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Article
Efficient and stable organic solar cells enabled by a poly(carbazole phosphonic acid) hole transporter
Conventional self-assembled monolayer (SAM) hole transporters in organic solar cells (OSCs) generally suffer from poor uniformity and limited thickness tolerance, hindering their large-scale production. To ove...
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Article
Open AccessAuxiliary sequential deposition enables 19%-efficiency organic solar cells processed from halogen-free solvents
High-efficiency organic solar cells are often achieved using toxic halogenated solvents and additives that are constrained in organic solar cells industry. Therefore, it is important to develop materials or pr...
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Article
SnSe nanosheet hybridized with reduced graphene oxide for enhanced hydrogen revolution reaction
SnSe with layered structure, as a member of 2D materials and transition metal chalcogenides, is a promising candidate of electrocatalyst for hydrogen evolution. Reduced graphene oxide (RGO) is an excellent sub...
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Article
Over 18% binary organic solar cells enabled by isomerization of non-fullerene acceptors with alkylthiophene side chains
Side-chain engineering has been demonstrated as an effective method for fine-tuning the optical, electrical, and morphological properties of organic semiconductors toward efficient organic solar cells (OSCs). ...
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Article
Bi2Se3 nanosheets hybridized with reduced graphene oxide for enhanced photoelectrochemical activity
In this report, two-dimensional (2D) bismuth selenide (Bi2Se3) nanosheets (NSs) and reduced graphene oxide (rGO) (Bi2Se3/rGO) composites have been prepared via a hydrothermal method. The microstructures and morph...
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Article
Robust transport of charge carriers in in-plane 1T′-2H MoTe2 homojunctions with ohmic contact
Metal-semiconductor ohmic contacts are required to reduce the energy dissipation for two-dimensional (2D) electronic devices, and phase engineering of 2D transition-metal dichalcogenides (TMDCs) is a promising...
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Article
Open AccessLarge-area integration of two-dimensional materials and their heterostructures by wafer bonding
Integrating two-dimensional (2D) materials into semiconductor manufacturing lines is essential to exploit their material properties in a wide range of application areas. However, current approaches are not com...
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Article
Improving open-circuit voltage by a chlorinated polymer donor endows binary organic solar cells efficiencies over 17%
Power conversion efficiency (PCE) of single-junction polymer solar cells (PSCs) has made a remarkable breakthrough recently. Plenty of work was reported to achieve PCEs higher than 16% derived from the PM6:Y6 ...
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Article
Photoresponse improvement in liquid-exfoliated SnSe nanosheets by reduced graphene oxide hybridization
The SnSe/reduced graphene oxide (SnSe/RGO) hybrid was synthesized by a simple hydrothermal reduction method using tin selenide (SnSe) nanosheets (NSs) and graphene oxide (GO), in which the two-dimensional SnSe...
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Article
Re-engineering the two-component systems as light-regulated in Escherichia coli
Bacteria live in environments with dynamic changes. To sense and respond to different external stimuli, bacteria make use of various sensor-response circuits, called two-component systems (TCSs). A TCS compris...
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Article
User-oriented cloud resource scheduling with feedback integration
Resource scheduling has been one of the key challenges facing both academia and industry ever since the inauguration of cloud computing. Most of the existing research and practices have been focused on the max...
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Chapter and Conference Paper
Appropriate Feature Selection and Post-processing for the Recognition of Artificial Pornographic Images in Social Networks
Spreading and transmitting pornographic images over the Internet in the form of either real or artificial images is illegal and harmful to teenagers. Because traditional methods are primarily designed to ident...
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Article
A fast template matching-based algorithm for railway bolts detection
Railway bolts detection is an important task in railway maintenance and some techniques based on traditional feature extraction and classification have been used in this application. However, these techniques ...
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Article
Railroad online: acquiring and visualizing route panoramas of rail scenes
A patrol type of surveillance has been performed everywhere from police city patrol to railway inspection. Different from static cameras or sensors distributed in a space, such surveillance has its benefits of...
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Article
Open AccessA computational coding model for saliency detection in primary visual cortex
This study researches the coding model adaptive for information processing of the bottom-up attention mechanism. We constructed a coding model satisfying the neurobiological constraints of the primary visual c...
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Article
Learning Topographic Representations of Nature Images with Pairwise Cumulant
In this paper, we propose a model for natural images to learn topographic representations and complex cell properties. Different from the estimation of traditional models, e.g., pooling the outputs of filters ...
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Chapter and Conference Paper
GPU Accelerated Fourier Cross Correlation Computation and Its Application in Template Matching
The correlation is an important tool during image processing and pattern recognition, and also widely applied in other image-related fields. The correlation between two images (cross correlation) is deemed as ...
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Chapter and Conference Paper
Normalized Joint Mutual Information Measure for Image Segmentation Evaluation with Multiple Ground-Truth Images
Supervised or ground-truth-based image segmentation evaluation paradigm plays an important role in objectively evaluating segmentation algorithms. So far, many evaluation methods in terms of comparing clusteri...
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Chapter
Combining Bag of Words Model and Information Theoretic Method for Image Clustering
In the computer vision research field, the “Bag of Words” model is known as a popular method for image representation. The Information Bottleneck principle derived from the rate-distortion theory in basic info...
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Chapter and Conference Paper
A Novel Object Categorization Model with Implicit Local Spatial Relationship
Object categorization is an important problem in computer vision. The bag-of-words approach has gained much research in object categorization, which has shown state-of-art performance. This bag-of-words(BOW) a...
