Porous direct Z-scheme heterostructures of S-deficient CoS/CdS hexagonal nanoplates for robust photocatalytic H₂ generation

Abstract

Photocatalytic water-splitting with Z-scheme semiconductor heterojunctions is a promising way to achieve renewable solar fuels. Nevertheless, developing earth-abundant direct Z-scheme photocatalytic systems for efficient H2 production is still under-developed. In...

PAA‐PU Janus Hydrogels Stabilized by Janus Particles and its Interfacial Performance During Hemostatic Processing

“…Urushiol distributed on the upper layer was oxidized to form a quinone structure, which made the top color hydrogel darker than the bottom layer obviously. [ 39 ] The microstructure and elemental distribution of JPs@PAA‐PU Janus hydrogel after freeze‐drying were investigated by SEM. Figure a–c shows the SEM cross‐section image of JPs@PAA‐PU Janus hydrogel, which exhibits an asymmetric microstructure.…”

CoP-Embedded Graphitic N-Doped C Nanosheets in Ohmic Contact with S-Deficient CdS Nanocrystals Triggering Efficient Visible-Light Photocatalytic H2 Evolution

“…We can notice from Figure b that a new Co 2p peak at 783.7 eV appears in the 70%-CdS/CoP-CN composite, which could be ascribed to the Co–S species derived from the chemical bonding of CdS and CoP-CN. Moreover, the S 2p spectrum of 70%-CdS/CoP-CN exhibits one set of additional doublet signals at 162.5–163.3 eV besides the doublet peaks of 161.0–162.2 eV belonging to S 2– ions (Figure c), consistent with that of S 2 2– species present in CoS, implying that Co–S bonds are generated after the integration of CdS and CoP-CN. In addition, the P 2p, C 1s, and N 1s spectra (Figure d–f) of 70%-CdS/CoP-CN confirm that the chemical valence states of the P, C, and N elements are preserved after the hybridization reaction.…”

College students’ perceptions of AI-based writing learning tools: With a focus on Google Translate, Naver Papago, and Grammarly

“…InceptionNeXt [91] adopted the inception module [65] inside ConvNeXt to show improved performance. HorNet [57] and MogaNet [42] both have presented remarkable performance by employing multiple gated convolution and multi-level features, respectively, which also took advantage of multi-scale features for globality.…”

“…We employ contemporary strategies that synergize with DenseNets as well. Our methodology eventually exceeds strong modern architectures [21,25,42,45,57,97] and some milestones like Swin Transformer [47], ConvNeXt [48], and DeiT-III [71] in performance trade-offs on ImageNet-1K [59]. Our models demonstrate competitive performance on downstream tasks such as ADE20K semantic segmentation and COCO object detection/instance segmentation.…”