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Nanoscale. 2021 Dec 14; doi: 10.1039/d1nr06961f. Epub 2021 Dec 14.

1D alignment of Co(II) metalated porphyrin-napthalimide based self-assembled nanowires for photocatalytic hydrogen evolution.

Nanoscale

Botta Bhavani, Nageshwarrao Chanda, Vishal Kotha, Govind Reddy, Pratyay Basak, Ujjwal Pal, Lingamallu Giribabu, Seelam Prasanthkumar

Affiliations

  1. Polymer & Functional Materials Division, CSIR-Indian Institute of Chemical Technology (IICT), Tarnaka, Hyderabad-500007, Telangana, India. [email protected].
  2. Academy of Scientific and Innovation Research (AcSIR), Ghaziabad-201 002, India.
  3. Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, Maharastra, India.

PMID: 34904615 DOI: 10.1039/d1nr06961f

Abstract

The splitting of water into hydrogen and oxygen under visible light is an emerging phenomenon in green energy technology. Nevertheless, selecting an appropriate photocatalyst is rather significant to enhance hydrogen production on a large scale. In this context, organic photocatalysts have received considerable attention owing to their larger surface area, control in diffusion adsorption, nanostructures and electronic properties. Herein, we have developed five either free base or transition metalated porphyrin-napthalimide based donor-acceptor systems (PN1-PN5) and studied their morphology, electronic properties and catalytic behaviour. Detailed studies suggest that the Co(II) substituent D-A system (PN2) displayed a well-aligned one-dimensional (1D) nanowire with high electrical conductivity promoting remarkable photocatalytic hydrogen production rate (18 mM g

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