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Conventional two‐dimensional electron gas (2DEG) typically occurs at the interface of semiconductor heterostructures and noble metal surfaces, but it is scarcely observed in individual 2D semiconductors. In this study, few‐layer gallium selenide (GaSe) grown on highly ordered pyrolytic graphite (HOPG) is demonstrated using scanning tunneling microscopy and spectroscopy (STM/STS), revealing that the...
In article number 2007051, Shuo Shi, Chunyan Dong, and co‐workers present a stimuli‐responsive multifunctional anti‐tumor nanoplatform. Its photothermal effect ablates local tumor cells while strengthening infiltration of T lymphocytes. The released AUNP‐12 and PQ912 remarkably relieve both the innate and adaptive immunosuppression in the tumor microenvironment. The synergized photothermal and dual...
Immune checkpoint inhibitor (ICI) therapy is considered to be a revolutionary anti‐tumor strategy that may surpass other traditional therapies. Breast cancer is particularly suitable for it theoretically due to upregulation of programmed cell death 1 (PD‐1) / programmed cell death ligand 1 (PD‐L1) immune checkpoint pathway which exhausts the adaptive immune response mediated by T lymphocytes. However,...
A new hole transporting material (HTM) named DMZ is synthesized and employed as a dopant‐free HTM in inverted planar perovskite solar cells (PSCs). Systematic studies demonstrate that the thickness of the hole transporting layer can effectively enhance the morphology and crystallinity of the perovskite layer, leading to low series resistance and less defects in the crystal. As a result, the champion...
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