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Related Experiment Video

Updated: Jul 10, 2026

Microfluidic Chips for In Situ Crystal X-ray Diffraction and In Situ Dynamic Light Scattering for Serial Crystallography
11:48

Microfluidic Chips for In Situ Crystal X-ray Diffraction and In Situ Dynamic Light Scattering for Serial Crystallography

Published on: April 24, 2018

Interface-Directed High Fluorescence Efficiency Two-Dimensional Molecular Crystals With Surface-Exposed Active Sites.

Shuya Liu1,2, Yueqiang Zhang3, Chuanqin Cheng4

  • 1Institute of Resources and Environment Innovation, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, Shandong, P. R. China.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|July 9, 2026
PubMed
Summary

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Researchers developed oriented 2D molecular crystals for ultrasensitive dimethyl sulfide (DMS) detection. This strategy enhances sensor performance by exposing more active sites while maintaining high photoluminescence.

Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Sensing

Background:

  • Two-dimensional (2D) molecular crystals possess a high surface-to-volume ratio, beneficial for applications.
  • Controlled oriented growth of 2D crystals to maximize active site exposure is a significant challenge.

Purpose of the Study:

  • To develop a strategy for oriented growth of 2D molecular crystals.
  • To create a high-performance sensor for dimethyl sulfide (DMS) detection.

Main Methods:

  • Combining molecular design with interfacial assembly to achieve oriented growth of Me-FBSe 2D crystals.
  • Characterizing the photoluminescence quantum yield and surface active sites.
  • Testing the sensor's sensitivity and reliability for DMS detection in vapor and aqueous environments.
Keywords:
chalcogen bondingcrystal engineeringdimethyl sulfide (DMS)fluorescence sensingtwo‐dimensional (2D) molecular crystals

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Last Updated: Jul 10, 2026

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Published on: April 24, 2018

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Main Results:

  • Achieved oriented formation of Me-FBSe 2D crystals with high photoluminescence quantum yield.
  • Engineered high-density surface exposure of active sites.
  • Developed an ultrasensitive DMS sensor with a detection limit of 50 ppb for vapor and 100 ppb in aqueous samples via headspace analysis.

Conclusions:

  • The developed strategy enables directional exposure of functional groups in 2D molecular crystals.
  • This approach yields high-performance sensors with integrated luminescence efficiency and accessible active sites.
  • Demonstrated practical applicability of the sensor for environmental monitoring.