1. Design, synthesis, and surface modification of infrared quantum dots (including InAs, InSb, doped, and core–shell quantum dots) for tuning their optoelectronic properties.

2. Application of quantum dots in energy transfer and optoelectronic devices, including light-emitting diodes and photodetectors.

Ph.D., Chemistry
University of California, Riverside, USA | Sep 2014 – Dec 2019

B.S., Chemistry
University of Science and Technology of China | Aug 2010 – Jun 2014

​Professor
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, China | Sep 2024 – Present

Postdoctoral Fellow
University of Toronto, Canada | Jun 2021 – Jul 2024

Postdoctoral Fellow
University of California, Riverside, USA | May 2020 – May 2021

   

（1） Improved Facet and Edge Passivation in Near-Infrared III-V Colloidal Quantum Dot Photodetectors, ADVANCED MATERIALS, 2025, 1st co-first author.
（2） Picosecond Dexter-Type Energy Transfer in Device-Grade InAs Quantum Dot Films, Journal of Physical Chemistry Letters, 2025, 1st author and corresponding author.
（3） Atomic Layer Deposition Stabilizes Nanocrystals, Enabling Reliably High-Performance Quantum Dot LEDs, ADVANCED MATERIALS, 2025, 2nd co-first author.
（4） Control Over Metal-Halide Reactivity Enables Uniform Growth of InSb Colloidal Quantum Dots for Enhanced SWIR Light Detection, ADVANCED MATERIALS, 2025, 3rd co-first author.
（5） Nucleophilic Covalent Ligands Enable Simultaneous Surface Reconstruction and Passivation of Colloidal InSb Quantum Dots for Stable Short-wave Infrared Photodetectors, Angewandte Chemie, 2025, 3rd co-first author.
（6） Sub-Second Long Lifetime Triplet Exciton Reservoir for Highly Efficient and Stable Organic Light-Emitting Diode, ADVANCED MATERIALS, 2024, 18th author.
（7） Nickel Oxide Hole Injection Layers for Balanced Charge Injection in Quantum Dot Light-Emitting Diodes, SMALL, 2024, 6th author.
（8） Diamine chelates for increased stability in mixed Sn-Pb and all-perovskite tandem solar cells, NATURE ENERGY, 2024, 14th author.
（9） Resurfacing of InAs Colloidal Quantum Dots Equalizes Photodetector Performance across Synthetic Routes, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2024, 4th author.
（10） Dicarboxylic Acid-Assisted Surface Oxide Removal and Passivation of Indium Antimonide Colloidal Quantum Dots for Short-Wave Infrared Photodetectors, Angewandte Chemie, 2024, 2nd author.
（11） Self-assembled monolayer-based blue perovskite LEDs, SCIENCE ADVANCES, 2023, 5th author
（12） Bifunctional Electron-Transporting Agent for Red Colloidal Quantum Dot Light-Emitting Diodes, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2023, 10th author.
（13） Enhanced Blue Emission in Rb2HfCl6 Double Perovskite via Bi(3+)Doping and Cs+ Alloying, CHEMISTRY OF MATERIALS, 2023, 8th author.
（14） Molecular surface programming of rectifying junctions between InAs colloidal quantum dot solids, PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2023, 8th author
（15） Sequential Co-Passivation in InAs Colloidal Quantum Dot Solids Enables Efficient Near-Infrared Photodetectors, ADVANCED MATERIALS, 2023, 1st co-first author.
（16） Control over Charge Carrier Mobility in the Hole Transport Layer Enables Fast Colloidal Quantum Dot Infrared Photodetectors, NANO LETTERS, 2023, 4th author.
（17） Arresting Ion Migration from the ETL Increases Stability in Infrared Light Detectors Based on III-V Colloidal Quantum Dots, ADVANCED MATERIALS, 2023, 1st co-first author.
