Search Results - "Adusumalli, Venkata N. K. B."

Microwave Synthesis, Photoluminescence, and Photocatalytic Activity of PVA-Functionalized Eu3+-Doped BiOX (X = Cl, Br, I) Nanoflakes by Dash, Armita, Sarkar, Shyam, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…We report a facile microwave-assisted green synthetic route for colloidal poly(vinyl alcohol) (PVA)-coated europium (Eu3+)-doped luminescent heavy metal…”
Get full text

Selective Detection of Chromate and Permanganate Ions Using Gallic Acid Capped CaF2:Tb3+ Nanocrystals by Madhukar, Nikita, Adusumalli, Venkata N. K. B., Koppisetti, Heramba V. S. R. M., Mondal, Ayan, Ito, Akitaka, Park, Yong II, Mahalingam, Venkataramanan

“…In this study, we have developed ligand‐sensitized Ln3+‐doped nanocrystals (NCs) for the selective sensing of Cr2O72− and MnO4− ions in nanomolar…”
Get full text

Classification of Transitions in Upconversion Luminescence of Lanthanides by Two-Dimensional Correlation Analysis by Mukhuti, Kingshuk, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan, Bansal, Bhavtosh

“…Upconversion luminescence bands from Yb3+/Er3+ codoped into a matrix such as NaGdF4 can show a very complex structure on account of multiple intra-f shell…”
Get full text

3,5-Dinitrobenzoic Acid-Capped Upconverting Nanocrystals for the Selective Detection of Melamine by Hazra, Chanchal, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…In this Research Article, we report for the first time the use of upconverting nanoparticles to detect melamine up to nanomolar concentration. Detection of…”
Get full text

Ligand‐Sensitised LaF3:Eu3+ and SrF2:Eu3+ Nanoparticles and in Vitro Haemocompatiblity Studies by Adusumalli, Venkata N. K. B., Mrówczyńska, Lucyna, Kwiatek, Dorota, Piosik, Łukasz, Lesicki, Andrzej, Lis, Stefan

“…Luminescent Ln3+‐doped nanoparticles (NPs) functionalised with the desired organic ligand molecules for haemocompatibility studies were obtained in a one‐pot…”
Get full text

Methyl Oleate-Capped Upconverting Nanocrystals: A Simple and General Ligand Exchange Strategy To Render Nanocrystals Dispersible in Aqueous and Organic Medium by Meesaragandla, Brahmaiah, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…We report a simple and general ligand exchange strategy to functionalize the nanocrystals with both hydrophobic and hydrophilic ligands. This is achieved by…”
Get full text

Highly Selective and Sensitive Detection of Cu2+ Ions Using Ce(III)/Tb(III)-Doped SrF2 Nanocrystals as Fluorescent Probe by Sarkar, Shyam, Chatti, Manjunath, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…We report a green synthetic approach to the synthesis of water dispersible Ce3+/Tb3+-doped SrF2 nanocrystals, carried out using environment friendly microwave…”
Get full text

Triple-Mode Protection with Ln3+ Ion-Doped Core–Heptad-Shell Single Nanocrystals for High-Level Security Applications by Adusumalli, Venkata N. K. B., Yu, Hyeon Jung, Goh, Yeongchang, Nam, Sang Hwan, Park, Yong Il

“…In this work, oleic acid (OA)-capped core–heptad-shell (CHS) nanocrystals (NCs) that exhibit multiple emissions achieved through downshifting and orthogonal…”
Get full text

Triple-Mode Protection with Ln 3+ Ion-Doped Core-Heptad-Shell Single Nanocrystals for High-Level Security Applications by Adusumalli, Venkata N K B, Yu, Hyeon Jung, Goh, Yeongchang, Nam, Sang Hwan, Park, Yong Il

“…In this work, oleic acid (OA)-capped core-heptad-shell (CHS) nanocrystals (NCs) that exhibit multiple emissions achieved through downshifting and orthogonal…”
Get full text

Record‐High Responsivity and High Detectivity Broadband Photodetectors Based on Upconversion/Gold/Prussian‐Blue Nanocomposite by Gupta, Akash, Patel, Dinesh Kumar, Lee, Song Yeul, Rigosi, Albert F., Elmquist, Randolph E., Adusumalli, Venkata N. K. B., Liang, Chi‐Te, Park, Yong Il

“…The development of high‐quality and strongly Au conjugated upconversion nanoparticles (UCNPs) is time‐consuming and requires specific chemicals. Therefore, a…”
Get full text

Ligand-Sensitised LaF 3 :Eu 3+ and SrF 2 :Eu 3+ Nanoparticles and in Vitro Haemocompatiblity Studies by Adusumalli, Venkata N K B, Mrówczyńska, Lucyna, Kwiatek, Dorota, Piosik, Łukasz, Lesicki, Andrzej, Lis, Stefan

