Quantum efficiency

In this study, the effect of benzenethiol ligand on CdSe/ZnS core/shell quantum dots was investigated. Conventional long-chain oleic acid (OA) and trioctylphosphine (TOP) capping ligands were partially replaced by short benzenethiol ligands, and the improvement in the luminescence performance was observed in quantum dot light emitting diodes (QD-LED). Approximately 1.8 fold improvement was achieved for both the maximum luminance and maximum current efficiency for the QD-LEDs fabricated with bezenethiol ligand QDs. The turn-on voltage was reduced by ∼0.6 V by shifting the energy level of QDs with the benzenethiol ligands when compared to the conventional OA and TOP ligands. The mobility of the QD film approximately doubled to 2.42 x 10-5 cm2/V·S…

Brandon Chesley English 1102 Rhetorical Analysis In “Community of Cars” by Ryan Brown, the author uses sarcasm to inform us that we are a lazy, self-destroying community. He relays every negative thing about our environment and health to our increased dependence on cars. Brown seems to cry out to the world that we need to change our ways before it’s too late. He wants people to be more mindful, and to not just throw out the environment. Brown begins his argument with a stroll down…

On a daily basis, the effects of the crisis could not have been more clear. Although the actual oil supply did not go down substantially, prices quadrupled. During the worst days in 1974, oil prices had risen four fold, from “$3 a barrel on October 16 to $11.75…by Christmas.” A lack of heating oil was “freezing up the Yankees” since the crisis coupled with the coldest winters of the century. Not being able to drive as much took a particular toll on morale for Americans, whose lives had become…

now in some vehicle’s Chevy has created them to go in their trucks and some of the cars. This is one of the strongest transmissions even the military uses them. Ford has not been very advanced in contracting a working transmission in their vehicles. The biggest problem in why they stop working so fast or have problem is from how hard the owner drives the vehicle. Chevy and Ford have currently started advancing transmissions into making them 8 speed automatics now. Years back both brands used to…

instance, in 2014 there were just over 14,000 Chevrolet Corvettes that were sold; but now as of April 2016, only 9000 were purchased (Stock). The EPA regulations make the taxes on owning these kinds of cars ridiculous. If you own a sports car, then you are familiar with the “Gas Guzzler Tax.” This tax is put in place by the EPA to -and I quote directly from the EPA webpage- “discourage the production and purchase of fuel in-efficient vehicles” (Gas Guzzler Tax). The EPA literally wants to end…

Critical Inquiry on papers, “Microarchitectural analysis of image quality assessment algorithms” and “PLP: A Community Driven Open Source Platform for Computer Engineering Education” THARUN NIRANJAN GOMUDURAI PANDIAN, Arizona State University The research paper titled, “Microarchitectural analysis of image quality assessment algorithms“, aims to improve the efficiency of image quality assessment (IQA) algorithms by analyzing the runtime efficiency of the algorithms and identifying the…

From the microeconomic view point, the objective of the firm is seen to be one of output maximization from a given set of inputs with minimum cost. In particular, this microeconomic notion presumes that under a free market framework firms should allocate input and output efficiently with the motive being profit maximization or cost minimization. Most empirical analyses examine the performance of a firm by looking at their levels of efficiency (Coelli, Rao, O’Donnell & Battese, 2005). Efficiency…

Papers motivated by dynamic inconsistency As explained in the introduction to this chapter, dynamic inconsistency poses a difficulty for welfare analysis, since the individual reveals different preferences at different points in time and it is unclear which of these set of preferences, if any, should be regarded as representing his welfare. An early approach to welfare evaluation in the presence of dynamic inconsistency is called the multi-selves Pareto criterion (e.g., Laibson et al.…

Efficient Capital Markets Efficient Capital Market is basically the market where the prices of the shares indicate correct information about the stock and at the same time as well. This market efficiency can be judged by the information incorporated into it, which pertains to the value of the securities, which gives a strong indication of the price of the securities. The primary value of the stock refers to the cash flows that may be expected by a person who is the owner of the particular stock.…

The term photoluminescence by definition can be refered to as a molecule or atom which absorbs electromagnetic energy and in turn, emits light.In quantum mechanics, it is where excitation to a higher energy state occurs, which then returns to a lower energy state, together with the emission of a photon. According to Seitz (2006) found in the Credo referencing database, “Photoluminescence excitation spectra are determined by measuring emission intensity at a fixed wavelength while varying the…