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首页> 外文会议>Symposium on Microcrystalline and Nanocrystalline Semiconductors-1998 held November 30-December 3, 1998, Boston, Massachusetts, U.S.A. >Nanoparticle-based contacts to CdTe
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Nanoparticle-based contacts to CdTe

机译：基于纳米粒子的CdTe接触

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摘要

Our team has been investigating the use of particle-based contacts in CdTe solar cell technologies. Toward this end, particles of Cu-doped HgTe (Hg-Cu-Te) and Sb-Te have been applied as contacts to CdTe/CdS/SnO_2 heterostructures. These metal telluride materials were characterized by standard methods. Hg-Cu-Te particles in graphite electrodag contacts produced CdTe solar cells with efficiencies above 12percent and series resistance (R_(se)) of 6 #OMEGA# or less. Metathesis preparation of Cu(I) and Cu(II) tellurides (i.e., Cu_2Te and CuTe, respectively) were attempted as a means of characterizing the valence state of Cu in the Hg-Cu-Te ink. For Sb-Te contacts to CdTe, open circuit voltages (V_(ocS)) in excess of 800 mV were observed, however, efficiencies were limited to 9percent; perhaps a consequence of the marked increase in the R_(se) (i.e., >20 #OMEGA#) in these non-graphite containing contacts. Acetylene black was mixed into the methanolic Sb-Te colloid as a means of reducing R_(se), however, no improvement in device properties was observed.
机译：我们的团队一直在研究CdTe太阳能电池技术中基于粒子的接触的使用。为此，已经将掺杂Cu的HgTe（Hg-Cu-Te）和Sb-Te的颗粒用作CdTe / CdS / SnO_2异质结构的接触。这些金属碲化物材料通过标准方法表征。石墨电沉积接触中的Hg-Cu-Te粒子产生的CdTe太阳能电池的效率高于12％，串联电阻（R_（se））为6＃OMEGA＃或更小。尝试制备碲化铜（I）和碲化铜（II）（分别为Cu_2Te和CuTe）作为表征Hg-Cu-Te油墨中Cu的价态的手段。对于与CdTe的Sb-Te触点，观察到的开路电压（V_（ocS））超过800 mV，但是效率限制为9％。可能是这些不含石墨的触点中R_（se）（即> 20＃OMEGA＃）显着增加的结果。将乙炔黑混入甲醇Sb-Te胶体中，以降低R_（se），但未观察到器件性能的改善。

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