Role of defects in tailoring structural, electrical and optical properties of ZnO

S Dutta, S Chattopadhyay, A Sarkar… - Progress in Materials …, 2009 - Elsevier
In this short topical review, a brief account of the evolution of defects due to controlled
changes in polycrystalline zinc oxide has been presented. X-ray diffraction, Positron …

Magnetic field effects in hybrid perovskite devices

C Zhang, D Sun, CX Sheng, YX Zhai, K Mielczarek… - Nature Physics, 2015 - nature.com
Magnetic field effects have been a successful tool for studying carrier dynamics in organic
semiconductors as the weak spin–orbit coupling in these materials gives rise to long spin …

Photoelectrochemical water splitting with mesoporous hematite prepared by a solution-based colloidal approach

K Sivula, R Zboril, F Le Formal, R Robert… - Journal of the …, 2010 - ACS Publications
Sustainable hydrogen production through photoelectrochemical water splitting using
hematite (α-Fe2O3) is a promising approach for the chemical storage of solar energy, but is …

Characterization and optical properties of mechanochemically synthesized molybdenum-doped rutile nanoparticles and their electronic structure studies by density …

H Maleki-Ghaleh, MS Shakeri, Z Dargahi… - Materials Today …, 2022 - Elsevier
The optical and electronic properties of molybdenum (Mo) doped rutile TiO 2 prepared by
the mechanochemical method were studied both experimentally and using density …

Vapor Phase Processing of α-Fe2O3 Photoelectrodes for Water Splitting: An Insight into the Structure/Property Interplay

MEA Warwick, K Kaunisto, D Barreca… - … applied materials & …, 2015 - ACS Publications
Harvesting radiant energy to trigger water photoelectrolysis and produce clean hydrogen is
receiving increasing attention in the search of alternative energy resources. In this regard …

Direct growth of single-crystalline III–V semiconductors on amorphous substrates

K Chen, R Kapadia, A Harker, S Desai… - Nature …, 2016 - nature.com
The III–V compound semiconductors exhibit superb electronic and optoelectronic properties.
Traditionally, closely lattice-matched epitaxial substrates have been required for the growth …

Temperature dependence of the electron diffusion coefficient in electrolyte-filled nanoparticle films: Evidence against multiple trapping in exponential conduction …

N Kopidakis, KD Benkstein, J Van De Lagemaat… - Physical Review B …, 2006 - APS
The temperature and photoexcitation density dependences of the electron transport
dynamics in electrolyte-filled mesoporous TiO 2 nanoparticle films were investigated by …

Defects and the optical absorption in nanocrystalline ZnO

S Dutta, S Chattopadhyay, M Sutradhar… - Journal of Physics …, 2007 - iopscience.iop.org
The correlation between the structural and optical properties of mechanically milled high
purity ZnO powder is reported in the present work. Reduction of average grain size and …

Analysis of structural disorder on Raman spectra of semiconductors

OV Rambadey, M Gupta, A Kumar… - Journal of Applied …, 2023 - pubs.aip.org
This Tutorial provides a fundamental discussion on the lattice dynamics of physical systems
introduced with disorder and, hence, the importance of Raman spectroscopy (RS) technique …

Electric-field-dependent photoconductivity in CdS nanowires and nanobelts: exciton ionization, Franz–Keldysh, and Stark effects

D Li, J Zhang, Q Zhang, Q Xiong - Nano letters, 2012 - ACS Publications
We report on the electric-field-dependent photoconductivity (PC) near the band-edge region
of individual CdS nanowires and nanobelts. The quasi-periodic oscillations above the band …