Dr. RAMA KRISHNA CHAVA
Research Professor
Books/Book Chapters
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01. Chapter 21: Hydrogen gas sensing application of Au@In2O3 core–shell hybrid nanoparticles,
in Noble Metal-Metal Oxide Hybrid Nanoparticles: Fundamentals and Applications, Editors: Satyabrata Mohapatra Tuan Anh Nguyen Phuong Nguyen-Tri
Book Series: Advanced Nanomaterials
Publisher: Elsevier, October 01, 2018.
Hardcover ISBN: 978-0-12-814134-2; eBook ISBN: 978-0-12-814135-9
Publications
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2022
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63. Band structure alignment transitioning strategy for the fabrication of efficient photocatalysts for solar fuel generation and environmental remediation applications
Rama Krishna Chava*, Namgyu Son, Misook Kang*
Journal of Colloid and Interface Science Volume 627, December 2022, Pages 247-260.
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62. Bismuth quantum dots anchored one-dimensional CdS as plasmonic photocatalyst for pharmaceutical tetracycline hydrochloride pollutant degradation
Rama Krishna Chava*, Namgyu Son, Misook Kang*
Chemosphere Volume 300, August 2022, 134570.
2021
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61. Surface engineering of CdS with ternary Bi/Bi2MoO6-MoS2 heterojunctions for enhanced photoexcited charge separation in solar-driven hydrogen evolution reaction
Rama Krishna Chava*, Namgyu Son, Misook Kang*
Applied Surface Science Volume 565, 1 November 2021, 150601.
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60. Controllable oxygen doping and sulfur vacancies in one dimensional CdS nanorods for boosted hydrogen evolution reaction
Rama Krishna Chava*, Namgyu Son, Misook Kang*
Journal of Alloys and Compounds Volume 873, 25 August 2021, 159797.
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59. Fabrication of oxygen vacancy rich ultrafine ceria nanocubes decorated one dimensional CdS heteronanostructures for efficient visible light driven hydrogen evolution reaction
Rama Krishna Chava*, Namgyu Son, Misook Kang*
Applied Surface Science Volume 556, 1 August 2021, 149731.
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58. n-Eicosane-Fe3O4@SiO2@Cu microcapsule phase change material and its improved thermal conductivity and heat transfer performance
Jeong Yeon Do, Namgyu Son, Jongmin Shin, Rama Krishna Chava, Sang Woo Joo, Misook Kang*
Materials & Design Volume 198, 15 January 2021, 109357.
2020
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57. Plasmon-Induced Hot Electron Amplification and Effective Charge Separation by Au Nanoparticles Sandwiched between Copper Titanium Phosphate Nanosheets and Improved Carbon Dioxide Conversion to Methane
Jeong Yeon Do, Namgyu Son, Rama Krishna Chava, Kotesh Kumar Mandari, Sadanand Pandey, Vignesh Kumaravel, T. S. Senthil, Sang Woo Joo, and Misook Kang*
ACS Sustainable Chem. Eng. 2020, 8, 50, 18646–18660
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56. Effective charge separation through the sulfur vacancy interfacial in n-CdO/p-CdS bulk heterojunction particle and its solar-induced hydrogen production
Byung Hyun Park Junhee Lee, Hyerim Park, Jeong Yeon Do, Young soo Kim,
Rama Krishna Chava, Misook Kang*
Journal of Industrial and Engineering Chemistry, 91 (2020) 149-166.
55. Controlled Growth and Bandstructure Properties of One Dimensional Cadmium Sulfide Nanorods for Visible Photocatalytic Hydrogen Evolution Reaction
Rama Krishna Chava*, Namgyu Son, Yang Soo Kim, Misook Kang
Nanomaterials 2020, 10(4), 619.
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54. Integration of perovskite type Bi2MoO6 nanosheets onto one dimensional CdS: a type-II heterostructured photocatalytic system for efficient charge separation in the hydrogen evolution reaction
Rama Krishna Chava*, Namgyu Son, Yang Soo Kim and Misook Kang
Inorg. Chem. Front., 2020,7, 2818-2832
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2019
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53. Electrochemical Synergies of Heterostructured Fe2O3-MnO Catalyst for Oxygen Evolution Reaction in Alkaline Water Splitting
Junyeong Kim, Jun Neoung Heo, Jeong Yeon Do, Rama Krishna Chava, and Misook Kang
Nanomaterials 2019, 9(10), 1486.
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52. Fabrication of Ag based ternary nanocomposite system for visible-light photocatalytic hydrogen evolution reaction
Jeong Yeon Do, Rama Krishna Chava, Young Il Kim, Dae Won Cho, Misook Kang
Applied Surface Science 494 (2019) 886–894.
