J
Jonnadula Venkata Suman Krishna
Researcher at Indian Institute of Chemical Technology
Publications - 19
Citations - 400
Jonnadula Venkata Suman Krishna is an academic researcher from Indian Institute of Chemical Technology. The author has contributed to research in topics: Dye-sensitized solar cell & Porphyrin. The author has an hindex of 9, co-authored 18 publications receiving 286 citations. Previous affiliations of Jonnadula Venkata Suman Krishna include Academy of Scientific and Innovative Research & Council of Scientific and Industrial Research.
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Journal ArticleDOI
Donor-π–Acceptor Based Stable Porphyrin Sensitizers for Dye-Sensitized Solar Cells: Effect of π-Conjugated Spacers
Narra Vamsi Krishna,Narra Vamsi Krishna,Jonnadula Venkata Suman Krishna,Jonnadula Venkata Suman Krishna,Surya Prakash Singh,Surya Prakash Singh,Lingamallu Giribabu,Lingamallu Giribabu,Liyuan Han,Idriss Bedja,Ravindra Kumar Gupta,Ashraful Islam +11 more
TL;DR: In this paper, seven D−π-A porphyrin dyes (LG1,LG7) were engineered with 3-ethynyl phenothiazine tethered at the meso-position and π-spacers, such as 4-ethyl phenyl, 5-thynylthiophene (LG2), 5-ynyl furan (LG3), 2,1,3-benzothiadiazole (BTD)-phenyl (LG6), and BTD-thiophenes (LG7
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Synthesis, Optical, Electrochemical, DFT Studies, NLO Properties, and Ultrafast Excited State Dynamics of Carbazole-Induced Phthalocyanine Derivatives
Somdatta Bhattacharya,Chinmoy Biswas,Sai Santosh Kumar Raavi,Jonnadula Venkata Suman Krishna,Jonnadula Venkata Suman Krishna,Narra Vamsi Krishna,Narra Vamsi Krishna,Lingamallu Giribabu,Lingamallu Giribabu,Venugopal Rao Soma +9 more
TL;DR: In this paper, the authors present results from detailed investigations on the synthesis, optical, emission, electrochemical, and ultrafast nonlinear optical properties along with the excited stati cation.
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Soluble tetratriphenylamine Zn phthalocyanine as Hole Transporting Material for Perovskite Solar Cells
Esmaiel Nouri,Jonnadula Venkata Suman Krishna,Challuri Vijay Kumar,Vassilios Dracopoulos,Lingamallu Giribabu,Mohammad Reza Mohammadi,Panagiotis Lianos +6 more
TL;DR: In this article, a tetratriphenylamine-substituted Zn phthalocyanine as hole transporting material was used for perovskite solar cells under ambient conditions of 50-60% ambient humidity.
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Role of Co-Sensitizers in Dye-Sensitized Solar Cells.
Narra Vamsi Krishna,Narra Vamsi Krishna,Jonnadula Venkata Suman Krishna,Jonnadula Venkata Suman Krishna,Madoori Mrinalini,Madoori Mrinalini,Seelam Prasanthkumar,Seelam Prasanthkumar,Lingamallu Giribabu,Lingamallu Giribabu +9 more
TL;DR: The role co-sensitizers play in improving photovoltaic performance of devices containing Ru- and porphyrin-based sensitizers is highlighted.
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Optoelectronic, femtosecond nonlinear optical properties and excited state dynamics of a triphenyl imidazole induced phthalocyanine derivative
Somdatta Bhattacharya,Chinmoy Biswas,Sai Santosh Kumar Raavi,Jonnadula Venkata Suman Krishna,Devulapally Koteshwar,Lingamallu Giribabu,Lingamallu Giribabu,Venugopal Rao Soma +7 more
TL;DR: In this paper, a novel zinc phthalocyanine derivative (PBIPC) was synthesized by incorporating a triphenyl imidazole moiety at its peripheral positions.