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Št. zadetkov: 9
Interface engineering of moisture-induced ionic albumen dielectric layers through self-crosslinking of cysteine amino acids for low voltage, high-performance organic field-effect transistors
Suman Mandal, Ajoy Mandal, Shiv Prakash Verma, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: albumen dielectric;organic field-effect transistors;interface engineering;
We have demonstrated how a systematic interface engineering of OFETs can be used to reduce operating voltage to 1.5 V and increase transconductance to 11.68 mS. The results reported in this work not only fundamentally interesting but also technologically relevant.
Leto: 2021 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Diffusion-induced thickness thinning of spin-coated films in crystalline grain boundaries
Ajoy Mandal, Suman Mandal, Shiv Prakash Verma, Subhendu Sekhar Bag, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: bioreceptor integration;compressive strain;diffusion;grain boundaries;thickness thinning;
Complex molecular‐level interactions of receptor molecules with semiconducting channels are often engineered to achieve higher sensitivity. However, integrating receptors in the sensor's semiconducting channel introduces deformation in crystallinity leading to poor device performance. In this work, ...
Leto: 2023 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Transition of activation energy induced by the polarization of Au nanoparticles in organic field-effect transistors at low temperatures
Samik Mallik, Ajoy Mandal, Suman Mandal, Shiv Prakash Verma, Abhirup Das, Prasanta Kumar Guha, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: organic field-effect transistors (OFETs);nano composite dielectric;hysteresis reversal;ǂa ǂtransition in activation energy;polarization of AuNps;hopping-assisted charge transport;
The molecular packing of the organic semiconductors significantly influences charge transport in organic field-effect transistors (OFETs). In addition, a pronounced impact of the dielectric layer is observed on the charge conduction within the few monolayers above the semiconductor–dielectric interf ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Unraveling packing-dependent surface potential contrast in a single-walled carbon nanotube bundle network
Sovanlal Mondal, Suman Mandal, Ajoy Mandal, Samik Mallik, Shiv Prakash Verma, Riya Sadhukhan, Subhamay Pramanik, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: single-walled carbon nanotube;
The surface potential of single-walled carbon nanotube (SWCNT) bundles is influenced by various factors, notably their arrangement during packing. Understanding this packing-dependent surface potential entails examining the interactions between individual nanotubes within a bundle and their collecti ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Electric field-driven bacterial membrane disintegration with real-time electrical response in SWCNT bioelectronic platforms
Sovanlal Mondal, Asima Pradhan, Suman Mandal, Shiv Prakash Verma, Subhamay Pramanik, Ajoy Mandal, Madhuchanda Banerjee, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: electric field-induced membrane disruption;bacterial-electrode interaction;real-time electrical sensing;SWCNT bioelectronics;extra cellular electron transfer;
We report a bioelectronic platform that integrates hydrophilically functionalized single-walled carbon nanotubes (SWCNTs) with Escherichia coli and gold (Au) electrodes to investigate real-time charge transport at microbial–electrode interfaces. Acid-functionalized SWCNTs enhance aqueous dispersibil ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
High-performance biocompatible moisture-enabled nanogenerators using a gelatin-SnS[sub]2 composite for sustainable energy harvesting
Subhamay Pramanik, Sovanlal Mondal, Riya Sadhukhan, Shiv Prakash Verma, Ajoy Mandal, Chandan Sengupta, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: moisture-enabled nano generators;gelatin-SnS2 composites;proton diffusion;sustainable energy harvesting;self-powered medical devices;
The rising global energy demand and environmental concerns necessitate the development of sustainable energy-harvesting technologies. Among these, moisture-enabled nanogenerators (MEGs) have emerged as a promising solution, harnessing ubiquitous moisture in the environment to generate clean energy. ...
Leto: 2025 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Humidity-induced protein-based artificial synaptic devices for neuroprosthetic applications
Riya Sadhukhan, Shiv Prakash Verma, Sovanlal Mondal, Abhirup Das, Rajdeep Banerjee, Ajoy Mandal, Madhuchanda Banerjee, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: artificial synaptic device;biocompatible;gelatin-PEDOT:PSS composite;humidity dependent synaptic behavior;
Neuroprosthetics and brain–machine interfaces are immensely beneficial for people with neurological disabilities, and the future generation of neural repair systems will utilize neuromorphic devices for the advantages of energy efficiency and real‐time performance abilities. Conventional synaptic de ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
MOF-assimilated high-sensitive organic field-effect transistors for rapid detection of a chemical warfare agent
Samik Mallik, Shyam Chand Pal, Snehanjan Acharyya, Shiv Prakash Verma, Ajoy Mandal, Prasanta Kumar Guha, Madhab C. Das, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: organic field-effect transistors;OFETs;metal-organic frameworks;MOFs;chemical warfare agents;CWAs;recrystallization;sulfur mustard stimulants detection;Lewis acid-base interaction;
The successful fabrication of a bilayer OFET with a MOF and its establishment as a sensor have been done to enhance the detection limit of the stimulant of CWAs. In bilayer composition, CPO-27-Ni MOF acts as a sensing layer, which diffused through the grain boundaries of pentacene and creates non-st ...
Leto: 2023 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Surface doping of mercury-sensing molecules in the semiconducting channel of organic field-effect transistors
Shiv Prakash Verma, Chitrak Ghosh, Aniket Jitendra Talreja, Subhamay Pramanik, Riya Sadhukhan, Ajoy Mandal, Abhirup Das, Samanta Suman Kalyan, Dipak Kumar Goswami
Izvirni znanstveni članek
Oznake: mercury-sensing molecules;organic field-effect transistors;OFETs;pyridine-end oligo-p-phenylenevinylene;POPV;point-of-care detection;POC detection;surface morphology;
This article explores the growth mechanism of a pyridine-end oligo-p-phenylenevinylene derivative, a mercury-sensing molecule deposited via thermal vacuum deposition on pentacene dendrite structures in a top-contact-bottom-gate organic field-effect transistor (OFET) configuration, facilitating a met ...
Leto: 2024 Vir: Repozitorij Univerze v Novi Gorici (RUNG)
Št. zadetkov: 9
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