016, 32(1): 2-13
doi: 10.3866/PKU.WHXB201510192
Abstract:
One of the most appealing ways to resolve the worldwide energy crisis and environmental pollution is by converting solar energy into storable chemical energy as hydrogen through solar water splitting. The redox reactions of photogenerated charge carr...
One of the most appealing ways to resolve the worldwide energy crisis and environmental pollution is by converting solar energy into storable chemical energy as hydrogen through solar water splitting. The redox reactions of photogenerated charge carr...
2016, 32(1): 14-27
doi: 10.3866/PKU.WHXB201511133
Abstract:
Glass, an amorphous oxide material with a long history, is widely used in our daily life. Graphene is a novel two-dimensional material formed by carbon atoms. The unique properties of graphene, such as excellent mechanical strength, high electrical a...
Glass, an amorphous oxide material with a long history, is widely used in our daily life. Graphene is a novel two-dimensional material formed by carbon atoms. The unique properties of graphene, such as excellent mechanical strength, high electrical a...
2016, 32(1): 28-47
doi: 10.3866/PKU.WHXB201512081
Abstract:
Because of the potential applications of TiO2 in photocatalytic hydrogen production and pollutant degradation, over the past few decades we have witnessed increasing interest in and effort toward developing TiO2-based photocatalysts, and improving th...
Because of the potential applications of TiO2 in photocatalytic hydrogen production and pollutant degradation, over the past few decades we have witnessed increasing interest in and effort toward developing TiO2-based photocatalysts, and improving th...
2016, 32(1): 48-60
doi: 10.3866/PKU.WHXB201511092
Abstract:
Au catalysis is representative of nanocatalysis. Au catalysis has been demonstrated to be very complex and structure-sensitive. In this short review we summarize the literature reports on Au catalysis and our recent progress on the fundamental unders...
Au catalysis is representative of nanocatalysis. Au catalysis has been demonstrated to be very complex and structure-sensitive. In this short review we summarize the literature reports on Au catalysis and our recent progress on the fundamental unders...
2016, 32(1): 61-74
doi: 10.3866/PKU.WHXB201511101
Abstract:
There has been a surge of interest in using supported gold catalysts in green synthesis and clean reactions. Complementary to their traditional platinum-group metal counterparts, catalysis using nano-gold offers a unique opportunity to obtain target ...
There has been a surge of interest in using supported gold catalysts in green synthesis and clean reactions. Complementary to their traditional platinum-group metal counterparts, catalysis using nano-gold offers a unique opportunity to obtain target ...
2016, 32(1): 75-84
doi: 10.3866/PKU.WHXB201512153
Abstract:
Metal-free carbon catalysts have been receiving increasing attention in the fields of nanomaterials and catalysis. Compared with conventional metal catalysts, there are many advantages for metal-free carbon catalysts, such as simple synthesis, stable...
Metal-free carbon catalysts have been receiving increasing attention in the fields of nanomaterials and catalysis. Compared with conventional metal catalysts, there are many advantages for metal-free carbon catalysts, such as simple synthesis, stable...
2016, 32(1): 85-97
doi: 10.3866/PKU.WHXB201511061
Abstract:
With the rapid growth of the biodiesel industry, huge amounts of glycerol have been produced as a byproduct. Thus, it is highly desirable to convert low-cost glycerol into highly valuable chemicals, which can both expedite the development of the biod...
With the rapid growth of the biodiesel industry, huge amounts of glycerol have been produced as a byproduct. Thus, it is highly desirable to convert low-cost glycerol into highly valuable chemicals, which can both expedite the development of the biod...
2016, 32(1): 98-118
doi: 10.3866/PKU.WHXB201510302
Abstract:
Density functional reactivity theory (DFRT) is a recent endeavor to appreciate and quantify molecular reactivity with simple density functionals. Examples of such density functionals recently investigated in the literature included Shannon entropy, F...
Density functional reactivity theory (DFRT) is a recent endeavor to appreciate and quantify molecular reactivity with simple density functionals. Examples of such density functionals recently investigated in the literature included Shannon entropy, F...
2016, 32(1): 119-130
doi: 10.3866/PKU.WHXB201512011
Abstract:
Recent progresses on a new generation density functional XYG3 and the construction of potential energy surfaces using neural networks are reviewed in this article. Using H3 and CH5 systems as illustrative examples, it is concluded that highly reliabl...
Recent progresses on a new generation density functional XYG3 and the construction of potential energy surfaces using neural networks are reviewed in this article. Using H3 and CH5 systems as illustrative examples, it is concluded that highly reliabl...