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51. Enhanced photoexcited carrier separation in CdS-SnS2 heteronanostructures: A new 1D-0D visible photocatalytic system for hydrogen evolution reaction
Rama Krishna Chava, Jeong Yeon Do, Misook Kang
Journal of Materials Chemistry A 7 (2019) 13614-13628.
50. Photocatalytic Hydrogen Production: Role of Sacrificial Reagents on the Activity of Oxide, Carbon, and Sulfide Catalysts
Vignesh Kumaravel, Muhammad Danyal Imam, Ahmed Badreldin, Rama Krishna Chava,
Jeong Yeon Do, Misook Kang and Ahmed Abdel-Wahab
MDPI-Catalysts, 9 (2019) 276.
49. Strategy for Improving the Visible Photocatalytic H2 Evolution Activity of 2D Graphitic Carbon Nitride Nanosheets through the Modification with Metal and Metal Oxide Nanocomponents
Rama Krishna Chava, JeongYeon Do, Misook Kang
Applied Catalysis B: Environmental 248 (2019) 538-551.
48. Fabrication of aggregated In2O3 nanospheres for highly sensitive acetaldehyde gas sensors
Rama Krishna Chava, Ha-Young Cho, Jeong-Mo Yoon, Yeon-Tae Yu
Journal of Alloys and Compounds 772 (2019) 834-842.
2018
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47. Effect of Ce Doping of a Co/Al2O3 Catalyst on Hydrogen Production via Propane Steam Reforming
Jeong Yeon Do, Rama Krishna Chava, Namgyu Son, Junyeong Kim, No-Kuk Park, Doyeon Lee, Myung Won Seo, Ho-Jung Ryu, Jun Hwa Chi and Misook Kang
Catalysts 8 (2018) 413.
46. Selective methane production from visible-light-driven photocatalytic carbon dioxide reduction using the surface plasmon resonance effect of superfine silver nanoparticles anchored on lithium titanium dioxide nanocubes (Ag@LixTiO2)
Jeong Yeon Do, Rama Krishna Chava, Kotesh Kumar Mandari, No-Kuk Park, Ho-Jung Ryu,
Myung Won Seo, Doyeon Lee, T.S. Senthil, Misook Kang
Applied Catalysis B: Environmental 237 (2018) 895-910
45. Fabrication of core@interface:shell structured CuS@CuInS2:In2S3 particles for highly efficient solar hydrogen production
Jeong Yeon Do, Rama Krishna Chava, Seog K. Kim, Keepyung Nahm, No-Kuk Park, Jin-Pyo Hong, Seung Jong Lee, Misook Kang
Applied Surface Science 451 (2018) 86-98.
44. Smart hybridization of Au coupled CdS nanorods with few layered MoS2 nanosheets for high performance photocatalytic hydrogen evolution reaction
Rama Krishna Chava, Jeong Yeon Do, Misook Kang
ACS Sustainable Chemistry & Engineering, 6 (2018) 6445-6457.
43. Hydrothermal growth of two dimensional hierarchical MoS2 nanospheres on one dimensional CdS nanorods for high performance and stable visible photocatalytic H2 evolution
Rama Krishna Chava, Jeong Yeon Do, Misook Kang
Applied Surface Science 433 (2018) 240–248.
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2017
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42. Fabrication of CdS-Ag3PO4 heteronanostructures for improved visible photocatalytic hydrogen evolution
Rama Krishna Chava, Jeong Yeon Do, Misook Kang
Journal of Alloys and Compounds 727 (2017) 86-93.
41. Nitrogen Doped Carbon Quantum Dots as a Green Luminescent Sensitizer toFunctionalize ZnO Nanoparticles for Enhanced Photovoltaic Conversion Devices
Rama Krishna Chava, Younghwan Im, Misook Kang
Materials Research Bulletin 94 (2017) 399-407.
40. Ag2S quantum dot sensitized zinc oxide photoanodes for environment friendly photovoltaic devices
Rama Krishna Chava, Misook Kang
Materials Letters 199 (2017) 188–191.
39. Improvement in light harvesting and device performance of dye sensitized solar cells using electrophoretic deposited hollow TiO2 NPs scattering layer
Rama Krishna Chava, Woo-Min Lee, Sang-Yeob Oh, Kwang-Un Jeong, Yeon-Tae Yu
Solar Energy Materials and Solar Cells 161 (2017) 255-262.
38. Improving the photovoltaic conversion efficiency of ZnO based dye sensitized solar cells by Indium doping
Rama Krishna Chava, Misook Kang
Journal of Alloys and Compounds 692 (2017) 67-76.
