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Hire Dr. Santosh K.

India

USD 1000 /hr

Expertise in Phosphor Materials, Halide/Oxide Perovskites, MOF, Lanthanides, upconversion, Anti-counterfeiting, WLED

Profile Summary

Research Expertise Instruments • Photoluminescence Spectrometer • CCD based Spectrometer • Spin Coater • UV-visible Spectrometer • 980 nm diode Laser • High Temperature Furnace Synthesis Techniques • Hot-Injection, • Co-Precipitation, • Thermal Decomposition • Hydrothermal • Ligand Assisted Re-Precipitation • Gel-Combustion • Solid State Reaction Characterizations • XRD • UV-visible absorption • Photoluminescence • FTIR • BET • HR-TEM • SEM • XPS • TGA-DSC • TRPL • Upconversion • Optical-thermometry Software Knowledge • Microsoft Word • Microsoft Office Excel • OriginPro 9.0 • MatLab • ImageJ • FullProf Suit • X’pert Highcore • VESTA • ColorCalculator • CasaXPS

Subject Matter Expertise

• ☆ Materials Science & Engineering
• ☆ Nanotechnology
• ☆ Wave Mechanics
• ☆ Applied Physics
• ☆ X-Ray Technology

Services

• Research
• Consulting

Research Market Research, User Research, Meta-Research, Feasibility Study, Technology Scouting, Fact Checking, Gap Analysis, Gray Literature Search, Scientific and Technical Research, Systematic Literature Review, Secondary Data Collection

Consulting Scientific and Technical Consulting

Work Experience

Reseacher

Indian Institute of Technology (Banaras Hindu University), Varanasi

September 2024 - Present

Education

Doctorate

Indian Institute of Technology (BHU) Varanasi

July 2019 - August 2024

Certifications

• PhD

  Indian Institute of Technology (Banaras Hindu University), Varanasi

  October 2024 - Present

Publications

JOURNAL ARTICLE

Santosh Kachhap, Akhilesh Kumar Singh, Sunil Kumar Singh (2025). Full-color emissive bidirectional needle-like nano-tips of the hybrid of Tb/Eu-Metal organic frameworks @ inorganic halide perovskite for multifunctional applications . Materials Research Bulletin.

Santosh Kachhap, Akhil Kumar Rai, Akhilesh Kumar Singh, Sunil Kumar Singh (2025). Interfacing inorganic halide perovskites with metal-organic frameworks: Color tunable emission, energy transfer, and advanced anti-counterfeiting application . Materials Research Bulletin.

Santosh Kachhap, Akhil Kumar Rai, Akhilesh Kumar Singh, Sunil Kumar Singh (2025). Interfacing inorganic halide perovskites with metal-organic frameworks: Color tunable emission, energy transfer, and advanced anti-counterfeiting application . Materials Research Bulletin.

Santosh Kachhap, Shanas Fatima, Zubair Nabi Ganaie, Priya Johari, Neeraj Kumar Mishra, Kaushal Kumar, Sunil Kumar Singh (2025). Negative thermal quenching in Er/Yb codoped lead-free halide perovskite Cs3Bi2Cl9 . Journal of Molecular Structure.

Santosh Kachhap, Shanas Fatima, ZUBAIR NABI GANAIE, Priya Johari, Neeraj Kumar Mishra, Kaushal Kumar, S K Singh (2025). Negative thermal quenching in Er/Yb codoped lead-free halide perovskite Cs3Bi2Cl9 . Journal of Molecular Structure.

Dubey, C., Yadav, A., Kachhap, S., Singh, S.K., Gupta, G., Singh, S.P., Singh, A.K.(2024). Effect of Mn²⁺ doping and DDAB-assisted postpassivation on the structural and optical properties of CsPb(Cl/Br)₃ halide perovskite nanocrystals . Methods and Applications in Fluorescence. 12. (4).

Sajwan, S., Sharma, M., Kachhap, S., Singhal, M., Singh, A.K., Tyagi, M., Sarkar, P.S., Chauhan, N., Singh, S.K.(2024). Structural and optical properties of Zn_2.95Ga_2−xSnO₈:xCr³⁺: An excellent X-ray charging-based persistent phosphor . Journal of Alloys and Compounds. 978.

Santosh Kachhap, Neeraj Kumar Giri, Shruti, Rajiv Prakash, S.K. Singh (2023). Photon upconversion-based non-invasive temperature sensing using Gd1−x-yYbxEr yScO3 perovskite nanocrystals . Journal of Alloys and Compounds.

Singh, S., Kachhap, S., Sharma, M., Singh, S.K.(2023). Enhancing the temperature sensing property of a Ca_0.79−xBi_xEr_0.01Yb_0.2MoO₄ phosphor via local symmetry distortion and reduction in non-radiative channels . RSC Advances. 13. (22). p. 14991-15000.

Kachhap, S., Fatima, S., Yadav, A., Singh, A.K., Singh, S.K.(2023). Expanding the Emission of CsPbBr₃ Nanocrystals in the Blue Region . ACS Applied Optical Materials. 1. (12). p. 1974-1986.

Dubey, C., Yadav, A., Baloni, D., Kachhap, S., Singh, S.K., Singh, A.K.(2023). Impact of crystal structure on optical properties and temperature sensing behavior of NaYF₄:Yb³⁺/Er³⁺ nanoparticles . RSC Advances. 13. (30). p. 20975-20983.

Kachhap, S., Giri, N.K., Shruti, Prakash, R., Singh, S.K.(2023). Photon upconversion-based non-invasive temperature sensing using Gd_1−x-yYb_xEr _yScO₃ perovskite nanocrystals . Journal of Alloys and Compounds. 936.

Thakur, H., Gathania, A.K., Kachhap, S., Singh, S.K., Singh, R.K.(2023). Coprecipitation synthesis, structural, optical properties, and thermometry application of Tm³⁺/Yb³⁺ co-doped YPO₄ phosphor . Journal of Luminescence. 254.

Singh, P., Kachhap, S., Singh, P., Singh, S.K.(2022). Lanthanide-based hybrid nanostructures: Classification, synthesis, optical properties, and multifunctional applications . Coordination Chemistry Reviews. 472.

Kachhap, S., Singh, S., Singh, A.K., Singh, S.K.(2022). Lanthanide-doped inorganic halide perovskites (CsPbX3): Novel properties and emerging applications . Journal of Materials Chemistry C. 10. (10). p. 3647-3676.

Singh, S., Kachhap, S., Singh, A.K., Pattnaik, S., Singh, S.K.(2022). Temperature sensing using bulk and nanoparticles of Ca_0.79Er_0.01Yb_0.2MoO₄phosphor . Methods and Applications in Fluorescence. 10. (4).

Dass, S., Chatterjee, K., Kachhap, S., Jha, R.(2021). In Reflection Metal-Coated Diaphragm Microphone Using PCF Modal Interferometer . Journal of Lightwave Technology. 39. (12). p. 3974-3980.

Dass, S., Kachhap, S., Jha, R.(2020). Hearing the sounds of aquatic life using optical fiber microtip-based hydrophone . IEEE Transactions on Instrumentation and Measurement. 69. (7). p. 4015-4020.

Dass, S., Kachhap, S., Jha, R.(2019). S-shaped microfiber based diaphragm supported optical microphone . JPhys Photonics. 1. (2).