2016, 32(1): 131-153
doi: 10.3866/PKU.WHXB201512151
Abstract:
Chemical kinetic modeling has become more and more important in the analysis of combustion systems. Considerable progress has been made in the development of combustion models in recent years. This review includes the following contents: electronic s...
Chemical kinetic modeling has become more and more important in the analysis of combustion systems. Considerable progress has been made in the development of combustion models in recent years. This review includes the following contents: electronic s...
2016, 32(1): 154-170
doi: 10.3866/PKU.WHXB201512041
Abstract:
The construction of covalently bonded molecular structures on single crystal metal surfaces has attracted increasing attention because of the synthetic strategies used and their potential application to molecular electronics and optoelectronics. Unli...
The construction of covalently bonded molecular structures on single crystal metal surfaces has attracted increasing attention because of the synthetic strategies used and their potential application to molecular electronics and optoelectronics. Unli...
2016, 32(1): 171-182
doi: 10.3866/PKU.WHXB201512152
Abstract:
Photoemission electron microscopy (PEEM)/low energy electron microscopy (LEEM) are surface techniques that can be used to image surface structure, electronic states, and surface chemistry. Important applications of the technique in catalysis, energy,...
Photoemission electron microscopy (PEEM)/low energy electron microscopy (LEEM) are surface techniques that can be used to image surface structure, electronic states, and surface chemistry. Important applications of the technique in catalysis, energy,...
2016, 32(1): 183-194
doi: 10.3866/PKU.WHXB201512113
Abstract:
Single crystalline oxide thin film has been delegated as an important approach to studying oxide materials. The related researches are at the frontier of model catalysis. In this review, we try to summarize what has been researched so far around the ...
Single crystalline oxide thin film has been delegated as an important approach to studying oxide materials. The related researches are at the frontier of model catalysis. In this review, we try to summarize what has been researched so far around the ...
2016, 32(1): 195-200
doi: 10.3866/PKU.WHXB201511261
Abstract:
Self-similar fractals have been extensively investigated because of their importance in mathematics and aesthetics. Chemists have attempted to synthesize various molecular fractal structures through sophisticated design. But because of poor solubilit...
Self-similar fractals have been extensively investigated because of their importance in mathematics and aesthetics. Chemists have attempted to synthesize various molecular fractal structures through sophisticated design. But because of poor solubilit...
2016, 32(1): 201-213
doi: 10.3866/PKU.WHXB201512031
Abstract:
Quantum dot-sensitized solar cells (QDSCs) have attracted much attention in the past few years because of the advantages of quantum dots (QDs), including low cost, easy fabrication, size-dependence bandgap, and multiple exciton generation (MEG). The ...
Quantum dot-sensitized solar cells (QDSCs) have attracted much attention in the past few years because of the advantages of quantum dots (QDs), including low cost, easy fabrication, size-dependence bandgap, and multiple exciton generation (MEG). The ...
2016, 32(1): 214-226
doi: 10.3866/PKU.WHXB201511022
Abstract:
Gemini surfactants consist of two amphiphilic moieties covalently connected by a spacer at the level of the head groups. Compared with the corresponding monomeric surfactants, gemini surfactants exhibit higher surface activity, possess unique structu...
Gemini surfactants consist of two amphiphilic moieties covalently connected by a spacer at the level of the head groups. Compared with the corresponding monomeric surfactants, gemini surfactants exhibit higher surface activity, possess unique structu...
2016, 32(1): 227-238
doi: 10.3866/PKU.WHXB201511181
Abstract:
Supramolecular gels, an important type of soft matter, have showed unique advantages in the construction of functional soft materials, such as multiple stimuli responsive, photoelectrical, and biological compatibility materials. Through supramolecula...
Supramolecular gels, an important type of soft matter, have showed unique advantages in the construction of functional soft materials, such as multiple stimuli responsive, photoelectrical, and biological compatibility materials. Through supramolecula...
2016, 32(1): 239-248
doi: 10.3866/PKU.WHXB201511241
Abstract:
Excess spectroscopy was proposed following the idea of excess thermodynamic functions. It is complementary to classical excess functions because it provides rich information on molecular interactions. In this review, we introduce in detail the concep...
Excess spectroscopy was proposed following the idea of excess thermodynamic functions. It is complementary to classical excess functions because it provides rich information on molecular interactions. In this review, we introduce in detail the concep...
2016, 32(1): 249-260
doi: 10.3866/PKU.WHXB201512042
Abstract:
Application of ionic liquid surfactants in chemical synthesis, materials preparation, and environmental pollution control is closely dependent on their self-assembly behavior and aggregate structure in aqueous solution. Thus, the study of the aggrega...
Application of ionic liquid surfactants in chemical synthesis, materials preparation, and environmental pollution control is closely dependent on their self-assembly behavior and aggregate structure in aqueous solution. Thus, the study of the aggrega...
