Environmental Engineering

Download e-book for kindle: Advances in thin-film solar cells by I M Dharmadasa

By I M Dharmadasa

ISBN-10: 9814316075

ISBN-13: 9789814316071

This ebook concentrates at the most recent advancements in our realizing of solid-state machine physics. the fabric provided is especially experimental and in line with CdTe thin-film sun cells. It extends those new findings to CIGS thin-film sunlight cells and offers a brand new machine layout according to graded bandgap multilayer sunlight cells. This layout has been experimentally validated utilizing the well-researched GaAs/AlGaAs method and preliminary units have proven notable equipment parameters. those units are in a position to soaking up all radiation (UV, noticeable, and infra-red) in the sunlight spectrum and combines "impact ionization" and "impurity photovoltaic" results. the enhanced machine realizing awarded during this ebook should still effect and consultant destiny gadget layout and reasonably cheap thin-film sun panel manufacture.

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4) where I0 represents the saturation current. 5) Therefore, Eq. 6) The rearrangement of this equation provides a useful relation to analyse the I-V data measured under dark conditions for a PV device. 11 The log-linear and linear-linear graphs plotted for detailed analysis of dark I-V characteristics of PV solar devices. A plot of log10 (ID ) versus the voltage applied (V ) across the device takes the form of Fig. 11 for a practical device. It should be noted that both forward and reverse currents are plotted here in the same quadrant by changing the sign of the reverse voltages for convenience.

The electrodeposition of CuInGaSe2 simultaneously provides both these variations during the growth process [17]. 5 Other Advantages of Electrodeposition There are many other advantages in the electrodeposition of semiconductors. In techniques such as MBE and MOCVD, the phase changes occur directly from gas to solid during the materials growth process. However, in electrodeposition, phase changes occur from liquid to solid and nature prefers this transition and, therefore, should produce high-quality material layers.

M. Dharmadasa, J. Young, T. Delsol, A. P. Samantilleke, and N. B. Chaure. (i) Thin Film photovoltaic device and method of making the same; GB 2384621, published on July 30, 2003. (ii) Copper-indium based thin film PV devices and methods of making the same; GB 2396868, published on July 7, 2004. (iii) Thin film photovoltaic devices and method of making the same; GB 2397944, published on August 4, 2004. (iv) Thin film photovoltaic devices and method of making the same; GB 2397945, published on August 4, 2004.

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Advances in thin-film solar cells by I M Dharmadasa

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