Lingling Kong

Jan 22, 2024 | onlinelibrary.wiley.com | Wei He |Dong Wu |Lingling Kong |Peng Yu

The positive photoconductive (PPC) effect is a well-established primary detection mechanism employed by photodetectors. In contrast, the negative photoconductive (NPC) effect has not been extensively investigated thus far, and research on the NPC effect is still in its early stage. Herein, a quaternary van der Waals material, AgBiP2Se6 atomic layers, is discovered to achieve a giant NPC effect.

Sep 4, 2023 | frontiersin.org | Sichuan Academy |Yao Xu |Lingling Kong |Anh Tran

1 IntroductionAntenatal depression has received increasing attention in recent years. According to recent estimates, the prevalence of antenatal depression in high-income countries ranges from 7 to 20% (Andersson et al., 2003; Melville et al., 2010), and in low and middle-income countries, the prevalence is greater than 20% (Gavin et al., 2011; Husain et al., 2012).