Sanju Rani

Indian Institute of Technology Madras

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Vidya Nand Singh

CSIR National Physical Laboratory of India

Manoj Kumar

Council of Scientific and Industrial Research

Somnath C. Roy

Indian Institute of Technology Madras

Yogesh Singh

Academy of Scientific and Innovative Research

M. C. Bhatnagar

Indian Institute of Technology Delhi

Manu Santhanam

Indian Institute of Technology Madras

Ashish Kumar

Central University of Jammu

Sudhir Husale

Council of Scientific and Industrial Research

D. Kanjilal

Inter-University Accelerator Centre

Xu Wang

Dalian University

Cooperative Institutions

Council of Scientific and Industrial Research

Academy of Scientific and Innovative Research

CSIR National Physical Laboratory of India

Indian Institute of Technology Delhi

Indian Institute of Technology Madras

Banaras Hindu University

University of Delhi

Indian Institute of Technology Indore

National Physical Laboratory

Pennsylvania State University

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Theory, Instrumentation and Applications of Magnetoelastic Resonance Sensors: A Review

Sensors (2011)

Craig A. Grimes Somnath C. Roy Sanju Rani Qingyun Cai

Thick-film magnetoelastic sensors vibrate mechanically in response to a time varying magnetic excitation field. The mechanical vibrations of the magnetostrictive magnetoelastic material launch, in turn, a magnetic field by which the sensor can be monitored. Magnetic field telemetry enables contact-less, remote-query operation that has enabled many practical uses of the sensor platform. This paper builds upon a review paper we published in Sensors in 2002 (Grimes, C.A.; et al. Sensors 2002, 2, 294-313), presenting a comprehensive review on the theory, operating principles, instrumentation and key applications of magnetoelastic sensing technology.

Instrumentation

10.3390/s110302809

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Citations (181)

Photo-Current Enhancement in Carbon Quantum Dots Functionalized Titania Nanotube Arrays

Journal of Nanoscience and Nanotechnology (2016)

Sanju Rani Pramod H. Borse Alka Pareek N. Rajalakshmi K. S. Dhathathreyan

Highly aligned, vertically oriented, TiO2 nanotube arrays fabricated by electrochemical anodization were functionalised by carbon quantum dots (CQD) synthesized by an electrochemical reduction technique. Here, we report the photo-electrochemical properties of such TiO2 nanotubes array-CQD composite material and it has been found that the properties are significantly enhanced compared to that in pristine (bare) nanotubes. The TiO2 nanotubes were characterized by X-ray diffraction and scanning electron microscopy, whereas the CQD samples were characterized by transmission electron microscopy, optical absorption spectroscopy. CQDs synthesized under two different conditions showed a distinct size difference and corresponding absorption spectra revealed concominant shift in the absorption edges. Furthermore, the photo-electrochemical measurements were carried out with the help of photo-current, incident photon to current conversion efficiency (IPCE), Mott-Schottky plots and the impedance analysis. The photo-current data revealed 30% improvement in TiO2-CQD samples compared to bare TiO2 nanotubes samples. A higher photo-conversion efficiency was observed along with the shifting of the peak value towards visible wavelengths. The Mott-Schottky plots revealed shift in the flat-band potential in the CQD-TiO2 samples and corresponding lowering of the charge transfer resistance was observed through the impedance spectroscopy.

Blueshift

10.1166/jnn.2016.11040

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Citations (1)

Highly responsive, low-bias operated SnSe2 nanostructured thin film for trap-assisted NIR photodetector

Journal of Alloys and Compounds (2020)

Manoj Kumar Sanju Rani Animesh Pandey Kuldeep Singh Gour Sudhir Husale

Trap (plumbing)

10.1016/j.jallcom.2020.155384

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Citations (35)

Exploring the optoelectronic properties of SnSe: a new insight

Journal of Materials Chemistry C (2022)

Manoj Kumar Sanju Rani Pargam Vashishtha Govind Gupta Xu Wang

Open-air annealing of SnSe led to a stable and enhanced photoconductive device. The structure was grown into a complete solar cell.

Photoconductivity

10.1039/d2tc03799h

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Citations (15)

Structure, microstructure and photoluminescence properties of Fe doped SnO2 thin films

Solid State Communications (2006)

Sanju Rani Somnath C. Roy N. Karar M. C. Bhatnagar

Blueshift

10.1016/j.ssc.2006.10.036

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Citations (100)

Evolution of a weak magnetic moment in the FeNbSb based HH materials via Ni doping at Fe site

Journal of Magnetism and Magnetic Materials (2022)

Ashish Kumar Bal Govind Sahiba Bano Manoj Kumar Yogesh Singh

10.1016/j.jmmm.2022.169306

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Citations (1)

Concentration specific and tunable photoresponse of bismuth vanadate functionalized hexagonal ZnO nanocrystals based photoanodes for photoelectrochemical application

Solid State Sciences (2017)

Sonal Singh Aakansha Ruhela Sanju Rani Manika Khanuja Rishabh Sharma

Photocurrent

Wurtzite crystal structure

Bismuth vanadate

Monoclinic crystal system

Nanocrystalline material

10.1016/j.solidstatesciences.2017.12.003

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Citations (25)

A scalable approach for functionalization of TiO2 nanotube arrays with g-C3N4 for enhanced photo-electrochemical performance

Journal of Alloys and Compounds (2020)

Beauty Pandey Sanju Rani Somnath C. Roy

Photocurrent

Graphitic carbon nitride

Surface Modification

10.1016/j.jallcom.2020.155881

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Citations (36)

A Gas Sensor Array Based on Metal Selenides

CRC Press eBooks (2024)

Sanju Rani Manoj Kumar Kuldeep Singh Gour Gopal Rawat Vidya Nand Singh

The necessity and significance of gas sensors are covered in this chapter, along with details on the volume and structure of exciting markets. The methods used for their deposition on the appropriate substrates are also presented, along with methodologies for the synthesis of sensitive materials. A greater knowledge of sensing's effects on the development of various synthesis concepts is offered. The definitions for the sensor and their analytical performance are also provided in this chapter. It discusses how interaction with ambient gases alters surface and free charge carrier concentration, as well as the factors affecting selenide semiconductivity. The most fascinating gas-sensitive materials are shown, along with their unique characteristics.

Selenide

10.1201/9781032673691-6

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Citations (0)

WS2 nanosheets functionalized Fe2O3 nanorod arrays as a type II heterojunction for photoelectrochemical water splitting

Applied Surface Science Advances (2022)

Govinda Chandra Behera Sanju Rani Nasima Khatun Jatin K. Rath Somnath C. Roy

Nanorod

Photocurrent

Chemical bath deposition

Band diagram

10.1016/j.apsadv.2022.100293

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Citations (10)