Enhanced performance of all solid-state quantum dot-sensitized solar cells via synchronous deposition of PbS and CdS quantum dots
Enhanced performance of all solid-state quantum dot-sensitized solar cells via synchronous deposition of PbS and CdS quantum dots
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通过同步沉积 PbS 和 CdS 量子点增强全固态量子点敏化太阳能电池的性能
DOI：
10.1039/c9nj05344a
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发表时间：
2020
影响因子：
3.3
通讯作者：
Ru Zhou
中科院分区：
文献类型：
--
作者：
Xiaoli Mao;Jianguo Yu;Jun Xu;Juntian Zhou;Cheng Luo;Lang Wang;Haihong Niu;Jinzhang Xu;Ru Zhou
全固态量子点敏化太阳能电池（QDSC）由于能够解决封装困难和长期稳定性差的问题而变得越来越有吸引力。然而，通常使用的胶体硫化铅（PbS）量子点（QD）具有使用高温、有害有机溶剂和保护气氛的复杂合成。在这项工作中，PbS和CdS量子点的同步沉积，实现了通过一个简单的连续离子层吸附和反应（SILAR），提出了构建高效和稳定的固态QDSC。这种设计概念提供了两个好处：（1）两个硫化物的同步沉积抑制了PbS量子点在薄膜介孔中的过度生长，从而确保了从PbS到TiO 2的有效电子注入;（2）两个硫化物的紧密互穿允许PbS量子点表面上的高密度缺陷的上级钝化，这减少了严重的界面电荷复合。结果，固态（Pb，Cd）S QD敏化的TiO 2太阳能电池与传统的基于PbS/CdS图案的器件相比实现了超过5倍的效率提高。这项工作突出了高性能固态太阳能电池的新型量子点方案的设计。
All solid-state quantum dot-sensitized solar cells (QDSCs) have become increasingly attractive owing to their ability to solve the issues of package difficulty and poor long-term stability. However, the commonly used colloidal lead sulfide (PbS) quantum dots (QDs) suffer from having a complicated synthesis with the use of high-temperature, harmful organic solvents and a protective atmosphere. In this work, the synchronous deposition of PbS and CdS QDs, realized through a facile successive ionic layer adsorption and reaction (SILAR), was proposed to construct efficient and stable solid-state QDSCs. This design concept affords two benefits: (1) the synchronous deposition of two sulfides suppresses the excessive growth of PbS QDs in the mesopores of films, thereby ensuring the efficient electron injection from PbS to TiO2; (2) the intimate interpenetration of two sulfides allows superior passivation of high-density defects on the surface of PbS QDs, which reduces the severe interfacial charge recombination. As a result, the solid-state (Pb,Cd)S QD-sensitized TiO2 solar cell achieved more than 5 times efficiency enhancement in contrast to the conventional PbS/CdS pattern based device. This work highlights the design of novel QD schemes for high performance solid-state solar cells.
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影响因子：
3.3
作者：
A. Subramanian;Dinah Punnoose;S. S. Rao-S.;Chebrolu Venkata Thulasi Varma;Bandari Naresh;Vivekanandan Raman;Hee-jee Kim
通讯作者：
A. Subramanian;Dinah Punnoose;S. S. Rao-S.;Chebrolu Venkata Thulasi Varma;Bandari Naresh;Vivekanandan Raman;Hee-jee Kim
通过优化前驱体溶液和电解质增强 PbS 量子点敏化太阳能电池的性能
影响因子：
4.6
作者：
Tian J;Shen T;Liu X;Fei C;Lv L;Cao G
通讯作者：
Cao G
影响因子：
9.5
作者：
A. Savariraj;Kodakkal Kannan Viswanathan;K. Prabakar
通讯作者：
A. Savariraj;Kodakkal Kannan Viswanathan;K. Prabakar
DOI：
10.1109/pvsc.2013.6744328
发表时间：
2013-06
期刊：
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC)
影响因子：
--
作者：
Katherine E. Roelofs;T. Brennan;O. Trejo;John Xu;F. Prinz;S. Bent
通讯作者：
Katherine E. Roelofs;T. Brennan;O. Trejo;John Xu;F. Prinz;S. Bent
影响因子：
4.9
作者：
Zusing Yang;Chia-Ying Chen;Prathik Roy;Huan‐Tsung Chang
通讯作者：
Zusing Yang;Chia-Ying Chen;Prathik Roy;Huan‐Tsung Chang