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Author

Guo-Cong Guo

2 papers indexed here

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Oct 2026

Self-Assembly of a Carboxyl -Bipyridinium Zwitterion into a High-Performance Photoswitchable NLO Crystal

Efficient photoswitchable second-order nonlinear optical (NLO) materials are highly attractive for optical signal processing. However, achieving high-performance switching in molecular crystals remains challenging, requiring simultaneous optimization of response speed (<120 s saturation), modulation depth (∼90%), and...

Pei-Xin Li, Wei-Long Zhang, Shu-Juan Lin et al. · 0 citations
Sep 2026

A Twisted σ-Bond Mediated by a Lone-Pair in Elemental Sulfur

The lone pair is a foundational concept in chemistry, classically regarded as a localized, nonbonding entity. However, a persistent anomaly in elemental sulfur (S8) challenges this view: the observed electron density along the S–S bond shows a bimodal distribution that is irreconcilable with a single-peak theoretical...

Long-Qi Yang, Xiao-Ming Jiang, Fa-Kun Zheng et al. · 0 citations

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