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The use of non‐equilibrium growth modes with non‐steady dynamics is extensively explored in bulk materials such as amorphous and polycrystalline materials. Yet, research into the non‐steady‐state (NSS) growth of two‐dimensional (2D) materials is still in its infancy. In this study, multilayered tin selenide (SnSe2) nanoplates are grown by chemical vapor deposition under NSS conditions (modulating...
Fog, frost, ice, and other natural phenomena can inevitably affect human life and the function of equipment. Therefore, removal or prevention is an urgent problem to be solved. As a new type of 2D material, graphene possesses great application potential in defogging and antiicing. In this work, a graphene film with intentionally increased defects and uniformly distributed wrinkles is synthesized on...
Flexible strain sensors can detect physical signals (e.g., temperature, humidity, and flow) by sensing electrical deviation under dynamic deformation, and they have been used in diverse fields such as human motion detection, medical care, speech recognition, and robotics. Existing sensing materials have relatively low adaptability and durability and are not stretchable and flexible enough for complex...
Portable humidity sensors with ultrafast responses fabricated in wearable devices have promising application prospects in disease diagnostics, health status monitoring, and personal healthcare data collecting. However, prolonged exposures to high‐humidity environments usually cause device degradation or failure due to excessive water adsorbed on the sensor surface. In the present work, a graphene...
A graphene/n‐type silicon (n‐Si) heterojunction has been demonstrated to exhibit strong rectifying behavior and high photoresponsivity, which can be utilized for the development of high‐performance photodetectors. However, graphene/n‐Si heterojunction photodetectors reported previously suffer from relatively low specific detectivity due to large dark current. Here, by introducing a thin interfacial...
Highly sensitive photodetectors based on a graphene‐silicon heterojunction with interface improvements are demonstrated by X. M. Li, H. W. Zhu, Y. Fang, and co‐workers on page 595. By introducing a thin, interfacial oxide layer for dark current suppression, the graphene‐silicon photodetector exhibits the highest‐reported detectivity for a planar graphene‐silicon heterojunction photodetector. This...
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