نتایج جستجو برای: Cu(In
تعداد نتایج: 75 فیلتر نتایج به سال:
Ternary clusters Cu(9)In(10)S(9)(SEt)(21)(PPh(3))(3) and Cu(11)In(6)S(7)(S(t)Bu)(15) were isolated from the UV-photolysis products of precursors (PPh(3))(2)CuIn(SEt)(4) and (PPh(3))(2)CuIn(S(t)Bu)(4), respectively, and structurally characterized.
In this study, we investigate the underlying mechanisms of universal negative piezoelectricity in low-dimensional layered materials by carrying out first-principles calculations. Two-dimensional ferroelectric $\mathrm{CuIn}{\mathrm{P}}_{2}{\mathrm{S}}_{6}$ is analyzed detail as a typical example, but theory can be applied to any other piezoelectrics. Consistent with proposed [Phys. Rev. Lett. 1...
Excitation wavelength dependent femtosecond transient photocurrents were measured on CuIn(S,Se)2 solar cell devices, in the range of 330–1300 nm. Below 450 nm wavelength excitations, charge recombination in CdS/ZnO layers is determined to be responsible for longer decays and lower EQE. Femtosecond pump–probe measurements also support the charge transfer and recombination in CdS/ZnO layers. Thes...
Laohavisit, A., Shang, Z., Rubio, L., Cuin, T. A., Very, A.-A., Wang, A., Mortimer, J. C., Macpherson, N., Coxon, K. M., Battey, N. H., Brownlee, C., Park, O. K., Sentenac, H., Shabala, S., Webb, A. A. R. and Davies, J. M. (2012) Arabidopsis annexin1 mediates the radical-activated plasma membrane Ca2+ and K+ -permeable conductance in root cells. The Plant Cell, 24 (4). pp. 1522-1533. ISSN 1040-...
We have performed a first-principles study of the p- and n-type conductivity in CuIn(1-x)Ga(x)Se2 due to native point defects, based on the HSE06 hybrid functional. Band alignment shows that the band gap becomes larger with x due to the increasing conduction band minimum, rendering it hard to establish n-type conductivity in CuGaSe2. From the defect formation energies, we find that In/GaCu is a...
Layered multiferroic materials exhibit a variety of functional properties that can be tuned by varying the temperature and pressure. As-synthesized $\mathrm{CuIn}{\mathrm{P}}_{2}{\mathrm{S}}_{6}$ is layered material displays ferrielectric behavior at room temperature. When synthesized with Cu deficiencies, spontaneously phase segregates to form paraelectric ${\mathrm{In}}_{4/3}{\mathrm{P}}_{2}{...
Herein we report the one-pot electrodeposition of copper indium gallium diselenide, CuIn(1-x)Ga(x)Se(2) (CIGS), thin films as the p-type semiconductor in an ionic liquid medium consisting of choline chloride/urea eutectic mixture known as Reline. The thin films were characterized by scanning electron microscopy with energy dispersive X-ray analysis, transmission electron microscopy, X-ray photo...
We present a first-principles study of the electronic properties of CuIn(S,Se){2} (CIS) using state-of-the-art self-consistent GW and hybrid functionals. The calculated band gap depends strongly on the anion displacement u, an internal structural parameter that measures lattice distortion. This contrasts with the observed stability of the band gap of CIS solar panels under operating conditions,...
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