“…Luminescent Ln -doped nanoparticles (NPs) functionalised with the desired organic ligand molecules for haemocompatibility studies were obtained in a one-pot…”
Get full text

Strong Single-Band Blue Emission from Colloidal Ce3+/Tm3+-Doped NaYF4 Nanocrystals for Light-Emitting Applications by Adusumalli, Venkata N. K. B., Sarkar, Shyam, Mahalingam, Venkataramanan

“…An intense single‐band blue emission at λ=450 nm is observed from Tm3+ ions through Ce3+ sensitization, for the first time, in colloidal Ce3+/Tm3+‐doped NaYF4…”
Get full text

Ce3+‐Sensitized Tm3+/Mn2+‐Doped NaYF4 Colloidal Nanocrystals: Intense Cool White Light from a Phosphor‐Coated UV LED by Adusumalli, Venkata N. K. B., Koppisetti, Heramba V. S. R. M., Mahalingam, Venkataramanan

“…Colloidal NaYF4:Ce3+/Tm3+/Mn2+ nanocrystals found to be an efficient single component phosphor to produce intense white light. The use of Mn2+ ions instead of…”
Get full text

Ce 3+ -Sensitized Tm 3+ /Mn 2+ -Doped NaYF 4 Colloidal Nanocrystals: Intense Cool White Light from a Phosphor-Coated UV LED by Adusumalli, Venkata N K B, Koppisetti, Heramba V S R M, Mahalingam, Venkataramanan

“…Colloidal NaYF :Ce /Tm /Mn nanocrystals found to be an efficient single component phosphor to produce intense white light. The use of Mn ions instead of green-…”
Get full text

EDTA functionalization of SrF2:Yb,Er nanoparticles by hydrothermal synthesis: Intense red upconversion, NIR-to-NIR emission and luminescence nanothermometry characteristics by Senthilselvan, J., Thomas, Sinju, Anbharasi, L., Sarkar, Debashrita, Adusumalli, Venkata N. K. B., Arun Kumar, S., Yamini, S., Gunaseelan, M., Manonmani, J., Mahalingam, Venkataramanan

“…SrF 2 based upconversion nanoparticles (UCNPs) were synthesized by hydrothermal method using ethylenediaminetetraacetic acid (EDTA) as surfactant, by doping…”
Get full text

Frontispiece: Tuning the Energy Transfer Efficiency between Ce3+ and Ln3+ Ions (Ln=Tm, Sm, Tb, Dy) by Controlling the Crystal Phase of NaYF4 Nanocrystals by Adusumalli, Venkata N. K. B., Koppisetti, Heramba V. S. R. M., Ganguli, Sagar, Sarkar, Shyam, Mahalingam, Venkataramanan

“…Nanocrystals The control of the phase of the nanocrystals can tune the energy transfer efficiency between Ce3+ and Ln3+ ions in NaYF4 (Ln=Tm, Sm, Tb, Dy)…”
Get full text

Tuning the Energy Transfer Efficiency between Ce 3+ and Ln 3+ Ions (Ln=Tm, Sm, Tb, Dy) by Controlling the Crystal Phase of NaYF 4 Nanocrystals by Adusumalli, Venkata N K B, Koppisetti, Heramba V S R M, Ganguli, Sagar, Sarkar, Shyam, Mahalingam, Venkataramanan

“…NaYF is a superior host matrix to study the luminescence properties of lanthanide (Ln ) ions. Ln ions in hexagonal-phase NaYF (β-phase) nanocrystals (NCs)…”
Get full text

3,5-Dihydroxy Benzoic Acid-Capped CaF2:Tb3+ Nanocrystals as Luminescent Probes for the WO42– Ion in Aqueous Solution by Adusumalli, Venkata N. K. B., Runowski, Marcin, Lis, Stefan

“…We report a facile and effective luminescence method for the determination of the WO 4 2– ion in aqueous medium at initial pH = 6.3. This is achieved using…”
Get full text

3,5-Dihydroxy Benzoic Acid-Capped CaF2:Tb3+ Nanocrystals as Luminescent Probes for the WO4 2– Ion in Aqueous Solution by Adusumalli, Venkata N. K. B, Runowski, Marcin, Lis, Stefan

“…We report a facile and effective luminescence method for the determination of the WO4 2– ion in aqueous medium at initial pH = 6.3. This is achieved using…”
Get full text

3,5-Dihydroxy Benzoic Acid-Capped CaF 2 :Tb 3+ Nanocrystals as Luminescent Probes for the WO 4 2- Ion in Aqueous Solution by Adusumalli, Venkata N K B, Runowski, Marcin, Lis, Stefan

“…We report a facile and effective luminescence method for the determination of the WO ion in aqueous medium at initial pH = 6.3. This is achieved using…”
Get full text