Award Abstract # 2339866
CAREER: Rational Design of Dual-Functional Photocatalysts for Synthetic Reactions: Controlling Photosensitization and Reaction with a Single Nanocrystal

NSF Org: CHE
Division Of Chemistry
Recipient: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORK
Initial Amendment Date: November 28, 2023
Latest Amendment Date: September 27, 2024
Award Number: 2339866
Award Instrument: Continuing Grant
Program Manager: Kenneth Moloy
kmoloy@nsf.gov
 (703)292-8441
CHE
 Division Of Chemistry
MPS
 Directorate for Mathematical and Physical Sciences
Start Date: March 1, 2024
End Date: February 28, 2029 (Estimated)
Total Intended Award Amount: $624,715.00
Total Awarded Amount to Date: $624,715.00
Funds Obligated to Date: FY 2024 = $624,715.00
History of Investigator:
  • Chen Wang (Principal Investigator)
    chen.wang@qc.cuny.edu
Recipient Sponsored Research Office: CUNY Queens College
6530 KISSENA BLVD
FLUSHING
NY  US  11367-1575
(718)997-5400
Sponsor Congressional District: 06
Primary Place of Performance: CUNY Queens College
65-30 KISSENA BLVD
FLUSHING
NY  US  11367-1575
Primary Place of Performance
Congressional District:
06
Unique Entity Identifier (UEI): EJABWGUJM228
Parent UEI:
NSF Program(s): Chemical Catalysis
Primary Program Source: 01002425DB NSF RESEARCH & RELATED ACTIVIT
01002526DB NSF RESEARCH & RELATED ACTIVIT
Program Reference Code(s): 1045, 9150, 8396, 9251, 8609
Program Element Code(s): 688400
Award Agency Code: 4900
Fund Agency Code: 4900
Assistance Listing Number(s): 47.049

ABSTRACT

With support from the Chemical Catalysis (CAT) program of the NSF Division of Chemistry, Dr. Chen Wang of the Department of Chemistry and Biochemistry at Queens College, City University of New York, is developing novel catalysts based on perovskite nanocrystals for utilizing light to efficiently synthesize organic chemicals that are essential in biomedical and pharmaceutical applications. The project will employ various spectroscopic methods to understand how photo-generated excited states in the nanocrystals can convert light energy and selectively promote the desired chemical processes on the nanocrystal surface. The project integrates synthetic chemistry, physical chemistry, materials science, and instrumentation development and hence will provide a multidisciplinary learning environment for students at all levels. Photochemical research will be introduced into the undergraduate curriculum to train students from diverse cultural backgrounds. Outreach activities, including photochemistry workshops and summer research camps, are planned to reach out to K-12 students and encourage a diverse, talented pool of students to consider pursuing studies in science, technology, engineering and mathematics fields.

Photocatalytic synthesis has the potential to provide for streamlined, energy-efficient synthetic routes into useful molecules by providing novel bond construction manifolds. The proposed project will explore catalytic platforms with metal halide perovskite nanocrystals (PNCs) with the goals of achieving both efficient photosensitization and reaction control. The project will engineer the PNC surface will the goal of facilitating important synthetic reactions, such as cycloadditions and C-C coupling reactions, and with the goal of understanding the modified PNC surface through a combination of experimental and computational investigation. Surface photocatalytic processes will be tracked using a variety of ultrafast spectroscopic methods, including transient absorption, time-resolved photoluminescence, and time-resolved stimulated resonance Raman spectroscopy. This mechanistic study aims to reveal the relationship between the surface environment of PNCs and their catalytic performance to guide the rational design of novel photocatalysts based on semiconductor nanocrystals.

This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

Please report errors in award information by writing to: awardsearch@nsf.gov.

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