
High resolution XPS spectra of (a) Pb (4f) and (b) S (2p) core …
Rapid NO2 gas sensor has been developed based on PbS nanoparticulate thin films synthesized by Successive Ionic Layer Adsorption and Reaction (SILAR) method at different precursor …
Room-temperature direct synthesis of semi-conductive PbS …
2019年11月13日 · Lead sulphide (PbS) nanocrystals (NCs) are promising materials for low-cost, high-performance optoelectronic devices. So far, PbS NCs have to be first synthesized with...
XPS studies and factor analysis of PbS nanocrystal-doped SiO
1999年7月1日 · PbS nanocrystal-doped SiO 2 glass thin films and a single evaporated PbS film were studied by X-ray photoelectron spectroscopy (XPS) and factor analysis (FA). The …
XPS spectra of Pb4f before and after reduction. (a) Before …
Figure 4 represented the XPS spectra of the Pb element of lead silicate glasses surface before and after reduction. The Pb ion was kept in a divalent state or a tetravalent state before …
The X-ray photoelectron spectroscopy (XPS) spectrum of
Present research work highlights the efforts to study the synchronized effect of TiO 2 and PbS on the power conversion efficiency of quantum dot sensitized solar cell (QDSSC).
铅 | Thermo Fisher Scientific - CN
铅的化学符号 Pb 来源于拉丁文 "plumbum",原意为“液态银”。 长期接触铅会导致神经损伤、肾疾病、心血管疾病和生殖毒性。 虽然铅的有害影响早在公元前2000年就被确认,但有史以来却 …
The role of surface passivation for efficient and photostable PbS ...
2016年4月4日 · To identify the origin of the low efficiency, we performed surface X-ray photoelectron spectroscopy (XPS) to probe the species on the surface of the QDs for both …
XPS-and-DFT analyses of the Pb 4f — Zn 3s and Pb 5d
2017年5月31日 · We used the appropriate XPS spectra of Pb-metal (Pb 0), α-PbO 2 (Pb 4+) and α-PbO (Pb 2+) XPS external standards for comparison and qualification of the Pb 4f core …
Metal Halide Solid-State Surface Treatment for High Efficiency PbS …
2015年4月24日 · We developed a layer-by-layer method of preparing PbE (E = S or Se) quantum dot (QD) solar cells using metal halide (PbI 2, PbCl 2, CdI 2, or CdCl 2) salts dissolved in …
Surface chemistry of as-synthesized and air-oxidized PbS …
2018年11月1日 · XPS Pb 4f spectra show that when exposed to air, the peaks from the core PbS and surface Pb(RCOO) 2 and Pb(OH) 2 components, are accompanied by new peaks related …
- 某些结果已被删除