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nuptsww木蟲 (小有名氣)
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[求助]
求翻譯 如下段落
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In spite of the high development potential ofOPVCs,consider- able improvement oftheir stability under operational conditions needs to be achieved.Device durability that involve schemical stability and degradation of polymers has always been an impor- tant issue for OPVCs.Studies have indicated that the degradation mechanisms in OPVCs include reaction with O2, H2O, and the electrode materials.Therefore,to increase thestability of OPVCs requires careful selection of donor,acceptor,electrode,and encapsulation materials. As for the interface stability issue,aluminum,titanium and silver have been used as the bottom cathode and reflective layer of top-illuminated OPVCs [73–75], These metal-based electrodes showed superior sheet resistance to those of the conventional ITO electrodes. Studies of unencapsulated OPVC lifetime have demon- strated efficiency half life of greater than 1500h.Potscavage et al. have noted that the shelf life time of apentacene/C60 cell encapsulated with an Al2O3 film deposited by atomic layer deposition has degraded by 6% over a 6100h period,compared to a lifetime of 10 h for an unencapsulated cell. google的不要 |
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鐵桿木蟲 (著名寫手)
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【答案】應(yīng)助回帖
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愛(ài)與雨下: 金幣+1 2013-09-27 22:51:24
nuptsww: 金幣+30, 翻譯EPI+1, ★★★很有幫助 2013-09-28 09:24:01
愛(ài)與雨下: 金幣+1 2013-09-27 22:51:24
nuptsww: 金幣+30, 翻譯EPI+1, ★★★很有幫助 2013-09-28 09:24:01
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僅供參考： 盡管OPVC有巨大的發(fā)展?jié)摿�，他們�(cè)谶\(yùn)行條件下的穩(wěn)定性有必要實(shí)現(xiàn)相當(dāng)大的改善。涉及化合物穩(wěn)定性和聚合物降解的設(shè)備耐久性一直是OPVC的一個(gè)重要問(wèn)題。研究提示OPVC降解機(jī)制包括與O2、H2O和電極材料的反應(yīng)。因此，增加OPVC的穩(wěn)定性需要精心挑選供體、受體、電極和封裝材料。至于界面穩(wěn)定性的問(wèn)題，鋁，鈦和銀已被用來(lái)作為底部的陰極和頂部照明OPVC的反射層，這些基于金屬的電極與傳統(tǒng)的ITO電極相比表現(xiàn)出優(yōu)越的薄層電阻。 對(duì)未封裝OPVC壽命的研究已經(jīng)表明其效率半衰期大于1500小時(shí)。Potscavage等注意到通過(guò)原子層沉積氧化鋁膜的非并五苯/C60電池的保質(zhì)期在6100小時(shí)中退化6％，而未封裝電池的壽命僅10小時(shí)。 |
2樓2013-09-27 20:41:22
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