Quantum Dot Formation through Controlled Hybrid Perovskite Decomposition within Metal Organic Framework Glass
Source abstract
Abstract
Developing quantum dots (QDs) with robust and stable photoluminescence are critical for the advancement of optical nanomaterials. However, QD synthesis still usually involves complex nucleation, growth, surface capping, and separation procedures. Herein, we present an approach to generating embedded PbI 2 QDs in situ within the matrix of a metal–organic framework (MOF) glass. This is achieved by controllable decomposition of an optoelectronically inactive δ-phase organic lead halide perovskite (OLHP) within the MOF glass, where the high-temperature MOF melt alters the degradation pathway through interfacial bonding and dissolution effects, effectively preventing PbI 2 aggregation and passivating the resulting QDs. The resulting composite exhibits high-quality, narrow line width photoluminescence at room temperature, alongside remarkable stability under ambient conditions. This innovative approach offers a sustainable and efficient route for QD generation, underscoring the potential of MOF glass-based composites in optoelectronic applications.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Perovskite Materials and Applications · Metal-Organic Frameworks: Synthesis and Applications · Carbon and Quantum Dots Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Chemical Engineering
University of QLD
Australian Institute for Bioengineering and Nanotechnology
The University of QLD
Bragg Centre for Materials Research, School of Chemical and Process Engineering, and School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K.
Graduate School of Engineering
Nagasaki University
National Institute of Chemistry
Institute of Physics and Astronomy
University of Potsdam
Zhengzhou University
The University of New South Wales
Materials Research Laboratory
University of California
Funding
Engineering and Physical Sciences Research Council · UK Research and Innovation · The Slovenian Research and Innovation Agency · RIKEN · Diamond Light Source · Australian Research Council · Australian Government · Australian Synchrotron
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