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2016
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37. Enhanced H2 gas sensing properties of Au@In2O3 core–shell hybrid metal–semiconductor heteronanostructures
Rama Krishna Chava, Sang-Yeob Oh, and Yeon-Tae Yu
CrystEngComm (RSC Publishing) 18 (2016) 3655-3666.
36. Synthesis and electrophoretic deposition of hollow-TiO2 nanoparticles for dye sensitized solar cell applications
Rama Krishna Chava, Sudarsan Raj, Yeon-Tae Yu
Journal of Alloys and Compounds 672 (2016) 212-222.
35. Structural and optical properties of Cu(II) ions doped calcium borophosphate (CaBP) nanophosphor by solid-state synthesis
M. Rajesh Yadav, B. Jaya Raja, M. Avinash, Ch. Rama Krishna, R.V.S.S.N. Ravikumar,
Journal of Materials Science: Materials in Electronics 27 (2016) 1318-1327.
34. Spectroscopic Properties of Undoped and Mn2+ doped Calcium Borophosphate Phosphor (CaBP) Nanopowders
M. Rajesh Yadav, B. Jaya Raja, V. Pushpa Manjari, M. Avinash, Ch. Rama Krishna, R.V.S.S.N. Ravikumar
Indian Journal of Physics 90 (2016) 185-193.
2015
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33. Formation of core@multi-shell CdSe@CdZnS–ZnS quantum dot heterostructure films by pulse electrophoresis deposition
Sudarsan Raj , Jin Hyeon Yun, Ganpurev Adilbish, Rama Krishna Ch, In Hwan Lee, Min Sang Lee, Yeon-Tae Yu
Superlattices and Microstructures 83 (2015) 618–626.
32. Structural and optical properties of CdO/ZnS core/shell nanocomposites
R. Joyce Stella, G. Thirumala Rao, V. Pushpa Manjari, B. Babu, Ch. Rama Krishna,
R.V.S.S.N. Ravikumar
Journal of Alloys and Compounds 628 (2015) 39-45.
2014
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31. Synthesis and characterization of undoped and Mn(II)ions doped Li2CaAl4(PO4)4F4 nanophosphors
B. Jaya Raja, M. Rajesh Yadav, V. Pushpa Manjari, B. Babu, Ch. Rama Krishna,
R.V.S.S.N. Ravikumar,
Journal of Molecular Structure 1076 (2014) 461-467.
30. Synthesis and spectral investigations of Cu(II) ion-doped NaCaAlPO4F3 phosphor
V. Pushpa Manjari, Ch. Rama Krishna, Ch. Venkata Reddy, R. V. S. S. N. Ravikumar
Luminescence: The Journal of Biological and Chemical Luminescence 29 (2014) 1123-1129.
29. Characterization of Cr3+ doped mixed alkali ions effect in zinc borate glasses – Physical and spectroscopic investigations
G. Rama Sundari, V. Pushpa Manjari, T. Raghavendra Rao, D.V. Satish, Ch. Rama Krishna, Ch. Venkata Reddy, R.V.S.S.N. Ravikumar
Optical Materials 36 (2014)1329-1335.
28. Synthesis and spectral investigations of Mn(II) ions doped NaCaAlPO4F3 phosphor
V. Pushpa Manjari, Ch. Rama Krishna, Sk. Muntaz Begum and R.V.S.S.N. Ravikumar
Eur. Phys. J. Appl. Phys. 65 (2014) 10403 (7 pages).
27. Synthesis and spectral characterizations of trivalent ions (Cr3+, Fe3+) doped CdO nanopowders
T. Aswani, B. Babu, V. Pushpa Manjari, R. Joyce Stella, G. Thirumala Rao, Ch. Rama Krishna, R.V.S.S.N. Ravikumar
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 121 (2014) 544-550.
26. Synthesis and characterization of Vanadium ions containing Chlorocadmiumphosphate CdHPO4Cl·[H3N (CH2)6NH3]0.5 crystals
Ch. Rama Krishna, R.V.S.S.N. Ravikumar
Physica B: Condensed Matter, 433 (2014) 7-11.
25. Synthesis and Characterization of undoped and Fe(III) ions doped NaCaAlPO4F3 phosphor
V. Pushpa Manjari, Ch. Rama Krishna, Ch. Venkata Reddy, Sk. Muntaz Begum, Y.P. Reddy, R.V.S.S.N. Ravikumar
Journal of Luminescence 145 (2014) 324-329.