2016, 32(1): 261-266
doi: 10.3866/PKU.WHXB201512101
Abstract:
The electrocatalytic reduction of CO2 to HCOOH is an interesting topic and the efficiency usually depends strongly on the materials of the electrodes. Herein, nanostructured Cu2S on Cu-foam was prepared by electro-deposition method and characterized ...
The electrocatalytic reduction of CO2 to HCOOH is an interesting topic and the efficiency usually depends strongly on the materials of the electrodes. Herein, nanostructured Cu2S on Cu-foam was prepared by electro-deposition method and characterized ...
2016, 32(1): 267-273
doi: 10.3866/PKU.WHXB201510303
Abstract:
The pyridinium-based ionic liquids [C6py][DCA] (N-hexyl-pyridinium dicyanamide) was prepared and characterized using 1H and 13C nuclear magnetic responancec (NMR) spectroscopies, Fourier transform infrared (FT-IR) spectroscopy, and differential scann...
The pyridinium-based ionic liquids [C6py][DCA] (N-hexyl-pyridinium dicyanamide) was prepared and characterized using 1H and 13C nuclear magnetic responancec (NMR) spectroscopies, Fourier transform infrared (FT-IR) spectroscopy, and differential scann...
2016, 32(1): 274-282
doi: 10.3866/PKU.WHXB201511021
Abstract:
The thermodynamics of the interaction between human serum albumin (HSA) and imidacloprid (IMI) was investigated using fluorescence, UV-Vis absorbance, and circular dichroism spectroscopy, in addition to molecular modeling under physiological conditio...
The thermodynamics of the interaction between human serum albumin (HSA) and imidacloprid (IMI) was investigated using fluorescence, UV-Vis absorbance, and circular dichroism spectroscopy, in addition to molecular modeling under physiological conditio...
2016, 32(1): 283-289
doi: 10.3866/PKU.WHXB201511132
Abstract:
The interfacial morphology of a single crystal Si wafer anode during the first discharging-charging cycle was investigated using in situ atomic force microscopy (AFM). The solid-electrolyte interphase (SEI) began to grow from 1.5 V, developing rapidl...
The interfacial morphology of a single crystal Si wafer anode during the first discharging-charging cycle was investigated using in situ atomic force microscopy (AFM). The solid-electrolyte interphase (SEI) began to grow from 1.5 V, developing rapidl...
2016, 32(1): 290-300
doi: 10.3866/PKU.WHXB201512072
Abstract:
The understanding of factors that affect the optical properties of azo dyes sheds insight to the design of novel optoelectronic devices. The effect of the acidity or alkalinity and the solvent on the absorption spectra of ortho-methyl red (o-MR) aque...
The understanding of factors that affect the optical properties of azo dyes sheds insight to the design of novel optoelectronic devices. The effect of the acidity or alkalinity and the solvent on the absorption spectra of ortho-methyl red (o-MR) aque...
2016, 32(1): 301-312
doi: 10.3866/PKU.WHXB201512112
Abstract:
The experimentally-measured two-photon absorption (TPA) spectra of fluorescent proteins (FPs) show quite different characteristics with one-photon absorption (OPA) spectra in both the low- and high-frequency regions. To reveal the mechanism that resu...
The experimentally-measured two-photon absorption (TPA) spectra of fluorescent proteins (FPs) show quite different characteristics with one-photon absorption (OPA) spectra in both the low- and high-frequency regions. To reveal the mechanism that resu...
2016, 32(1): 313-320
doi: 10.3866/PKU.WHXB201512161
Abstract:
Urea is known for protein denaturation. The counteracting effect of trimethylamine-N-oxide (TMAO) against urea-induced protein denaturation is also well established. However, what is largely unknown is the mechanism TMAO counteracts urea. In this art...
Urea is known for protein denaturation. The counteracting effect of trimethylamine-N-oxide (TMAO) against urea-induced protein denaturation is also well established. However, what is largely unknown is the mechanism TMAO counteracts urea. In this art...
2016, 32(1): 321-328
doi: 10.3866/PKU.WHXB201512091
Abstract:
N-doped graphene has aroused much interest owing to its high activity and stability in oxygen reduction reaction (ORR) catalysis. However, the contribution of different types of N-doped graphene to ORR activity remains in dispute. Based on this issue...
N-doped graphene has aroused much interest owing to its high activity and stability in oxygen reduction reaction (ORR) catalysis. However, the contribution of different types of N-doped graphene to ORR activity remains in dispute. Based on this issue...
