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Article
High-performance broadband photodetector based on PtSe2/MoS2 heterojunction from visible to near-infrared region
Broadband photodetectors based on narrow bandgap 2D materials have garnered considerable interest for application in the field of optoelectronic devices. However, their large dark current hinders device perfor...
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Article
Open AccessSynergistic-potential engineering enables high-efficiency graphene photodetectors for near- to mid-infrared light
High quantum efficiency and wide-band detection capability are the major thrusts of infrared sensing technology. However, bulk materials with high efficiency have consistently encountered challenges in integra...
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Article
Open AccessPhotogating-assisted tunneling boosts the responsivity and speed of heterogeneous WSe2/Ta2NiSe5 photodetectors
Photogating effect is the dominant mechanism of most high-responsivity two-dimensional (2D) material photodetectors. However, the ultrahigh responsivities in those devices are intrinsically at the cost of very...
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Article
Open AccessVisible to mid-infrared giant in-plane optical anisotropy in ternary van der Waals crystals
Birefringence is at the heart of photonic applications. Layered van der Waals materials inherently support considerable out-of-plane birefringence. However, funnelling light into their small nanoscale area par...
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Article
Perovskite bridging PbS quantum dot/polymer interface enables efficient solar cells
Conjugated polymers have been explored as promising hole-transporting layer (HTL) in lead sulfide (PbS) quantum dot (QD) solar cells. The fine regulation of the inorganic/organic interface is pivotal to realiz...
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Article
Effects of interlayer coupling on the excitons and electronic structures of WS2/hBN/MoS2 van der Waals heterostructures
Inserting hexagonal boron nitride (hBN) as barrier layers into bilayer transition metal dichalcogenides heterointerface has been proved an efficient method to improve two dimensional tunneling optoelectronic d...
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Article
Efficient graphene in-plane homogeneous p-n-p junction based infrared photodetectors with low dark current
Graphene-based photodetectors have drawn a large amount of interests owing to its wide spectral response, however, the high dark current greatly limits their applications. In this study, we develop an efficien...
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Article
Broad spectral tuning of ultra-low-loss polaritons in a van der Waals crystal by intercalation
Phonon polaritons—light coupled to lattice vibrations—in polar van der Waals crystals are promising candidates for controlling the flow of energy on the nanoscale due to their strong field confinement, anisotr...
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Article
Highly stable and repeatable femtosecond soliton pulse generation from saturable absorbers based on two-dimensional Cu3−xP nanocrystals
Heavily doped colloidal plasmonic nanocrystals have attracted great attention because of their lower and adjustable free carrier densities and tunable localized surface plasmonic resonance bands in the spectra...
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Article
mRNA expression of CYP4 in marine polychaete Marphysa sanguinea in response to benzo[a]pyrene
Rapid amplification of cDNA ends (RACE) and real-time polymerase chain reaction (RT-PCR) were carried out to analyze the CYP4 gene expression in polychaete Marphysa sanguinea exposed to benzo[a]pyrene (BaP) in th...
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Article
In-plane anisotropic and ultra-low-loss polaritons in a natural van der Waals crystal
Polaritons—hybrid light–matter excitations—enable nanoscale control of light. Particularly large polariton field confinement and long lifetimes can be found in graphene and materials consisting of two-dimensio...
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Article
Optimized orbitrap HCD for quantitative analysis of phosphopeptides
Despite the tremendous commercial success of radio frequency quadrupole ion traps for bottom-up proteomics studies, there is growing evidence that peptides decorated with labile post-translational modification...
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Article
The variation and regional differences of precipitation in the Longitudinal Range-Gorge the Region
This paper examines the regional differences of precipitation in the Longitudinal Range-Gorge Region (LRGR) based on the daily rainfall records during 1960 to 2001 observed at 36 meteorological stations. The r...
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Article
Comparison of spatial-temporal distribution characteristics of water temperatures between Lancang River and Mekong River
Water temperature (WT) is one of the important indicators of water body physical properties. Understanding the characteristics of spatial-temporal variation on WT in the river continuum will help to develop th...
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Article
Open AccessPhylophenetic properties of metabolic pathway topologies as revealed by global analysis
As phenotypic features derived from heritable characters, the topologies of metabolic pathways contain both phylogenetic and phenetic components. In the post-genomic era, it is possible to measure the "phyloph...
