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Title: Nanoparticles Incorporated inside Single-Crystals: Enhanced Fluorescent Properties

Journal Article · · Chemistry of Materials
 [1];  [2];  [3];  [3];  [4];  [3];  [3];  [5];  [6];  [4]; ORCiD logo [7];  [3];  [3]
  1. Zhejiang Univ., Hangzhou (China). Ministry of Education, Key Lab. of Macromolecular Synthesis and Functionalization, State Key Lab. of Silicon Materials and Dept. of Polymer Science and Engineering; Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN); Los Alamos National Lab. (LANL), Los Alamos, NM (United States). Center for Advanced Solar Photophysics and Chemistry Division
  3. Zhejiang Univ., Hangzhou (China). Ministry of Education, Key Lab. of Macromolecular Synthesis and Functionalization, State Key Lab. of Silicon Materials and Dept. of Polymer Science and Engineering
  4. Zhejiang Univ., Hangzhou (China). State Key Lab. of Silicon Materials and Center of Electron Microscopy, Dept. of Materials Science and Engineering
  5. Jilin Univ., Changchun (China). State Key Lab. of Supramolecular Structure and Materials and College of Chemistry
  6. Jilin Univ., Changchun (China). State Key Lab. on Integrated Optoelectronics and College of Electronic Science and Engineering
  7. Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)

Incorporation of guest materials inside single-crystalline hosts leads to single-crystal composites that have become more and more frequently seen in both biogenic and synthetic crystals. The unique composite structure together with long-range ordering promises special properties that are, however, less often demonstrated. In this study, we examine the fluorescent properties of quantum dots (QDs) and polymer dots (Pdots) encapsulated inside the hosts of calcite single-crystals. Two CdTe QDs and two Pdots are incorporated into growing calcite crystals, as the QDs and Pdots are dispersed in the crystallization media of agarose gels. As a result, enhanced fluorescent properties are obtained from the QDs and Pdots inside calcite single-crystals with greatly improved photostability and significantly prolonged fluorescence lifetime, compared to those in solutions and gels. Particularly, the fluorescence lifetime increases by 0.5-1.6 times after the QDs or Pdots are incorporated. The enhanced fluorescent properties indicate the advantages of encapsulation by single-crystal hosts that provide dense shells to isolate the fluorescent nanoparticles from atmosphere. As such, this work has implications for advancing the research of single-crystal composites toward their functional design.

Research Organization:
Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES); National Natural Science Foundation of China (NSFC); China Scholarship Council
Grant/Contract Number:
SC0012704; 2014CB643503; 51373150; 51461165301; LZ13E030002
OSTI ID:
1431450
Report Number(s):
BNL-203450-2018-JAAM; TRN: US1803018
Journal Information:
Chemistry of Materials, Vol. 28, Issue 20; ISSN 0897-4756
Publisher:
American Chemical Society (ACS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 39 works
Citation information provided by
Web of Science

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Cited By (13)

How Many Phosphoric Acid Units Are Required to Ensure Uniform Occlusion of Sterically Stabilized Nanoparticles within Calcite? journal June 2019
Super‐Resolution Microscopy Reveals Shape and Distribution of Dislocations in Single‐Crystal Nanocomposites journal November 2019
Efficient occlusion of oil droplets within calcite crystals journal January 2019
Super‐Resolution Microscopy Reveals Shape and Distribution of Dislocations in Single‐Crystal Nanocomposites journal November 2019
Bionic synthesis of a magnetic calcite skeletal structure through living foraminifera journal January 2019
Spatially Controlled Occlusion of Polymer-Stabilized Gold Nanoparticles within ZnO journal February 2019
Scattering and absorption differ drastically in their inner filter effects on fluorescence, resonance synchronous, and polarized resonance synchronous spectroscopic measurements journal January 2018
Anionic block copolymer vesicles act as Trojan horses to enable efficient occlusion of guest species into host calcite crystals journal January 2018
Hydroxyl-rich macromolecules enable the bio-inspired synthesis of single crystal nanocomposites journal December 2019
Ptychographic X-ray tomography reveals additive zoning in nanocomposite single crystals journal January 2020
Spatially Controlled Occlusion of Polymer‐Stabilized Gold Nanoparticles within ZnO journal February 2019
How Many Phosphoric Acid Units Are Required to Ensure Uniform Occlusion of Sterically Stabilized Nanoparticles within Calcite? journal May 2019
Ptychographic X-ray tomography reveals additive zoning in nanocomposite single crystals text January 2020

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