Prof Dr. Tsonko Kolev | Molecular Spectroscopy | Outstanding Scientist Award 

Roumen Tsanev Institute of Molecular Biology, Bulgarian Academy of Sciences | Bulgaria

Author Profile

Early Academic Pursuits

Professor Tsonko Kolev embarked on his academic journey with a focus on organic chemistry, particularly in the design and synthesis of novel materials with significant nonlinear optical (NLO) and electrooptical (EO) properties. His early research involved spectral and structural elucidation using various spectroscopic techniques and quantum chemical calculations.

Professional Endeavors

Throughout his career, Prof. Kolev has held positions at prominent universities and research institutions, including the University of Plovdiv and Sofia University, where he served as a lecturer in organic chemistry. He also supervised several PhD students and contributed significantly to the field of molecular spectroscopy through his research and publications.

Contributions and Research Focus

Prof. Kolev's research has focused on the synthesis, spectral analysis, and structural elucidation of organic materials with enhanced NLO and EO coefficients. His work includes the investigation of hydrogensquarates, squarates, esteramides of squaric acid, and pyridinio betaines of squaric acid. He has also explored the synthesis of stibazolium salts with enlarged π-conjugated systems and their thin film deposition using pulsed laser deposition (PLD).


  • Citations      2663
  • h-index        24
  • i10-index     81

Impact and Influence

Prof. Kolev's contributions to molecular spectroscopy and organic materials science have been widely recognized. He has organized international summer schools and collaborated on numerous scientific projects with institutions across Europe. His research has influenced the development of advanced materials with applications in optics, photonics, and beyond.

Academic Citations

Prof. Kolev's publications have received significant attention within the scientific community, with over 1400 citations for the period 1993-2017. His work on the structure and vibrational spectra of curcumin and the synthesis of pyridinium betaines of squaric acid are among the most cited in his field.

Legacy and Future Contributions

Over his illustrious career, Prof. Kolev has published over 200 research papers, two books, and contributed chapters to scientific volumes. His legacy in molecular spectroscopy and organic materials science continues to inspire future generations of researchers. As he looks ahead, Prof. Kolev's focus remains on advancing our understanding of molecular structures and properties, with the aim of developing new materials with tailored optical and mechanical characteristics.

Molecular Spectroscopy

Prof. Kolev's research encompasses various aspects of molecular spectroscopy, including infrared, Raman, UV-vis, and fluorescent spectroscopy, as well as single crystal X-ray analysis. His contributions to this field have led to a deeper understanding of molecular structures and their optical properties, paving the way for the development of advanced materials with applications in nonlinear optics and photonics.

Notable Publication

Tsonko Kolev | Molecular Spectroscopy | Bulgaria 

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