inorganic nanostructure bulk heterojunction devices
Mathematical modeling and analysis of organic bulk heterojunction solar cells
... dissociation at D/A interfaces Bulk- heterojunctions can be produced by spin-casting a mixture of donor 10 1.3 photoactive layer morphology Figure 1.5: Schematics of the organic bulk- heterojunction morphology ... that is only overcome by the invention of the bulk- heterojunction architecture 1.2.2 Charge carrier separation Exciton dissociation occurs at the heterojunction formed by a donor and an acceptor ... morphology-property relations in realistic, disordered BHJ morphologies Keywords: organic solar cells; bulk- heterojunction; morphology; charge carrier transport; recombination; exciton; mathematical modeling;...
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Bulk heterojunction organic solar cells based on crosslinked polymer donor networks
... Heeger’s group and Friend’s group reported the concept of bulk heterojunction by blending polymer and fullerene or two polymers in 1995.28,29 Bulk heterojunction allows for more interfacial contact ... been experimentally testified to be better than bulk heterojunction yet 10 Figure 1.6 2D representation of (a) planar, (b) bulk and (c) engineered heterojunction The photocurrent generation sites ... but also the inferior light absorption of bulkheterojunction compared with a single junction whose bandgap equals to the virtual bandgap of the bulk- heterojunction For instance, silicon has a...
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A systematic study on bulk heterojunction solar cells from PQT 12
... materials with inorganic nano-particles can be another interesting alternative Furthermore, p-type polymeric materials can also be combined with n-type inorganic material to form bulk heterojunction ... proposal of bulk heterojunction concept (see Fig 1.8) Most of the significant work in organic solar cells was done based on this concept and produced some encouraging results Bulk heterojunction ... a better understanding of PQT12 based bulk heterojunction solar cells We report, for the first time, the application of PQT-12 as donor material in bulk heterojunction solar cells A relatively...
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Bulk Acoustic Wave Theory and Devices pptx
... Applications of Acoustics Rosenbaum,Joel, Bulk Acoustic Wave Theory and Devices Rossi, Mario, Acoustics and Electroacoustics Bulk Acoustic Wave Theory and Devices by Joel F Rosenbaum Artech House ... Rosenbaum, Joel, 1945 Dec 9Bulk acoustic wave theory and devices / Joel Rosenbaum p cm Bibliography: p Includes index ISBN 0-89006-265-X Acoustic surface wave devices Acousto-optical devices I Title TK5981.R64 ... Responses 11.7 Composite Resonators 11.7.1 High Overtone Bulk Acoustic Resonators 11.7.2 Film Bulk Acoustic Resonators 11.7.3 Applications of Film Bulk Acoustic Resonators Appendix A Index 371 371 372...
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Bulk Acoustic Wave Theory and Devices ppt
... Applications of Acoustics Rosenbaum,Joel, Bulk Acoustic Wave Theory and Devices Rossi, Mario, Acoustics and Electroacoustics Bulk Acoustic Wave Theory and Devices by Joel F Rosenbaum Artech House ... Rosenbaum, Joel, 1945 Dec 9Bulk acoustic wave theory and devices / Joel Rosenbaum p cm Bibliography: p Includes index ISBN 0-89006-265-X Acoustic surface wave devices Acousto-optical devices I Title TK5981.R64 ... Responses 11.7 Composite Resonators 11.7.1 High Overtone Bulk Acoustic Resonators 11.7.2 Film Bulk Acoustic Resonators 11.7.3 Applications of Film Bulk Acoustic Resonators Appendix A Index 371 371 372...
