Monolithic tandem solar cells comprising electrodeposited CuInSe2 and perovskite solar cells with a nanoparticulate ZnO buffer layer,Journal of Materials Chemistry A

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Monolithic tandem solar cells comprising electrodeposited CuInSe2 and perovskite solar cells with a nanoparticulate ZnO buffer layer
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2017-08-25 00:00:00 , DOI: 10.1039/c7ta06163c
Yoon Hee Jang _{1,

2,

3,

4} , Jang Mi Lee _{1,

2,

3,

4,

5} , Jung Woo Seo _{1,

2,

3,

4,

6} , Inho Kim _{2,

3,

4,

7} , Doh-Kwon Lee _{1,

2,

3,

4,

5}

Affiliation

We demonstrate semi-transparent inverted planar perovskite solar cells (PSCs) for monolithic tandem construction with an electrodeposited CuInSe₂ (CISe) solar cell. To eliminate the severe degradation of perovskite/PCBM layers during a transparent conducting oxide sputtering process, a thin ZnO nanoparticle (NP) layer is introduced onto the electron-extracting PCBM layer by a simple solution process without a post-annealing step. It is found that a thin ZnO-NP layer with an optimal thickness facilitates the electron transfer from PCBM to the Ag back contact in opaque devices while also helping to protect the underlying layers from plasma-induced damage in semi-transparent devices. As a result, semi-transparent PSC devices with an inverted architecture having a sputtered Al-doped ZnO top electrode are realized with power conversion efficiencies over 10%. In addition, monolithically integrated, two-terminal tandem devices composed of solution-processed CISe/perovskite are successfully fabricated, demonstrating an efficiency of 11% with a negligible degree of hysteresis.

中文翻译：

整体串联太阳能电池，包括电沉积的CuInSe ₂和具有纳米ZnO缓冲层的钙钛矿太阳能电池

我们演示了半透明倒置平面钙钛矿太阳能电池（PSCs）与电沉积CuInSe _2的整体串联结构。（CISe）太阳能电池。为了消除钙钛矿/ PCBM层在透明导电氧化物溅射过程中的严重降解，可通过简单的固溶过程将薄的ZnO纳米颗粒（NP）层引入到电子提取PCBM层上，而无需进行后退火步骤。发现具有最佳厚度的薄ZnO-NP层有助于电子在不透明器件中从PCBM转移到Ag背接触，同时还有助于保护下层不受半透明器件中等离子体诱导的损害。结果，实现了具有倒置结构的半透明PSC器件，该半透明PSC器件具有溅射的Al掺杂的ZnO顶部电极，其功率转换效率超过10％。另外，单片集成

更新日期：2017-09-19

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