2016, 32(1): 329-336
doi: 10.3866/PKU.WHXB201511031
Abstract:
Unlocking the dynamics of the evolution of the excited state at the complicated titania/dye/ electrolyte interface in organic dye-sensitized solar cells is crucial to provide a basis for the rational design of low-energy-gap organic photosensitizers....
Unlocking the dynamics of the evolution of the excited state at the complicated titania/dye/ electrolyte interface in organic dye-sensitized solar cells is crucial to provide a basis for the rational design of low-energy-gap organic photosensitizers....
2016, 32(1): 337-342
doi: 10.3866/PKU.WHXB201509144
Abstract:
We designed and synthesized carbon-supported cubic Pt3Ni nanoparticles (NPs) with Pd monolayer shells (Pt3Ni@Pd/C) by a two-step method: generally, CO-assisted preparation of cubic Pt3Ni NPs, Pd monolayer deposition through underpotential deposition ...
We designed and synthesized carbon-supported cubic Pt3Ni nanoparticles (NPs) with Pd monolayer shells (Pt3Ni@Pd/C) by a two-step method: generally, CO-assisted preparation of cubic Pt3Ni NPs, Pd monolayer deposition through underpotential deposition ...
2016, 32(1): 343-348
doi: 10.3866/PKU.WHXB201510133
Abstract:
One of the major challenges with Li-O2 batteries is that the discharge product, Li2O2, blocks the gas pathway because of its poor solubility in aprotic solvents. In this work, 12-crown-4 ether was used as an additive to capture Li+, and its influence...
One of the major challenges with Li-O2 batteries is that the discharge product, Li2O2, blocks the gas pathway because of its poor solubility in aprotic solvents. In this work, 12-crown-4 ether was used as an additive to capture Li+, and its influence...
2016, 32(1): 349-355
doi: 10.3866/PKU.WHXB201512073
Abstract:
We report on the in-situ preparation of Na2Ti3O7 nanosheets and their application as highperformance anode material for sodium ion batteries. Nanosheets with interconnected micro-nano architectures are prepared by simply engraving commercial titanium...
We report on the in-situ preparation of Na2Ti3O7 nanosheets and their application as highperformance anode material for sodium ion batteries. Nanosheets with interconnected micro-nano architectures are prepared by simply engraving commercial titanium...
2016, 32(1): 356-364
doi: 10.3866/PKU.WHXB201512012
Abstract:
The critical micelle concentrations of binary systems of surface active ionic liquid lauryl isoquinolium bromide ([C12iQuin]Br) with nonionic surfactant Triton X-100 in aqueous solution were investigated by isothermal titration calorimetry. The locat...
The critical micelle concentrations of binary systems of surface active ionic liquid lauryl isoquinolium bromide ([C12iQuin]Br) with nonionic surfactant Triton X-100 in aqueous solution were investigated by isothermal titration calorimetry. The locat...
2016, 32(1): 365-372
doi: 10.3866/PKU.WHXB201511102
Abstract:
Hydrolyzed polyacrylamides (HPAMs) are shear-thinning polymers and have wide application in enhanced oil recovery (EOR), whereas worm-like micelles (WLMs) are known as “living polymers”, which can be constructed by the self-assembly of surfactant mol...
Hydrolyzed polyacrylamides (HPAMs) are shear-thinning polymers and have wide application in enhanced oil recovery (EOR), whereas worm-like micelles (WLMs) are known as “living polymers”, which can be constructed by the self-assembly of surfactant mol...
2016, 32(1): 373-379
doi: 10.3866/PKU.WHXB201511091
Abstract:
A new and optically stable fluorescent derivative (OPBMQ) of 1,4-bis(phenylethynyl)benzene (BPEB) with 8-hydroxyquinoline (8-HQ) as a capturing unit and cholesterol (Chol) as an auxiliary structure was designed and synthesized. Fluorescence studies d...
A new and optically stable fluorescent derivative (OPBMQ) of 1,4-bis(phenylethynyl)benzene (BPEB) with 8-hydroxyquinoline (8-HQ) as a capturing unit and cholesterol (Chol) as an auxiliary structure was designed and synthesized. Fluorescence studies d...
2016, 32(1): 380-390
doi: 10.3866/PKU.WHXB201511193
Abstract:
Rich phase behavior was observed in salt-free cationic/anionic (catanionic) surfactant mixtures of lauric acid (LA) with a nonionic surfactant, tetradecyldimethylamine oxide (C14DMAO), in water. The phase behavior and microstructures of the LA/C14DMA...
Rich phase behavior was observed in salt-free cationic/anionic (catanionic) surfactant mixtures of lauric acid (LA) with a nonionic surfactant, tetradecyldimethylamine oxide (C14DMAO), in water. The phase behavior and microstructures of the LA/C14DMA...
