
Optimizing the performance of P3HT-based photodetector by …
2020年10月1日 · Optimized P3HT-based photodetector is achieved with the composition of n-type is half than p-type material. In this study, the performance of organic-based photodetectors using poly (3-hexylthiophene) (P3HT) and o -xylenyl-C 60 -bisadduct (OXCBA) as the donor and acceptor material, respectively, is reported.
Effect of annealing on the electronic structure of poly(3 ...
The electronic structure and film structure of poly(3-hexylthiophene) (P3HT) have been studied by X-ray diffraction (XRD) measurements, ultraviolet-visible (UV-vis) absorption spectroscopy, near-edge X-ray absorption fine structure (NEXAFS) measurements, ultraviolet photoemission spectroscopy (UPS) and inver
The origin of high PCE in PTB7 based photovoltaics: proper charge ...
2016年10月13日 · Here, the frontier ortbial line-ups at the donor/acceptor interface in high performance polymer OPVs, PTB7/PC 71 BM, were investigated using in situ UPS, XPS and IPES. The evolution of energy...
Synergistic potentiation between P3HT and PTAA enables blade …
2024年12月1日 · We investigated the energy level of P-P3HT HTL using ultraviolet photoelectron spectroscopy (UPS; Fig. 2 f and g) and UV–vis absorption (Fig. 1 c). As illustrated in Fig. 2 h, the HOMO level of P3HT is shifted down from − 5.17 to − 5.24 eV after adding PTAA.
UPS spectra of PEDOT:PSS/P3HT interface. UPS spectra of (a) the ...
Ultraviolet photoelectron spectroscopy (UPS) and inverse photoemission spectroscopy (IPES) are reliable methods to measure the EA and IP for organic semiconductor films.
Electronic properties of the Poly(3-hexylthiophene) / MoS2 …
2022年1月15日 · For the determination of the physical and electronic properties of the P3HT/MoS 2 interface, the semiconducting polymer was thermally deposited in-situ onto single crystal MoS 2 and MoS 2 prepared by CVD and was studied by XPS and UPS. The electronic structure of the natural single crystal can be affected by heating, which affects the dopants ...
使用光发射产率光谱法测定体异质结系统的能级:P3HT:PCBM 的 …
系统中 P3HT 和 PCBM 之间的质量比在 1:0 到 1:50 之间变化。 使用两种方法研究了电离能对该比率的依赖性:UPS 和 PYS。 为了研究样品形态对 PYS 测量和可获得的结果的影响,准备了相分离和均匀分布的样品进行分析。 在由氯仿溶液制成的样品中观察到 0.40 eV 的 P3HT 电离能位移。 实验表明,P3HT 和 PCBM 之间需要低程度的相分离,以使用 PYS 观察 P3HT 电离能量转移。 相反,在相同系统的 UPS 测量中没有观察到 P3HT 的电离能偏移。 为了研究样品形态对 PYS …
UPS spectra of P3HT/PC 61 BM interface. UPS spectra of (a) the ...
UPS spectra of (a) the normalized secondary electron cutoff, (b) the background-removed HOMO region and (c) magnified HOMO region of the P3HT/PC 61 BM (0.2, 0.5, 1.1, 2.2 nm). [...] The energy...
UPS data on different blends of P3HT:PCBM on NiO x HTL.
Ultra-thin layer molybdenum oxide doping of fullerene has been investigated using ultraviolet photoemission spectroscopy (UPS) and X-ray photoemission spectroscopy (XPS). The highest occupied...
Work function control of hole-selective polymer/ITO anode …
We present a novel method for electrodeposition of ultra-thin films of poly-3-hexylthiophene (e-P3HT) on chemically modified indium -tin oxide (ITO) electrodes, to produce a hole-selective contact with an easily tuned work function (Φ), as demonstrated by a combination of spectroelectrochemistry and ultraviolet photoemission spectroscopy (UPS).