تصفح حسب المؤلف "Sadasivuni K.K."
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Graphene and graphitic derivative filled polymer composites as potential sensors
Ponnamma D.; Guo Q.; Krupa I.; Al-Maadeed M.A.S.A.; Varughese K.T.; Thomas S.; Sadasivuni K.K.... more authors ... less authors ( Royal Society of Chemistry , 2015 , Article)Graphite and numerous graphitic-derived micro- and nano-particles have gained importance in current materials science research. These two-dimensional sheets of sp2-hybridized carbon atoms remarkably influence the properties ... -
Influence of CuO nanoparticles and graphene nanoplatelets on the sensing behaviour of poly(vinyl alcohol) nanocomposites for the detection of ethanol and propanol vapors
Thangamani G.J.; Deshmukh K.; Chidambaram K.; Ahamed M.B.; Sadasivuni K.K.; Ponnamma D.; Faisal M.; Nambiraj N.A.; Pasha S.K.K.... more authors ... less authors ( Springer New York LLC , 2018 , Article)Poly(vinyl alcohol)/copper oxide/graphene nanoplatelets (PVA/CuO/Gr-NPls) nanocomposite based chemiresistive alcohol sensors were fabricated using colloidal blending method. The PVA/CuO/Gr-NPls nanocomposite films were ... -
Microstructural, mechanical and corrosion behaviour of Al–Si alloy reinforced with SiC metal matrix composite
Bandil K.; Vashisth H.; Kumar S.; Verma L.; Jamwal A.; Kumar D.; Singh N.; Sadasivuni K.K.; Gupta P.... more authors ... less authors ( SAGE Publications Ltd , 2019 , Article)The aim of the present study is to investigate the effect of Si and SiC addition on the microstructure, mechanical, and corrosion properties of Al matrix-based composites. Al–Si (2 wt% fixed) alloy reinforced SiC composites ... -
Microstructure, wear and corrosion characteristics of Cu matrix reinforced SiC–graphite hybrid composites
Jamwal A.; Prakash P.; Kumar D.; Singh N.; Sadasivuni K.K.; Harshit K.; Gupta S.; Gupta P.... more authors ... less authors ( SAGE Publications Ltd , 2019 , Article)The aim of the present study is to investigate the effect of SiC-graphite reinforcement on the properties of pure copper. Copper matrix composites with SiC-graphite reinforcement (0, 2.5,5, 7.5 and 10 wt.%) were prepared ... -
MXenes and their composites for energy harvesting applications
Saraswathi, K.; Reddy, M.S.B.; Rao, K.V.; Deshmukh, K.; Ponnamma, D.; Waseem, S.; Rakha, M.F.I.A.; Pasha, S.K.K.; Sadasivuni, K.K.... more authors ... less authors ( Elsevier , 2021 , Book chapter)Ever-growing energy consumption, increasing demand for smart electronics, and limited fossil fuels have led researchers to seek new energy harvesting technologies that might be ultimate solutions for low-voltage and low-power ... -
Natural polymer based composite membranes for water purification: a review
Dongre R.S.; Sadasivuni K.K.; Deshmukh K.; Mehta A.; Basu S.; Meshram J.S.; Al-Maadeed M.A.A.; Karim A.... more authors ... less authors ( Taylor and Francis Inc. , 2019 , Article Review)The ever-growing population, environmental pollution and ecological degradation cause suffering to human race due to chemicals and other water contaminants such as chemicals, heavy metals, pesticides and insecticides. ... -
Piezoresistive sensors based on electrospun mats modified by 2D Ti3C2Tx MXene
Sobolčiak P.; Tanvir A.; Sadasivuni K.K.; Krupa I. ( MDPI AG , 2019 , Article)The preparation methodology and properties of electroconductive, electrospun mats composed of copolyamide 6,10 and Ti3C2Tx are described in this paper. Mats of several compositions were prepared from a solution of n-propanol. ... -
Polymethyl methacrylate–ovalbumin @ graphene oxide drug carrier system for high anti-proliferative cancer drug delivery
Prabakaran S.; Jeyaraj M.; Nagaraj A.; Sadasivuni K.K.; Rajan M. ( Springer Nature , 2019 , Article)High permeable drug delivery mechanism is indispensable for the treatment of various diseases including cancer. Protein-polymeric carriers have enhanced the permeability and therapeutic of bioactive compounds. Here, ... -
Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite
Goutham S.; Jayarambabu N.; Sandeep C.; Sadasivuni K.K.; Kumar D.S.; Rao K.V.... more authors ... less authors ( Springer-Verlag Wien , 2019 , Article)The authors decribe an ultra-sensitive, room temperature, flexible transparent LPG sensor based on the use of a CdO/graphene nanocomposite. The graphene prevents the accumulation of CdO, enhances the surface area, and acts ... -
