Patents

Patents:

1. A system and method for fabrication of porous halide double perovskite single crystals". (Applicants: IIT Madras (Sudakar Chandran, Maurya Sandeep Pradeepkumar, Kathirvel Aruchamy).The Indian patent application number 202441054454. Filing Date: July 16, 2024

2. AN OPTOELECTRONIC DEVICE WITH ENHANCED ABSORPTION OF LIGHT’ (Applicants: IIT Madras (Birabar Ranjit Kumar Nanda, Sudakar Chandran, Ayusmin Panda) Indian Patent Application No.: 202341076325; Filing Date: November 08, 2023

3. Enhanced electrochemical performance of coaxially electrospun Li-rich layered oxide/spinel heterostructure nanofibers (Applicants: IIT Madras (Sudakar Chandran, Vidyasree Hebbar, M. Viji), Nissan Motor CO., LTD, RENAULT S.A.S (Vijayganesh Krishnan and Balaji Kalyanarangan) Indian Patent (Appl. No. 202241019009; filed on 30 March 2022); Indian Patent No. 565010 (Date of Grant 8-04-2025)

4. An electrode active material for improving electrochemical performance of lithium-ion batteries (Sudakar Chandran, Akshay Kumar Budumuru and Lokeswararao Yelamnchi) Application filed on July 07, 2022, Application No.: 202241039060; Indian Patent No. 540566 (Date of Grant 31-05-2024)

5. Maximizing current density and voltage in oxygen-vacancy controlled bismuth ferrite based thin film solar cells, Subhajit Nandy, B.R.K. Nanda, and C. Sudakar Application filed on Sep 20, 2019, Application: 201941038083; Indian Patent No. 404099 (Date of Grant 22-08-2022)

6. Whisperonic Solar Cells: Whispering-gallery mode assisted enhancement in the power conversion efficiency of DSSC and QDSSC devices using TiO2 microsphere photoanodes, C. Sudakar, Tapan K Das, and P. Illaiyaraja, Application filed on Apr 01, 2018, Application: 201841000440; Indian Patent No. 381976 (Date of Grant 16-11-2021)

7. Tailoring of blue, green, green-red emission from inorganic crystalline (Cd, Zn)Se quantum dots – ZnSe amorphous phase composite for white light Emitting Diode application​, C. Sudakar, Tapan K Das, and P. Illaiyaraja, Application filed on Sep 02, 2016, Application: 201641030043; Indian Patent No. 441213 (Date of Grant 28-07-2023)

8. Inorganic quantum dot and organic fluorophore based hybrid composite for white light emission (White light emission from novel hybrid composite of inorganic Zn-graded Cu-In-Zn-S quantum dots and organic 1,4-bis-2-(5-Phenyl oxazoyl)-benzene (POPOP) fluorophore), C. Sudakar and P. Illaiyaraja, application filed on Feb 10, 2016, Application: 201641004651 Indian Patent No. 420640 (Date of Grant 6-02-2023)

9. Peter Hoffman, Physics; Venkatesh Subba-Rao, Physics; Chandran Sudakar, Physics; Jason Esmacher, Physics; Mircea Pantea, “A Fast and Inexpensive Optical Coating Method for Optical Fibers” (WSU File No. 10-972) Physics.

10. K.V. Rao, A. Gupta, C. Sudakar, Wolfgang Voit (NM Spintronics AB, Swed.) “Metal Layer Intersection Doping” PCT Int. Appl. (2006), 9pp.  CODEN: PIXXD2 WO 2006112788  A1  20061026, Application: WO 2006-SE50071 20060411. Priority: SE 2005 969 20050422. CAN 145:464052   AN 2006:1120243