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Article
Homojunction and ohmic contact coexisting carbon nitride for efficient photocatalytic hydrogen evolution
Carbon nitride (CN) has attracted intensive attention as a visible light photocatalyst, but the rapid recombination of photogenerated charge carriers limits its photocatalytic activity. Herein, we develop a ne...
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Article
Engineering upconverting core-shell nano-probe for spectral responsive fluid velocimetry
Particle velocimetry based on the temporal feature of upconversion luminescent nanocrystals is a newly-raising fluid velocimetry. Exploiting the availability to low flow rate fluid and exempting redundance ext...
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Article
A quasi-solid-state electrolyte with high ionic conductivity for stable lithium-ion batteries
The practical applications of solid-state electrolytes in lithium-ion batteries (LIBs) are hindered by their low ionic conductivity and high interfacial resistance. Herein, an ethoxylated trimethylolpropane tr...
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Article
Open AccessSpin filtering effect in all-van der Waals heterostructures with WSe2 barriers
Exploiting the spin degree of freedom to store and manipulate information provides a paradigm for future microelectronics. The development of van der Waals (vdW) heterostructures has created a fascinating plat...
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Article
Dissolution and Reprecipitation of Sulfur on Carbon Surface
A better understanding of the redox process of lithium polysulfide (LPS) on carbon surfaces is helpful for designing Li/S batteries with better performance. The “shuttle mechanism” can explain the low coulomb ...
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Article
Open AccessCompact ultrabroadband light-emitting diodes based on lanthanide-doped lead-free double perovskites
Impurity do** is an effective approach to tuning the optoelectronic performance of host materials by imparting extrinsic electronic channels. Herein, a family of lanthanide (Ln3+) ions was successfully incorpor...
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Article
A novel mechanism on discharge-charge process in Li/S batteries
Fundamental understanding on reaction mechanism of a working Li/S system is of great significance to design better batteries. In view of the importance of lithium polysulfides (PSs) in the working process of b...
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Article
Open AccessInkjet-printed unclonable quantum dot fluorescent anti-counterfeiting labels with artificial intelligence authentication
An ideal anti-counterfeiting technique has to be inexpensive, mass-producible, nondestructive, unclonable and convenient for authentication. Although many anti-counterfeiting technologies have been developed, ...
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Article
Open AccessPhase controlled SERS enhancement
Surface-enhanced Raman spectroscopy (SERS) has attracted increasing interest for chemical and biochemical sensing. Several studies have shown that SERS intensities are significantly increased when an optical i...
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Article
Open AccessReversible gating of smart plasmonic molecular traps using thermoresponsive polymers for single-molecule detection
Single-molecule surface-enhanced Raman spectroscopy (SERS) has attracted increasing interest for chemical and biochemical sensing. Many conventional substrates have a broad distribution of SERS enhancements, w...
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Article
Water–Gas Shift Reaction over CuO/CeO2 Catalysts: Effect of the Thermal Stability and Oxygen Vacancies of CeO2 Supports Previously Prepared by Different Methods
A series of CuO/CeO2 catalysts were prepared through a two-step process: (1) CeO2 supports were firstly prepared by precipitation (P), hydrothermal (HT) and sol-gel (SG) methods, respectively; and (2) CuO was dep...
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Article
Study on the photocatalytic degradation of methyl orange in water using Ag/ZnO as catalyst by liquid chromatography electrospray ionization ion-trap mass spectrometry
A nanocrystal catalyst Ag/ZnO was successfully synthesized using a simple solvothermal method in this study. This catalyst was characterized by X-ray diffraction (XRD) and transmission electron microscopy (TEM...
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Article
Water–Gas Shift Reaction Over Aluminum Promoted Cu/CeO2 Nanocatalysts Characterized by XRD, BET, TPR and Cyclic Voltammetry (CV)
A series of aluminum promoted Cu/CeO2 nanocatalysts with aluminum content in the range of 0–5wt.% were prepared by co-precipitation method and examined with respect to their catalytic performance for the water–ga...
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Article
Influence of modifying additives on the catalytic activity and stability of Au/Fe2O3–MO x catalysts for the WGS reaction
The activity and stability of Au/Fe2O3–MO x catalysts (M = Zr, Mg, Ca, Ni, La, Cu, Zn, Al, Ba, Cr, Co, Ce, Mo, Bi, Ti, Mn) in water-gas shift reaction were investigated extensiv...
