


π-Conjugated Macrocycles Lab
BB Group

Our Research Focus
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We are a team of inorganic/organic material chemists focused on synthesizing novel compounds and developing innovative synthetic methodologies.
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Our core research revolves around the design and synthesis of π-conjugated macrocyclic molecules with unique optoelectronic properties.
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These molecules are tailored for:
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Near-infrared (NIR) photothermal conversion therapy
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Exploration of novel (anti)aromatic systems for diverse optoelectronic applications
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We carry out multistep chemical synthesis and employ modern analytical techniques for thorough characterization.
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Optical and electronic behavior is studied using advanced spectroscopic methods.
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To complement our experimental findings, we perform Density Functional Theory (DFT) and Time-Dependent DFT (TD-DFT) calculations.

Recent News
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July, 2025- Manisha Kumari joined the BB group for his MSc Thesis Work. Welcome to the Lab, Manisha!
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July, 2025- Shriya Sinha joined the BB group for his MSc Thesis Work. Welcome to the Lab, Shriya!
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July, 2025- Soumya Ranjan Mishra joined the BB group for his MSc Thesis Work. Welcome to the Lab, Soumya!
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July, 2025-Ancy Basumatary joined the BB group for her PhD. Welcome to the Lab, Ancy!
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July, 2025- Ritu Sharma joined BB group for his PhD. Welcome to the Lab, Ritu!
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July, 2025- Wasima Nasrin joined BB group for his PhD. Welcome to the Lab, Wasima!
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June 2025- Ajay joins the National University of Singapore for PhD. Congratulations Ajay!
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Jan, 2025- Sachin Sahu joined BB group for his PhD. Welcome to the Lab, Sachin!
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Dec, 2024- Prof. Biju Basumatary's work from his postdoctoral research in Japan has been accepted in the Journal of Porphyrins and Phthalocyanines, where he is one of the corresponding authors.
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Dec, 2024- Prof. Biju Basumatary's work from his postdoctoral research (Japan) has been accepted in Organic Chemistry Frontiers
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July, 2024- Prof. Biju Basumatary has been awarded the CRS Young Scientist Award.
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July, 2024-Ajay Prajapati joined BB group for his MSc thesis. Welcome to the lab, Ajay!
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July, 2024-Priyanshu joined BB group for his MSc thesis work. Welcome to the lab, Priyanshu!
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July, 2024-Vaibhav Dabas joined BB group for his PhD. Welcome to the lab, Vaibhav!
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July, 2024-Aaqiba Ahad joined BB group for her PhD. Welcome to the lab, Aaqiba!
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June 2024-Prof. Biju Basumatary's work from his postdoctoral research (UK) has been accepted in Chemical Reviews, Impact factor: 72.087
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April, 2024-Prof. Biju Basumatary's work from his postdoctoral research (Japan) has been accepted in Angewandte Chemie International Edition, Impact factor: 16.1
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March, 2024-Prof. Biju Basumatary's work from his postdoctoral research (UK) has been accepted in Advanced Functional Materials, Impact factor: 18.5
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July, 2024-Dr. Neha Manav joined BB group as a NPDF postdoctoral fellow. Welcome to the lab, Neha!
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January, 2024-Yogita Verma joined the BB group as the first PhD Student of the BB group. Welcome to the lab, Yogita!
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Office
Department of Chemistry
MS722, 6th Floor Main Building,
IIT Delhi, Hauz Khas,
New Delhi-110016, India
E-mail: biju@chemistry.iitd.ac.in ​​
Lab
Department of Chemistry
VI-230, 1st Floor, Block VI,
IIT Delhi, Hauz Khas,
New Delhi-110016, India
E-mail: biju@chemistry.iitd.ac.in