The steady-state photoluminescence (PL) spectra of perovskites on the FTO, PEDOT:PSS, or ZnCo2O4 were measured using a Princeton Instruments Acton 2150 spectrophotometer. A KIMMON KOHA He–Cd laser with double excitation wavelengths at 325/442 nm was utilized as the light source. The absorption...
. With increasing TCB content, the steady-state photoluminescence (PL) spectra reveal a reduced emission of theβ1phase at 816 nm, with a simultaneous increase of the emission of theαphase at 744 nm. From the PL spectra we determine that in pure CF theαphase concentration is negligibl...
Photoluminescence spectra Fig. 4 presents the steady-state photoluminescence (PL) spectrum of [Ni(salophen)] obtained in DMSO (λexc = 378 nm; 1 × 10−5 mol L−1) with only one emission band at the blue-region centered at λPL = 420 nm with a Stokes Shift respecti...
As illustrated in the steady-state photoluminescence (PL) spectra (Fig. 5a), compared with the pristine SnO2, the PL quenching was obviously accelerated for the doped SnO2, which might be attributed to the lower injection barrier from perovskite to the doped SnO2. EIS measurements were conducted...
a光致发光光谱(PL)显示与结构缺陷硫空位(Vs)相关的发射峰随着x的增大,从ZnS的435 nm红移到CdS的620 nm,与计算得到的Vs缺陷能级的移动规律相同。 The photoluminescence spectrum (PL) demonstration and the fault of construction sulfur vacancy (Vs) correlation launch peak along with x enlargement, from the...
photoluminescencesilicon/ electron state occupationphotoluminescence spectrananoscale Si particlesThe occupancy of higher electron energy levels under optical excitation is obtained by solving the Pauli master equation. The shift in peak positions with reducing average particle sizes L 0 for the PL spectra ...
Photoluminescence spectra of the Eu^2^+ center in SrO:Eu (J. Lumin. 59 (1994) 195) Yamashita,N. - 《Journal of Luminescence》 被引量: 16发表: 1994年 Photoluminescence spectra of the Eu2+ center in SrO:Eu - ScienceDirect N. Yamashita, Photoluminescence spectra of the Eu21 center in ...
FluorescentCsPbX3 (X = Cl, Br, I) perovskite nanocrystals (NCs) arecompelling candidates for illumination and display applications becauseof the high photoluminescence quantum yields (PLQYs) narrow PL emissionspectra, and in particular, the potential to tune the emission spectrain the entire visible...
Steady state photoluminescence spectra were measured on a FLS-1000 spectrofluorometer (Edinburgh). Visible PL was measured using a photomultiplier tube (PMT) as the detector (up to ~850 nm). Near-infrared PL was measured using a wide-range InGaAs detector (600–1700 nm) cooled to −80...
The steady-state PL spectroscopy was used to further investigate the optoelectronic properties of the deposited perovskite thin films of samples 1 to 6. As shown in Fig. 5a, samples 1 and 2 showed the lowest PL intensity, indicating the poor quality of the formed perovskite thin film with the...