báo cáo hóa học:" Hybrid polymer/ZnO solar cells sensitized by PbS quantum dots" pot

... organic/inorganic hybrid solar cells. Various semiconductor QDs such as CdS [8-10], CdSe [11, 12], PbS [13, 14], PbSe [15, 16], and InP [17] have been adopted in the hybrid solar cells. The QD -sensitized ... The QD -sensitized ZnO nanorod-based liquid solar cells have been proposed, but few QD -sensitized organic/ZnO nanorod hybrid solar cells sensitized by...

Ngày tải lên: 21/06/2014, 17:20

... eV at 300 K), SnO 2 is well known for its potential applications in gas sensing [1], photoconductors [2], photocatalysis [3], and dye- sensitized solar cells [4]. Similar to other highly trans- parent ... nanostructures. The substrate is sha- dowed during deposition, first by the array of nano- spheres and then by the growing nanostructures. By causing the vapor flux to arri ve at...

Ngày tải lên: 21/06/2014, 04:20

... of the electronic properties of the quantum dots inserted in quantum dot infrared photodetectors (QDIPs). The strain distribution of three different shaped quantum dots (QDs) with a same ratio ... measured experimental data. Keywords Quantum dots Á PL spectrum Á Strain Á QDIP Introduction Due to three-dimensional confinement for electrons in the quantum- dot structure, quantum- dot i...

Ngày tải lên: 22/06/2014, 01:20

... support (Figure 1). A stem cells injectate includ- ing a mixed population of endothelial progenitor cells (CD133 + ), haematopoiet ic stem cells (CD34 + ), and mesenchymal stem cells (CD105 + ) was ... cells respond to their environment by secreting cytokines and growth factors which act both in an autocrine fashion on the donor cells and exert paracrine effects on the host cel...

Ngày tải lên: 18/06/2014, 16:20

... performance enhancement of the cell. Keywords Quantum dot -sensitized solar cell Á Gold nanoparticles Á Interfacial layer Introduction Quantum dot -sensitized solar cells (QDSSCs) are consid- ered as a ... Author(s) 2010. This article is published with open access at Springerlink.com Abstract Quantum dot -sensitized solar cells based on fluorine-doped tin oxide (FTO)/Au/TiO...

Ngày tải lên: 21/06/2014, 07:20

... 6 5 electrolyte in transport and recombination in dye -sensitized solar cells studied by impedance spectroscopy. Solar Ener Mat Solar Cells 2005, 87:117-131. 10. Naoki Koide, Ashraful Islam, ... dye -sensitized solar cells. Sol Energy Mater 2006, 90:1176-1188. 4. Park K, Gu H, Jin EM, Dhayal M: Using hybrid silica-conjugated TiO 2 nanostructure to enhance the effici...

Ngày tải lên: 21/06/2014, 17:20

... that vascu- lar cells derived from human ES cells may have a potential to be a source for therapeutic vascular regeneration after stroke. Abbreviations ES cells: Embryonic stem cells; VEGF-R2: ... vas- cular cells was performed through the left CCA. We pre- pared four groups of the transplanted cells; Group1: PBS (50 ul), Group 2: hMNCs (3 × 10 6 cells) , Group 3: hES- ECs (1.5 ×...

Ngày tải lên: 18/06/2014, 15:20

... dried for 24 hours. H9 cells, EB (day 3) cells and BC (day 6) cells were harvested, washed in PBS, and were allowed to settle on the coated coverslips for 30 min at 37°C. The cells were then fixed ... necessarily single cells, are bipotential. This suggests that hemangioblast exists at the EB stage and gives rise to bipotential cell clone. But, are the single blast cells also bipo...

Ngày tải lên: 18/06/2014, 15:20

... The layer of RPE cells was dissociated in 0.25% trypsin (Gibco-Invitrogen, USA), by gentle titration, and the cells were collected by centrifuge at 100 × g for 5 minutes. Then the cells were calculated and ... mM potassium chloride treatment in the cultured RPE cells, suggesting that the high potassium-depolarization can not induce DA release from RPE cells (Table 2). It's l...

Ngày tải lên: 18/06/2014, 15:20

... hyperemia induced by a cuff. The extent of dilatation response induced by the restoration of flow is compared to dilata- tion induced by sublingual glyceryl trinitrate. Since the dilatation induced by flow ... in inflammatory states: this may be performed in a potent means by administration of agents such as TNF blockers [55], or more chronically by dietary supplements [117,118],...

Ngày tải lên: 18/06/2014, 15:20