Solar photovoltaic based dynamic voltage restorer with DC-DC boost converter for mitigating power quality issues in single phase grid
Paramasivam S.K.; Ramu S.K.; Mani S.; Muthusamy S.; Sundararajan S.C.M.; Panchal H.; Sadasivuni K.K.... more authors ... less authors ( Taylor and Francis Ltd. , 2021 , Article)A new topology of photovoltaic (PV) based transformerless dynamic voltage restorer (TDVR) with high gain DC-DC boost converter is proposed to mitigate voltage sag and swell, interruptions, and unbalanced outages in ... -
Studies on the Electrical Properties of Graphene Oxide-Reinforced Poly (4-Styrene Sulfonic Acid) and Polyvinyl Alcohol Blend Composites
Deshmukh K.; Sankaran S.; Basheer Ahamed M.; Khadheer Pasha S.K.; Sadasivuni K.K.; Ponnamma D.; Al-Ali AlMaadeed M.; Chidambaram K.... more authors ... less authors ( World Scientific Publishing Co. Pte Ltd , 2018 , Article)In the present study, graphene oxide (GO)-reinforced poly (4-styrenesulfonic acid) (PSSA)/polyvinyl alcohol (PVA) blend composite films were prepared using colloidal blending technique at various concentrations of GO ... -
Sunlight-Driven Combustion Synthesis of Defective Metal Oxide Nanostructures with Enhanced Photocatalytic Activity
Hezam A.; Namratha K.; Ponnamma D.; Drmosh Q.A.; Saeed A.M.N.; Sadasivuni K.K.; Byrappa K.... more authors ... less authors ( American Chemical Society , 2019 , Article)Synthesis of metal oxide nanostructures through combustion routes is a promising technique owing to its simplicity, rapidity, scalability, and cost-effectiveness. Herein, a sunlight-driven combustion approach is developed ... -
Superhydrophobic Leaf Mesh Decorated with SiO2 Nanoparticle-Polystyrene Nanocomposite for Oil-Water Separation
Latthe S.S.; Sutar R.S.; Shinde T.B.; Pawar S.B.; Khot T.M.; Bhosale A.K.; Sadasivuni K.K.; Xing R.; Mao L.; Liu S.... more authors ... less authors ( American Chemical Society , 2019 , Article)Here, we report a novel and simple approach to fabricate crater-like superhydrophobic leaf mesh for oil-water separation. Nanocomposite of SiO2 and polystyrene (SiO2-PS) deposited on a naturally dried Tectona grandis leaf ... -
Superior architecture and electrochemical performance of MnO2 doped PANI/CNT graphene fastened composite
Kaushal I.; Sharma A.K.; Saharan P.; Sadasivuni K.K.; Duhan S. ( Springer New York LLC , 2019 , Article)MnO2 doped polyaniline (PANI) grafted on 3D CNTs/graphene was fabricated using basic in situ redox deposition. The HRTEM and FESEM studies validate that MnO2 doped polyaniline (PANI) can be efficiently coated over the ... -
Surface modification and grafting of carbon fibers: A route to better interface
Raphael N.; Namratha K.; Chandrashekar B.N.; Sadasivuni K.K.; Ponnamma D.; Smitha A.S.; Krishnaveni S.; Cheng C.; Byrappa K.... more authors ... less authors ( Elsevier Ltd , 2018 , Article)This review is an audit of various Carbon fibers (CF) surface modification techniques that have been attempted and which produced results with an enhancement in the interfacial characteristics of CFRP systems. An introduction ... -
Surface Modified Zinc Oxide Nanoparticles as Smart UV Sensors
Thomas D.; Prakash J.; Sadasivuni K.K.; Deshmukh K.; Edakkara A.J. ( Springer New York LLC , 2019 , Article)The present paper examines the synthesis of ZnO nanoparticles and their surface modification via the microwave assisted sonochemical method along with its successful application in designing a smart UV sensor. The structure ... -
Various techniques to enhance distillate output of tubular solar still: A review
Panchal H.; Sadasivuni K.K.; Israr M.; Thakar N. ( Elsevier B.V. , 2019 , Article Review)The necessity of freshwater is rising due to the expanding residents as well as fast urbanization. Besides, concerning the drinking purpose, clean water represents a very crucial role in several applications like batteries, ... -
Wollastonite/forsterite composite scaffolds offer better surface for hydroxyapatite formation
Lakshmi R.; Choudhary R.; Ponnamma D.; Sadasivuni K.K.; Swamiappan S. ( Indian Academy of Sciences , 2019 , Article)The present work deals with a comparative study of ceramic/ceramic composites for the development of scaffolds for biomedical applications. Wollastonite and forsterite were synthesized by a sol-gel combustion method. The ...