Research Degree Programmes

The College of Science (CSCI) comprises three academic units: Chemistry; Mathematics; and Physics, providing quality education programmes with an emphasis on interdisciplinary studies.

The College has a strong international reputation in research. In Chemistry, it was ranked 1st in Hong Kong and 23rd worldwide by the US News & World Report Best Global Universities Rankings (2026-27). In Mathematics, it was ranked 3rd in Hong Kong and 57th worldwide by the US News & World Report Best Global Universities Rankings (2026-27). In Physics, it was ranked 7th worldwide by the US News & World Report Best Global Universities Rankings (by subject: Condensed Matter Physics; 2026-27); and 43rd worldwide by the NTU Ranking (2026).

In addition, the excellence in research as accomplished by the College can be highlighted by the State Key Laboratory of Environmental Health (City University of Hong Kong), the Center for Neutron Scattering, and the Liu Bie Ju Centre for Mathematical Sciences.

Our Research Areas

The Department is very unique in a multidisciplinary nature by integrating Chemistry, Biology, and Environmental Science. Research focus/ expertise include:

  1. Synthetic Chemistry: green chemistry; spectroscopy and catalysis; catalyst design and synthesis; organic electroluminescent devices; inorganic photo-responsive and luminescent chemosensors; organometallic chemistry; homogeneous catalysis;
  2. Materials Chemistry: green materials / manufacturing; organic and inorganic functional materials; nanoscience and nanotechnology; organic light-emitting devices; crystal phase control; solar cells;
  3. Biological Chemistry: chemical biology; bioinorganic chemistry; bioorganic chemistry; developmental and cell biology; nano-biotechnology and biosensing; DNA and RNA chemistry; genomics and biotechnology; proteomics and metabolomics;
  4. Computational Chemistry: energetics and reactivities of chemical species; mechanisms of chemical reactions;
  5. Environmental Chemistry: freshwater and marine pollution; aquatic ecology and conservation; renewable energy, energy storage and management, energy efficiency and conservation; ecotoxicology; environmental monitoring; environmental impact and risk assessment.

Research Degree Coordinator
Prof. LY Thuc Hue
Phone: 3442-9329
Email: thuchly@cityu.edu.hk

Research strengths/disciplines of the Department include:

  1. Applied Analysis: approximation theory, asymptotic analysis, harmonic analysis, inverse problems, kinetic theory, learning theory, partial differential equations, random matrix theory, and special functions;
  2. Computational Mathematics: complexity theory, computational electromagnetics, image processing, numerical analysis, numerical linear algebra, and scientific computing;
  3. Mathematical Modelling: control and system theory, fluid mechanics, general relativity, granular materials, mathematical biology, mathematical elasticity, mathematical finance, mathematical modelling of waves, and mathematics of new materials;
  4. Probability and Statistics: Bayesian statistics, high dimensional data analysis, mean field games, probability theory, statistical learning theory, stochastic analysis, stochastic controls, and stochastic processes.

Research Degree Coordinator
Prof. ZHANG Shun
Phone: 3442-9931
Email: shun.zhang@cityu.edu.hk

Research focus/expertise in the Department include:

  1. Theoretical and Computational Physics: condensed matter theory, computational solid state physics, computational electrodynamics, computational chemistry, computational biology physics, quantum computation and information, acoustics physics, photonics physics, machine learning, photoelectric emission, topological insulator, DNA structure and interaction, polymer entanglements, light-matter interactions, quantum spectroscopy;
  2. Spectroscopy and Imaging: sophisticated experiments involving quantum beams such as synchrotron x-ray, neutron, electron, and coherent light, lithium ion battery, structure and dynamics of metallic glass, phase stability and deformation behavior of high entropy alloys, Angle Resolved Photoemission Spectroscopy;
  3. Atomic, Molecular, and Optical Physics: mechanism of noise and decoherence, open quantum system and quantum entanglement, multi-photon interference, non-equilibrium physics in AMO system, nonlinear optical spectroscopy, opto-mechanics, photonic crystals and metamaterials;
  4. Quantum Materials: topological quantum computing and Majorana fermions, Dirac and Weyl semimetals, Bose-Einstein condensation and spin-orbit coupling, quantum Hall Effect, transport phenomena, superconductivity, frustrated magnetism, 2D materials, heterostructures and interfaces, multiferroic materials for spintronic devices;
  5. Chemical Physics, Soft Matter and Biophysics: light-matter interactions, quantum spectroscopy, single-molecule electronics, nanoscale charge transport, self-assembly, polymer physics, protein dynamics, quantum biology, molecular dynamics simulation, functional magnetic resonance imaging, Raman spectroscopy, DNA structure and interaction, polymer entanglements;
  6. Astrophysics and Particle Physics: dark matter, black holes, gravitational waves, cosmology, and high energy theory.

Research Degree Coordinator
Prof. LI Haixing
Phone: 3442-4427
Email: haixinli@cityu.edu.hk

Entrance Requirements

Application Procedures

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