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Title: Bulk assembly of organic metal halide nanotubes

Journal Article · · Chemical Science
DOI: https://doi.org/10.1039/c7sc03675b · OSTI ID:1410201

The organic metal halide hybrids welcome a new member with a one-dimensional (1D) tubular structure. Herein we report the synthesis and characterization of a single crystalline bulk assembly of organic metal halide nanotubes, (C6H13N4)3Pb2Br7. In a metal halide nanotube, six face-sharing metal halide dimers (Pb2Br95–) connect at the corners to form rings that extend in one dimension, of which the inside and outside surfaces are coated with protonated hexamethylenetetramine (HMTA) cations (C6H13N4+). This unique 1D tubular structure possesses highly localized electronic states with strong quantum confinement, resulting in the formation of self-trapped excitons that give strongly Stokes shifted broadband yellowish-white emission with a photoluminescence quantum efficiency (PLQE) of ~7%. Finally, having realized single crystalline bulk assemblies of two-dimensional (2D) wells, 1D wires, and now 1D tubes using organic metal halide hybrids, our work significantly advances the research on bulk assemblies of quantum-confined materials.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1410201
Journal Information:
Chemical Science, Vol. 8, Issue 12; ISSN 2041-6520
Publisher:
Royal Society of ChemistryCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 69 works
Citation information provided by
Web of Science

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Cited By (10)

Microwave Absorption of Organic Metal Halide Nanotubes journal December 2019
Bulk Assembly of Corrugated 1D Metal Halides with Broadband Yellow Emission journal December 2018
Spintronics of Hybrid Organic–Inorganic Perovskites: Miraculous Basis of Integrated Optoelectronic Devices journal June 2019
Negative Thermal Quenching of Efficient White‐Light Emission in a 1D Ladder‐Like Organic/Inorganic Hybrid Material journal July 2019
Intrinsic White‐Light‐Emitting Metal–Organic Frameworks with Structurally Deformable Secondary Building Units journal April 2019
Intrinsic White-Light-Emitting Metal-Organic Frameworks with Structurally Deformable Secondary Building Units journal April 2019
Semiconducting crystalline inorganic–organic hybrid metal halide nanochains journal January 2020
Direct emission from quartet excited states triggered by upconversion phenomena in solid-phase synthesized fluorescent lead-free organic–inorganic hybrid compounds journal January 2019
White light emission in low-dimensional perovskites journal January 2019
A three-dimensional cuprous lead bromide framework with highly efficient and stable thermochromic luminescence properties journal January 2020


Figures / Tables (4)