Pinzee
@Pinzheng1
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PhD Student @ NUS Chemistry, Singapore. I love semiconductor quantum dots & perovskites. Offers independent tech and research viewpoints.
Singapore
Joined February 2019
One of the most jam-packed weekends in a while. A poster presentation and a proposal, both within 24hrs. Definitely felt privileged to present my "findings" on both occasions and luckily, they all went well!
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Design of Zn Chalcogenide Shells for Emissive Ga-Rich In1–XGaXAs Quantum Dots Synthesized in Molten Salts | ACS Nano
pubs.acs.org
Colloidal quantum dots (QDs) have seen expanded applications in optoelectronics from visible to near-infrared (NIR) wavelengths. However, the options for QDs with bright and size-tunable emission in...
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Chemical Mapping of Nanoparticle–Ligand Interfaces in Optical Nanocavities | Journal of the American Chemical Society
pubs.acs.org
Understanding processes in photon–phonon scattering, absorption, and chemical reactions in optical nanocavities is important for single-molecule sensors, single-photon emitters, and photocatalysis....
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Efficient Plasmon-Induced Hot Thermal Carrier Transfer in Plasmonic Metal Oxide Nanoparticles | ACS Nano
pubs.acs.org
Harnessing hot carriers in plasmonic nanoparticles provides a promising paradigm for nonequilibrium photodetectors, photocatalysts, and photothermal technologies. Here, we show that the low carrier...
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A Coupled Organic Solar Battery with 12.1% Efficiency | Journal of the American Chemical Society https://t.co/OMRYy6A7bF ACTUALLY HUGE!!
pubs.acs.org
Coupled solar batteries enable direct solar-to-electrochemical energy storage but show low efficiencies due to insufficient solar spectrum utilization. Here, we report the exciton-coupled redox...
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News & Views: Scalable perovskite tandems enabled by dual-stage molecular regulation. A multifunctional additive enables facet-selective crystallization and defect passivation in wide-bandgap #perovskites for scalable and efficient #solarcells. https://t.co/P0Dk67pPh8
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Transforming Near-Infrared Photodetectors with Perovskites: Materials, Strategies, and Future Outlook | Energy & Fuels
pubs.acs.org
Photodetectors, capable of transforming optical stimuli to electrical signals, have experienced unprecedented growth in their development recently due to rapidly growing demand in sensing, imaging,...
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Exciton and Biexciton Transition Reveals Auger and Energy Transfer Dynamics in Mn-Doped CsPbCl3 Nanocrystals | The Journal of Physical Chemistry Letters
pubs.acs.org
Femtosecond transient absorption (TA) spectroscopy is a powerful technique that has been used to disentangle ultrafast exciton dynamics in halide perovskite nanocrystals (NCs). The bleaching caused...
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Recent highlight by #SoCaltech on my accessible educational resources for photochemistry and spectroscopy! I hope more folks share their expertise freely, and take knowledge that is normally transferred 1-on-1 from mentor to mentee and make it accessible. https://t.co/r9cQXjSsqn
magazine.caltech.edu
“When I was at the University of Notre Dame, I wanted to find videos that explained how to study excited state photochemistry using the time-correlated single photon counting technique, but it just...
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Cadmium Carboxylate Preparation Method Impacts the Synthesis of CdSe Nanoplatelets through Differences in Dissolution Kinetics | Chemistry of Materials
pubs.acs.org
Colloidal CdSe nanoplatelets (NPLs) are promising materials for various applications due to their unique optical properties arising from their atomically controlled thickness. However, the lack of...
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Synthesis of a Single PbSe Magic-Sized Cluster: Insights into Reaction Kinetics, Atomic Structure, and Optical Properties | ACS Nano
pubs.acs.org
PbSe magic-sized clusters (MSCs), characterized by their homogeneous sizes and sharp absorption features, represent an important class of nanomaterials for precise structure–property correlation....
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Red Ag-Based I–III–VI Quantum Dots as Competitive Alternatives to InP Emitters | ACS Energy Letters
pubs.acs.org
Heavy metal-free I–III–VI quantum dots (QDs), particularly those incorporating Ag and Cu, are promising ecofriendly alternatives to Cd- and Pb-based QDs. Yet, achieving both high photoluminescence...
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Modulating Hole Transfer from CdSe Quantum Dots by Manipulating the Surface Ligand Density | Nano Letters
pubs.acs.org
The structure and density of surface capping ligands in cadmium chalcogenide quantum dots (QDs) are important considerations for controlling the efficiency of charge separation via the transfer of...
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Ligand Basicity Modulates Metal Cation Reduction Potentials at Colloidal Cadmium Chalcogenide Quantum Dot Surfaces | Journal of the American Chemical Society
pubs.acs.org
Reduction or oxidation reactions at colloidal semiconductor nanocrystal quantum dot (QD) surfaces are critical mechanistic steps for charge trapping or for photoinduced charge transfer. However,...
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Charge Transfer from Perovskite Quantum Dots to Multifunctional Ligands with Tethered Molecular Species | ACS Energy Letters
pubs.acs.org
Perovskite quantum dots (pQDs) are promising materials for optoelectronic and photocatalytic applications due to their unique optical properties. To enhance charge carrier extraction or injection,...
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Control over Banded Morphologies and Circular Dichroism in Chiral Halide Perovskites | ACS Nano
pubs.acs.org
Chiral halide perovskites (c-HPs) merge the chirality of organic cations with the semiconducting properties of metal halide frameworks, creating a family of chiral semiconductors with tunable...
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Ligand Packing Dictates Interparticle “Bonding” in Nanoparticle Self-Assembled Structures | ACS Materials Letters
pubs.acs.org
This study examines how the packing of ligand shells in inorganic nanoparticle–organic ligand complexes─either disordered or crystalline─affects the properties of the assembled structures. Using a...
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New paper from our group! We present “Plasmon-Enhanced Exciton Re-Localization in Quasi-2D Perovskites for Low-Threshold Room-Temperature Plasmonic Lasing”. Great collaboration with Prof. Chu-Chen Chueh (NTU). https://t.co/YSleoi2Zct
@AcadSinica @NationalTaiwanU @ScienceAdvances
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