2013
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24. Spectral investigations of Mn2+ doped Zn3(BO3)2 nanopowder
G.V.S.S. Sarma, Ch.Venkata Reddy, S.V. Prabhakar Vattikuti, Ch. Rama Krishna, P. Narayana Murthy, R.V.S.S.N. Ravikumar
Journal of Molecular Structure 1048 (2013) 64-68.
23. Synthesis and structural characterization of Co2+ doped ZnO nanopowders by solid state reaction through sonication
B. Babu, Ch. Rama Krisna, Ch. Venkata Reddy, V. Pushpa Manjari, R.V.S.S.N. Ravikumar
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, 109 (2013) 90-96.
22. Optical Band gap and FT-IR studies on Cu2+ doped 20ZnO + xLi2O + (30-x) Na2O + 50 B2O3 glasses
T. Raghavendra Rao, Ch. Venkata Reddy, U.S. Udaychandran Thampy, Ch. Rama Krishna, Y.P. Reddy, P. Sambasiva Rao, R.V.S.S.N. Ravikumar
Opto-Electronics and Advanced Materials–Rapid Communications 7 (2013) 43-48.
21. Characterization of Fe3+ doped mixed alkali zinc borate glasses-Physical and spectroscopic investigations
G. Rama Sundari, D.V. Sathish, T. Raghavendra Rao, Ch. Rama Krishna, Ch. Venkata Reddy, R.V.S.S.N. Ravikumar
Journal of Non-Crystalline Solids 365 (2013) 6-12.
20. Mixed Alkali Effect in Mn2+ doped 20ZnO+xLi2O+(30-x)K2O+50B2O3 (5≤x≤25) glasses
G. Krishna Kumari, Ch. Rama Krishna, Sk. Muntaz Begum, V. Pushpa Manjari, P.N. Murthy, R.V.S.S.N. Ravikumar
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 101 (2013) 140–147.
19. Structural Investigations on Cu2+ ions doped ZnCdO nanopowder
D.V. Sathish, Ch. Rama Krishna, Ch.Venkata Reddy, T. Raghavendra Rao, P.S. Rao, R.V.S.S.N. Ravikumar
Journal of Molecular Structure 1034 (2013) 57-61.
　　　　
2012
18. Structural and Optical Investigations on ZnCdO Nanopowder
D.V.Sathish, Ch.Rama Krishna, Ch.Venkata Reddy, U.S.Udayachandran Thampy and R.V.S.S.N.Ravikumar
Physica Scripta 86 (2012) 035708 (6 pp).
　　　　
17. Physical and optical properties of Co2+, Ni2+ doped 20ZnO+xLi2O+(30-x)K2O+50B2O3(5≤x≤25) glasses: Observation of Mixed Alkali Effect
G. Krishna Kumari, Sk. Muntaz Begum, Ch.Rama Krishna, D.V.Sathish, P.N.Murthy,　P.S.Rao and R.V.S.S.N.Ravikumar
Materials Research Bulletin 47 (2012) 2646-2654.
　　　　　
16. Synthesis and optical properties of Co2+ and Ni2+ ions doped β- BaB2O4 nanopowders
Ch. Venkata Reddy, Ch.Rama Krishna, T. Raghavendra Rao, D.V.Sathish, P.S.Rao, R.V.S.S.N. Ravikumar
Journal of Luminescence 132 (2012) 2325–2329.
15. Synthesis and Spectral Characterization of Fe3+ doped β-BaB2O4 nanocrystallite powder
Ch.Venkata Reddy, Ch.Rama Krishna, T.Raghavendra Rao, U.S.Udayachandran Thampy, Y.P. Reddy, P.S. Rao, and R.V.S.S.N. Ravikumar
Journal of Molecular Structure 1012 (2012) 17–21.
14. Synthesis and spectroscopic characterization of Cu(II) containing
Chlorocadmiumphosphate Cd(HPO4)Cl.[H3N(CH2)6NH3]0.5 crystals
Ch. Rama Krishna, Ch. Venkata Reddy, U.S. Udayachandran Thampy,
A.V. Chandrasekhar, Y.P. Reddy, P. Sambasiva Rao, R.V.S.S.N. Ravikumar
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy　85 (2012) 160-164.
2011
13. Synthesis and spectroscopic characterization of Mn(II) ions doped organic amine templated Chlorocadmiumphosphate CdHPO4Cl·[H3N(CH2)6NH3]0.5 Crystals
Ch. Rama Krishna, U.S.Udayachandran Thampy, D.V.Sathish, Ch. Venkata Reddy,
A.V. Chandrasekhar, Y.P. Reddy, P.S. Rao, R.V.S.S.N. Ravikumar
Journal of Coordination Chemistry 64 (2011) 4276-4285.　　　
