Dr. Kimberly Gray

Professor

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Biography

Kimberly Gray is the Stanley F. Pepper Professor in Civil and Environmental Engineering and has a courtesy appointment in Chemical and Biological Engineering at Northwestern University. Her research interests encompass environmental chemistry and applied ecology, with a particular focus on climate action and energy sustainability applications. She aims to reinvent the flows of materials and energy in cities based on ecological principles to combat the climate emergency. Gray studies the synthesis, characterization, and performance of photo-active materials, predominantly TiO2-based nanocomposites, for resource recovery and water/air treatment. She leads an NSF LEAP-HI research team that focuses on nature-based strategies to manage stormwater, prevent flooding, and enhance environmental quality in low-income communities. Moreover, her work includes assessing the unintended ecotoxicological impacts of nanomaterial mixtures in aquatic systems under light illumination. Gray has published over 150 scientific papers and delivers lectures on energy, climate, and environmental issues.

Research Interests

Patents

Photocatalytic Composite (TiO2/SWCNT) Organic Chemical Oxidation

NU 27068

Provisional patent application for oxidation applications.

Mixed-phase nano-structured TiO2 composite photocatalyst energy efficiency applications

NU 27093

Provisional patent application.

Reactively sputtered TiO2 nanocomposite thin films photoreduction photooxidation applications UV visible light

NU 28134

Provisional patent application.

Requirements for Northwestern University

Doctorate Program
Requirements
GPA Requirement
Required:3
TOEFL
Total
Required:90
IELTS
Overall
Required:7
Prerequisites
U.S. Bachelor's degree or equivalent
Application Checklist
  • Online application
  • Transcripts
  • Letters of recommendation
  • Statement of purpose
  • Resume/CV
  • TOEFL/IELTS scores (if applicable)
Specialization Notes

Standard PhD requirements for TGS departments including Chemistry, Physics, and Sociology.