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Manage MD devices aka Linux Software Raid
... -n, raid -devices= Specify the number of active devices in the array This, plus the number of spare devices (see below) must equal the number of component -devices (including "missing" devices) ... spare devices For Manage mode: -a, add hotadd listed devices -r, remove remove listed devices They must not be active i.e they should be failed or spare devices -f, fail mark listed devices ... necessary support -x, spare -devices= Specify the number of spare (eXtra) devices in the initial array Spares can also be added and removed later The number of component devices listed on the command...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 3
... Sclater Chapter 5/3/01 10:19 AM Page 52 MECHANISMS THAT SORT, FEED, OR WEIGH ORIENTING DEVICES Here’s a common problem; Parts arrive in either open-end or closed-end first; you need a ... it avoids the cam-based mechanisms more commonly used for accomplishing this job SIMPLE FEEDING DEVICES The oscillating sector picks up the desired number of parts, left diagram, and feeds them ... rotating wheels form a simple device for alternating the feed of two different workpieces SORTING DEVICES In the simple device (A) the balls run down two inclined and slightly divergent rails The...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 4
... it is stationary 121 Sclater Chapter 5/3/01 10:45 AM Page 122 FRICTION DEVICES FOR INTERMITTENT ROTARY MOTION Friction devices are free from such common disadvantages inherent in conventional ... twostop operations, and they have difficulty producing three stops per index Most two-stop indexing devices available are cam-operated, which means they require greater input angles for indexing Geared ... wheel is driven approximately 60º, and then it stops for the remaining 300º ROTARY-TO-RECIPROCATING DEVICES In a typical scotch yoke, a, the motion of the rotating input crank is translated into the...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 5
... Sclater Chapter 5/3/01 11:45 AM Page 134 TWELVE EXPANDING AND CONTRACTING DEVICES Parallel bars, telescoping slides, and other devices that can spark answers to many design problems Figs and Expanding ... patent has been granted, and the linkage was applied to a camera to replace slides and telescoping devices Linkages, with their minimal pivot friction, serve many useful purposes in machinery, replacing ... plates) Other prior mechanisms relied on spring loading, differential multiple-point drives and other devices to reduce backlash In providing three-point drive along a track between the movable and...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 6
... equals LA + LB 195 Sclater Chapter 5/3/01 12:25 PM Page 196 FOURTEEN ADJUSTING DEVICES Here is a selection of some basic devices that provide and hold mechanical adjustment Fig A spring-loaded pin ... spring rate can be easily varied, and it is not subject to permanent set Air springs are elastic devices that employ compressed air as the spring element They maintain a soft ride and a constant ... variations about a preFig determined level Sclater Chapter 5/3/01 12:25 PM Page 191 TWENTY SCREW DEVICES A threaded shaft and a nut plus some way to make one of these members rotate without translating...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 7
... properly seated 216 Sclater Chapter 5/3/01 12:33 PM Page 217 EIGHT SNAP-ACTION DEVICES Another selection of basic devices for obtaining sudden motion after a gradual buildup of force Fig A torsion ... III come into toggle Sclater Chapter 5/3/01 12:33 PM Page 213 SIXTEEN LATCH, TOGGLE, AND TRIGGER DEVICES Diagrams of basic latching and quick-release mechanisms Fig Cam-guided latch (A) has one ... increasing load until friction is suddenly overcome This is a useful action for small sensitive devices where large forces and movements are undesirable This is the way we snap our fingers That...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 8
... the entire cycle Housed in a lightweight, compact, cylindrical package, the sequencer requires no bulky ratchets, friction clutches, or camand-track followers Among its possible applications are ... logarithmic spiral gears shown in (A), are open-curved They are usually components in computing devices The elliptically shaped gears, shown in (B), are closed curved They are components in automatic...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 9