12. Spectroscopic investigations and physical properties of Mn2+ doped mixed alkali zinc borate glasses
T.Raghavendra Rao, Ch.Venkata Reddy, Ch.Rama Krishna, D.V.Sathish, P.Sambasiva Rao, R.V.S.S.N. Ravikumar
Materials Research Bulletin 46 (2011) 2222-2229.
11. Spectral Investigations on Cu2+ doped ZnO nanopowders
U.S. Udayachandran Thampy, Ch. Rama Krishna, Ch.Venkata Reddy, B. Babu, Y.P. Reddy, P.S. Rao, R.V.S.S.N. Ravikumar
Applied Magnetic Resonance 41 (2011) 69-78.
10. Spectral investigations on Cu2+ doped β- Barium Borate Nanorods by co-precipitation Method
Ch. Venkata Reddy, Ch. Rama Krishna, U.S. Udayachandran Thampy, Y.P. Reddy, P.S.Rao, R.V.S.S.N.Ravikumar
Physica Scripta 84 (2011) 025602 (6p).
09. Correlation between physical and structural properties of Co2+ doped mixed alkali zinc borate glasses
T. Raghavendra Rao, Ch.Venkata Reddy, Ch.Rama Krishna, U.S. Udayachandran Thampy, R. Ramesh Raju, P.Sambasiva Rao, R.V.S.S.N. Ravikumar
Journal of Non-Crystalline Solids 357 (2011) 3379-3386.
　　　
08. Mixed Alkali Effect and optical properties of Ni2+ doped 20ZnO+xLi2O +(30-x)Na2O+ 50B2O3 glasses
T.Raghavendra Rao, Ch.Rama Krishna, Ch.Venkata Reddy, U.S. Udayachandran Thampy, Y.P. Reddy, P.S. Rao, R.V.S.S.N. Ravikumar
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 79 (2011) 1116-1122.
07. An efficient and room temperature synthesis of Fe3+ doped Chlorocadmium-phosphate molecular sieves: Spectroscopic, Thermal and Powder XRD Investigations
Ch. Rama Krishna, Ch.Venkata Reddy, U.S.Udayachandran Thampy, Y.P. Reddy, P. Sambasiva Rao, R.V.S.S.N.Ravikumar
Inorganic Chemistry Communications 14 (2011) 1048-1052.
06. Effect of Li2O content on physical and structural properties of vanadyl doped alkali zinc borate glasses
T. Raghavendra Rao, Ch. Rama Krishna, U.S. Udayachandran Thampy, Ch.Venkata Reddy, Y.P. Reddy, P. Sambasiva Rao & R.V.S.S.N. Ravikumar
Physica B: Condensed Matter 406 (2011) 2132-2137.
05. Physical and spectral investigations of Cu2+ doped alkali Zinc Borate glassesT.Raghavendra Rao, Ch.Rama Krishna, U.S.Udayachandran Thampy, Ch.Venkata Reddy, Y.P.Reddy, P.Sambasiva Rao, R.V.S.S.N. Ravikumar
Applied Magnetic Resonance 40 (2011) 339-350.
2010
04. Spectroscopic studies of Vanadyl doped MB4O7 (M = Zn, Cd) glasses
K.S.N. Murthy, P. Narayana Murty, Ch. Rama Krishna, P.S. Rao and R.V.S.S.N. Ravikumar
Physics and Chemistry of Glasses: European Journal of Glass Science and Technology B 51 (2010) 281-282.
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03. Co(II) ion doped Chlorocadmiumphosphate Cd(HPO4)Cl·[H3N(CH2)6NH3]0.5 crystals: A novel organically templated hybrid open-framework
Ch. Rama Krishna, U.S. Udayachandran Thampy, Y.P. Reddy, P.S. Rao, Jun Yamauchi, R.V.S.S.N.Ravikumar
Solid State Communications 150 (2010) 1479-1482.
02. Bonding nature of transition metal ions doped strontium tetraborate glasses
V. Vijaya, Ch. Rama Krishna, P.S. Rao, J. Yamauchi, R.V.S.S.N. Ravikumar
Physics Chemistry of Glasses: European Journal of Glass Science and Technology B 51 (2010) 117- 120. 　　　
01. X-Ray Powder Diffraction, Thermal Analysis and IR studies of Zinc Ammonium Phosphate Hexahydrate
R.V.S.S.N.Ravikumar, A.V.Chandrasekhar, Ch.Rama Krishna, Y.P. Reddy
Optoelectronics and Advanced Materials -Rapid Communications 4 (2010) 215-219.