Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Fluorescent compositions

Patent ·
OSTI ID:1632464

A fluorescent composition includes at least one of a fluorescent sensor compound and organic reporter molecules encapsulated in a microsphere structure. When encapsulated, the fluorescent sensor compound and the organic reporter molecules are distributed in a liquid organic matrix. When non-encapsulated, the remaining one of the fluorescent sensor compound and the organic reporter molecules reside in the matrix. In response to a force applied to the composition sufficient to break at least a portion of the microsphere structure, the fluorescent sensor compound and the organic reporter molecules are transformed into a non-reversible fluorescent state exhibiting a quantum yield greater than 0.2. The fluorescent state is objectively visually verifiable without physically contacting the composition.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000; NA0003525
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
10,538,701
Application Number:
15/898,906
OSTI ID:
1632464
Country of Publication:
United States
Language:
English

References (3)

Control of stilbene conformation and fluorescence in self-assembled capsules journal January 2009
Visual Indication of Mechanical Damage Using Core–Shell Microcapsules journal December 2011
A Robust Damage-Reporting Strategy for Polymeric Materials Enabled by Aggregation-Induced Emission journal August 2016

Similar Records

Fluorescent compositions
Patent · 2021 · OSTI ID:1840328

Fluorescent compositions
Patent · 2023 · OSTI ID:1998494

Safe biodegradable fluorescent particles
Patent · 2010 · OSTI ID:991732