... in the tape drive shown Fig Two dual-spring clutches are in this tape drive Spring clutches are devices for driving a load in one direction and uncoupling it when the output is overdriven or the ... forward speed Sclater Chapter 5/3/01 12:57 PM Page 311 SEVEN OVERRUNNING CLUTCHES These are simple devices that can be made inexpensively in the workshop Fig A lawnmower clutch Fig Molded sprags ... (20º in this case) into a one-way motion to advance an inking ribbon One of the simplest known devices was used to obtain the one-way drive—a spring clutch which is a helical spring joining two...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 10
... small steam turbines 365 Sclater Chapter 10 5/3/01 1:08 PM Page 366 SPEED CONTROL DEVICES FOR MECHANISMS Friction devices, actuated by centrifugal force, automatically keep speed constant regardless ... control follows the summation of the errors in the material and the indicator itself The controlling devices, which are operated by the indicators, determine the degree of speed change required to ... will give a drag or tension that is reasonably constant over a wide speed range The other braking devices mentioned here will exert a torque that will vary widely with speed, but will be definite...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 11
... indicator Capsules give improved linearity over bellows for such applications as pressure-measuring devices The force exerted by any capsule is equal to the total effective area of the diaphragms ... process pressure 381 Sclater Chapter 11 5/3/01 1:16 PM Page 382 DIFFERENTIAL TRANSFORMER SENSING DEVICES Gage pressure bellows transmitter The bellows is connected to a cantilever beam with a needle ... Sclater Chapter 11 5/3/01 1:16 PM Page 387 PERMANENT MAGNET MECHANISMS Fig A suspension Fig Tension devices Fig An instrument coupling Fig A reel brake Fig A crankcase oil drain plug Fig A non-rattling...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 13
... in selected position); (2) overload devices in mechanical linkages (they shift to the opposite position when sufficiently loaded); and (3) energy-storage devices Two applications, shown in Fig ... 5/3/01 1:32 PM Page 437 Fig A four-slot geneva (A) and an eight-slot geneva (B) Both have locking devices Consider an external geneva wheel, shown in Fig 1, in which n = number of slots a = crank...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 14
... microminiature motors, sensors, gear trains, valves, and other devices that easily fit on a silicon microchip, but difficulties in powering these devices has inhibited their practical applications MEMS ... commercial demand Initially ADI built these devices by interleaving, combining, and customizing its internal manufacturing processes to produce the micromechanical devices with the same processes it used ... the device and its specific application requirements However, the microscopic dimensions of the devices generally rule out current-induced magnetic forces such as those that drive conventional...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 15
... Data Sclater, Neil Mechanisms and mechanical devices sourcebook / Neil Sclater, Nicholas P Chironis.— 3rd ed p cm Rev ed of: Mechanisms & mechanical devices sourcebook / [edited by] Nicholas P ... Edition of Mechanisms and Mechanical Devices Sourcebook after the death of Mr Chironis The late Nicholas P Chironis developed the concept for Mechanisms and Mechanical Devices Sourcebook, and was the ... 1996 ISBN 0-07-136169-3 Mechanical movements I Chironis, Nicholas P II Mechanisms & mechanical devices sourcebook III Title TJ181.S28 2001 621.8—dc21 2001030297 Copyright © 2001, 1996, 1991 by...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 12
... loosening the screw 413 Sclater Chapter 12 5/3/01 1:25 PM Page 414 FRICTION CLAMPING DEVICES Many different devices for gaining mechanical advantage have been used in the design of friction clamps ... quickly released on demand is required Some suggested applications for this mechanism are in coupling devices for load-carrying carts or trucks, hooks or pick-up attachments for cranes, and quick-release ... 1:25 PM Page 416 DETENTS FOR STOPPING MECHANICAL MOVEMENTS Some of the more robust and practical devices for stopping mechanical movements are illustrated here Fixed holding power is constant in...
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Mechanisms and Mechanical Devices Sourcebook - Chapter 16
... Detectors, jam Detents axial magnetic Detents cont positive radial stopping movement for roller Devices adjustable pitch speed spacecrank adjusting anti-backlash cartridge-actuated clamping clamping ... 53 402 234 92 114 114 191 202 191 192 53 217 54 366 383 417 416 414 422 123 114 387 Index Terms Devices cont tilting time-delay switching toggle translation-to-rotation variable-speed weight-regulating ... microscope (SEM) Micro-inertial systems, three-axis Micromachines Micromachining (fabrication) bulk multilevel surface Micromechanical actuators Links 110 174 61 138 430 132 431 154 154 157 396...
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