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Related Experiment Video

Updated: Oct 19, 2025

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

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

Published on: April 24, 2018

Organic Semiconductor Single Crystals for X-ray Imaging.

Mingxi Chen¹, Lingjie Sun¹, Xiangyu Ou²

¹Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, School of Sciences, Tianjin University, Tianjin, 300072, China.

Advanced Materials (Deerfield Beach, Fla.)

|September 21, 2021

Summary

This summary is machine-generated.

New organic semiconductor crystals offer a low-cost, highly sensitive alternative for X-ray imaging. These materials provide excellent resolution and stability for advanced medical diagnostics and material analysis.

Keywords:

X-ray imaging indirect X-ray detection organic semiconductor single crystals

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Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures

Ohmic Contact Fabrication Using a Focused-ion Beam Technique and Electrical Characterization for Layer Semiconductor Nanostructures

Published on: December 5, 2015

Area of Science:

Materials Science
Condensed Matter Physics
Medical Imaging Technology

Background:

Current X-ray imaging relies on expensive inorganic materials synthesized at high temperatures.
Existing technologies often involve heavy metals and lack cost-effectiveness and environmental stability.
There is a critical need for novel X-ray imager materials with low-temperature processing, high sensitivity, and stability.

Purpose of the Study:

To explore organic semiconductors as potential materials for advanced X-ray imaging.
To demonstrate the feasibility of using 9,10-diphenylanthracene (9,10-DPA) single crystals for X-ray detection.
To evaluate the performance metrics of organic crystal-based X-ray imagers.

Main Methods:

Growth of 9,10-diphenylanthracene (9,10-DPA) single crystals using low-temperature solution processes.
Characterization of X-ray radioluminescence properties, including photon-conversion efficiency and response time.
Assessment of imaging resolution, stability under X-ray irradiation, and environmental resilience.

Main Results:

9,10-DPA single crystals exhibit intense X-ray radioluminescence with ultrahigh photon-conversion efficiency.
Devices achieved an imaging resolution exceeding 20.00 line pairs per millimeter (lp mm^-1).
The organic crystals demonstrated ultrafast response, high sensitivity, and robust performance under prolonged X-ray exposure and varying environmental conditions.

Conclusions:

Organic semiconductors, exemplified by 9,10-DPA crystals, are promising for developing low-cost, high-sensitivity X-ray imaging systems.
Low-temperature solution processing offers a significant advantage over traditional high-temperature methods for X-ray imager fabrication.
This research paves the way for next-generation, environmentally stable, and cost-effective X-ray imaging solutions in medical and material science applications.