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Updated: Jan 3, 2026

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
Published on: October 5, 2019
Noble metal-free integrated UiO-66-PANI-Co3O4 catalyst for visible-light-induced H2 production
Ajay K Singh1, Spandana Gonuguntla, Bhushan Mahajan
1Division of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India. ajaysingh015@gmail.com.
Abstract:
The discriminate etching chemistry (crystal engineering) of metal-organic frameworks (MOFs) offers promising opportunities for tailoring electron-hole separation, and charge-carrier utilization plays a central role in photocatalysis. Herein, the noble metal-free examples of polyaniline (PANI)-sensitized cobalt oxide functionalized perfect crystal UiO-66 and defective crystal UiO-66D photocatalysts were synthesized and evaluated for photocatalytic hydrogen generation from water under visible light irradiation. A viable route for the simple yet effective modification of UiO-66 by implanting PANI and cobalt oxide was demonstrated for the development of a series of UiO-66-based catalysts. The UiO-66-PANI-Co3O4 catalyst showed staggeringly enhanced photocatalytic activity, which was 24 times that of the pristine UiO-66(Zr).
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