Manipulating the triboelectric surface charge density of polymers by low-energy helium ion irradiation/implantation

S Li, Y Fan, H Chen, J Nie, Y Liang, X Tao… - Energy & …, 2020‏ - pubs.rsc.org
Triboelectric materials and their modification methods are the cornerstones for fabricating
triboelectric nanogenerators (TENGs). Numerous modification methods have been …

High energy 120 MeV Ti9+ ion beam induced modifications in optical, structural and surface morphological properties of titanium dioxide thin films

V Kumar, R Gupta, J Ram, P Singh, V Kumar… - Vacuum, 2019‏ - Elsevier
Titanium dioxide thin films were deposited by RF Sputtering technique on Silicon (100) and
ITO substrates followed by annealing at 500° C for 6 h. The synthesized samples were …

[HTML][HTML] UV–visible and infrared spectroscopic studies of Li3+ and C5+ irradiated PADC polymer

R Kumar, P Singh - Results in physics, 2013‏ - Elsevier
Abstract 125 μm Thick PADC polymer samples were irradiated by 50 MeV Li 3+ ions and
250 μm thick PADC polymer samples were irradiated by 70 MeV C 5+ ions. The optical …

Gamma radiation induced modifications on physicochemical properties of Makrofol (KG and N) polycarbonate

SK Gupta, P Singh, R Kumar… - Advances in Polymer …, 2015‏ - Wiley Online Library
Makrofol (KG and N) polycarbonates (PCs) are the most versatile solid‐state nuclear track
detectors. These polymers were exposed to gamma radiation of doses ranging from 250 to …

Modifications induced by gamma irradiation upon structural, optical and chemical properties of polyamide nylon-6, 6 polymer

SK Gupta, P Singh, R Kumar - Radiation effects and defects in …, 2014‏ - Taylor & Francis
The effects of gamma rays were studied on the optical, structural and chemical properties of
the PA-66 polymer samples. The polymer samples obtained from Goodfellow (Cambridge …

Influence of high‐energy ion irradiation on the structural, optical, and chemical properties of Polytetrafluoroethylene

P Singh, R Kumar - Advances in polymer technology, 2014‏ - Wiley Online Library
Polytetrafluoroethylene (PTFE) polymer samples were irradiated by 50 MeV Li3+ ion beams
to the fluences of 1× 1010, 1× 1011, and 1× 1012 ions/cm2. The structural, optical, and …

Modifications of structural, optical and chemical properties of Li3+ irradiated polyurethane and polyetheretherketone

P Singh, SA Ali, R Kumar - Radiation Physics and Chemistry, 2014‏ - Elsevier
Thin membranes of PU and PEEK polymers were irradiated with 50 MeV lithium ions for
modifications in structural, optical and chemical properties. The XRD spectra indicated the …

Influence of SHI upon nanohole free volume and micro scale level surface modifications of polyethyleneterephthalate polymer films

R Kumar, P Singh - Applied Surface Science, 2015‏ - Elsevier
Topographic micro scale and in-depth nano scale level modifications of polymeric materials
play an important role in engineering their physical and chemical properties. Polyethylene …

Modification in electrical conductivity correlated with surface, structural & optical characteristics of graphite ions implanted CR-39

S Bashir, S Ahmad, N Ali, U Kalsoom, MS Rafique… - Heliyon, 2024‏ - cell.com
Ion implantation of laser induced graphite plasma has been performed for modifications in
surface, optical, electrical and structural properties of CR-39. KrF Excimer laser (248 nm, 18 …

The influence of cross-linking and clustering upon the nanohole free volume of the SHI and γ-radiation induced polymeric material

P Singh, R Kumar, R Singh, A Roychowdhury… - Applied Surface …, 2015‏ - Elsevier
The effects of swift heavy ions and gamma radiations upon the nano-scale free volume of
the polymethylemethacrylate (PMMA) polymer were investigated using positron annihilation …