（18） Halide-Driven Synthetic Control of InSb Colloidal Quantum Dots Enables Short-Wave Infrared Photodetectors, ADVANCED MATERIALS, 2023, 8th author.
（19） Electron-Transport Layers Employing Strongly Bound Ligands Enhance Stability in Colloidal Quantum Dot Infrared Photodetectors, ADVANCED MATERIALS, 2022, 5th author.
（20） Quantum-Size-Effect Tuning Enables Narrowband IR Photodetection with Low Sunlight Interference, NANO LETTERS, 2022, 5th author.
（21） Engineering Electro-Optic BaTiO3 Nanocrystals via Efficient Doping, ADVANCED MATERIALS, 2022, 7th author.
（22） Energy-Transfer Photocatalysis Using Lead Halide Perovskite Nanocrystals: Sensitizing Molecular Isomerization and Cycloaddition, ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 2022, 2nd author.
（23） ZnSe/ZnS Core/Shell Quantum Dots as Triplet Sensitizers toward Visible-to-Ultraviolet B Photon Upconversion, ACS ENERGY LETTERS, 2022, 5th author.
（24） Air-Stable Silicon Nanocrystal-Based Photon Upconversion, ADVANCED OPTICAL MATERIALS, 2021, 1st author.
（25） Bidirectional triplet exciton transfer between silicon nanocrystals and perylene, CHEMICAL SCIENCE, 2021, 5th author.
（26） Low temperature radical initiated hydrosilylation of silicon quantum dots, FARADAY DISCUSSIONS, 2020, 4th author.
（27） Achieving spin-triplet exciton transfer between silicon and molecular acceptors for photon upconversion, NATURE CHEMISTRY, 2020, 1st co-first author.
（28） Anthracene Diphosphate Ligands for CdSe Quantum Dots; Molecular Design for Efficient Upconversion, CHEMISTRY OF MATERIALS, 2020, 7th author.
（29） Spin-coated fluorinated PbS QD superlattice thin film with high hole mobility, NANOSCALE, 2020, 1st author.
（30） Enhanced Near-Infrared-to-Visible Upconversion by Synthetic Control of PbS Nanocrystal Triplet Photosensitizers, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2019, 6th author.
（31） Midgap States in PbS Quantum Dots Induced by Cd and Zn Enhance Photon Upconversion, ACS ENERGY LETTERS, 2018, 2nd author.
（32） Surface Fluorination for Controlling the PbS Quantum Dot Bandgap and Band Offset, CHEMISTRY OF MATERIALS, 2018, 1st author.
（33） ZnS Shells Enhance Triplet Energy Transfer from CdSe Nanocrystals for Photon Upconversion, ACS PHOTONICS, 2018, 2nd author.
（34） Surface States Mediate Triplet Energy Transfer in Nanocrystal-Acene Composite Systems, JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 2018, 5th author.
（35） CdS/ZnS core-shell nanocrystal photosensitizers for visible to UV upconversion, CHEMICAL SCIENCE, 2017, 2nd author.

We warmly welcome students with a background or strong interest in infrared nano-optoelectronic materials, device fabrication, and modeling/simulation to join our team and engage in cutting-edge research together!

Graduate Program
070304 – Physical Chemistry

Research Directions for Graduate Students

• Infrared nanocrystal materials

• Ultrafast infrared spectroscopy

• Infrared photodetectors

• Quantum dot LEDs

• Charge carrier dynamics

(1) Lead-Free Infrared Photodetectors with III-V and IV Materials
2023 MRS Spring Meeting, Invited oral, April 12, 2023
Pan Xia, Margherita Biondi, Tong Zhu, Bin Sun, Edward Sargent

(2) Towards Electronic Minibands—Superlattices with PbS QDs in a Fluorinated Matrix
2019 MRS Spring Meeting, April 25, 2019
Pan Xia, Maotong Qin, Yuan Qin, MingLee Tang

​Zhang Dayu Young Scholar
Dalian Institute of Chemical Physics, Chinese Academy of Sciences | 2024