Defect Passivation Using Trichloromelamine for Highly Efficient and Stable Perovskite Solar Cells
Nonradiative recombination losses caused by defects in the perovskite layer seriously affects the efficiency and stability of perovskite solar cells (PSCs). Hence, defect passivation is an effective way to improve the performance of PSCs. In this work, trichloromelamine (TCM) was used as a defects p...
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| Veröffentlicht in: | Polymers 2022-01, Vol.14 (3), p.398 |
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| creator | Niu, Qiaoli Zhang, Ling Xu, Yao Yuan, Chaochao Qi, Weijie Fu, Shuai Ma, Yuhui Zeng, Wenjin Xia, Ruidong Min, Yonggang |
| description | Nonradiative recombination losses caused by defects in the perovskite layer seriously affects the efficiency and stability of perovskite solar cells (PSCs). Hence, defect passivation is an effective way to improve the performance of PSCs. In this work, trichloromelamine (TCM) was used as a defects passivator by adding it into the perovskite precursor solution. The experimental results show that the power conversion efficiency (PCE) of PSC increased from 18.87 to 20.15% after the addition of TCM. What's more, the environmental stability of PSCs was also improved. The working mechanism of TCM was thoroughly investigated, which can be ascribed to the interaction between the -NH- group and uncoordinated lead ions in the perovskite. This work provides a promising strategy for achieving highly efficient and stable PSCs. |
| doi_str_mv | 10.3390/polym14030398 |
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Hence, defect passivation is an effective way to improve the performance of PSCs. In this work, trichloromelamine (TCM) was used as a defects passivator by adding it into the perovskite precursor solution. The experimental results show that the power conversion efficiency (PCE) of PSC increased from 18.87 to 20.15% after the addition of TCM. What's more, the environmental stability of PSCs was also improved. The working mechanism of TCM was thoroughly investigated, which can be ascribed to the interaction between the -NH- group and uncoordinated lead ions in the perovskite. This work provides a promising strategy for achieving highly efficient and stable PSCs.</description><identifier>ISSN: 2073-4360</identifier><identifier>EISSN: 2073-4360</identifier><identifier>DOI: 10.3390/polym14030398</identifier><identifier>PMID: 35160390</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Crystal structure ; Defects ; Energy conversion efficiency ; Glass substrates ; Grain size ; Morphology ; Nanoparticles ; NMR ; Nuclear magnetic resonance ; Passivity ; Perovskites ; Photovoltaic cells ; Scanning electron microscopy ; Solar cells ; Spectrum analysis ; Stability</subject><ispartof>Polymers, 2022-01, Vol.14 (3), p.398</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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This work provides a promising strategy for achieving highly efficient and stable PSCs.</description><subject>Crystal structure</subject><subject>Defects</subject><subject>Energy conversion efficiency</subject><subject>Glass substrates</subject><subject>Grain size</subject><subject>Morphology</subject><subject>Nanoparticles</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Passivity</subject><subject>Perovskites</subject><subject>Photovoltaic cells</subject><subject>Scanning electron microscopy</subject><subject>Solar cells</subject><subject>Spectrum analysis</subject><subject>Stability</subject><issn>2073-4360</issn><issn>2073-4360</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdkc9LwzAcxYMoKtOjVwl48VJNkzRNL4LM-QMEBfUcsvTbLTNtZtIN9t-bsSnTXBK--eTxXh5CZzm5Yqwi13PvVm3OCSOsknvomJKSZZwJsr9zPkKnMc5IWrwQIi8P0RErcpGekGOk76AB0-NXHaNd6t76Dn9E203we7Bm6nzwLTjd2g5w4wN-tJOpW-FR01hjoeux7mr81uuxA_wKwS_jp-0Bv3mnAx6Cc_EEHTTaRTjd7gP0cT96Hz5mzy8PT8Pb58zwvOgzKaWpIS-IkHVBKs3AGKorUQFt6qImRRrxQjclSF3DWAhJOUhCKOfUQAlsgG42uvPFuIXaJHNBOzUPttVhpby26u9NZ6dq4pdKSlZRWSaBy61A8F8LiL1qbTQpgu7AL6KiglZEpK_mCb34h878InQp3poqk7VkK1HZhjLBxxig-TWTE7XuT_3pL_Hnuwl-6Z-22DexU5gX</recordid><startdate>20220120</startdate><enddate>20220120</enddate><creator>Niu, Qiaoli</creator><creator>Zhang, Ling</creator><creator>Xu, Yao</creator><creator>Yuan, Chaochao</creator><creator>Qi, Weijie</creator><creator>Fu, Shuai</creator><creator>Ma, Yuhui</creator><creator>Zeng, Wenjin</creator><creator>Xia, Ruidong</creator><creator>Min, Yonggang</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-4123-9096</orcidid></search><sort><creationdate>20220120</creationdate><title>Defect Passivation Using Trichloromelamine for Highly Efficient and Stable Perovskite Solar Cells</title><author>Niu, Qiaoli ; 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| subjects | Crystal structure Defects Energy conversion efficiency Glass substrates Grain size Morphology Nanoparticles NMR Nuclear magnetic resonance Passivity Perovskites Photovoltaic cells Scanning electron microscopy Solar cells Spectrum analysis Stability |
| title | Defect Passivation Using Trichloromelamine for Highly Efficient and Stable Perovskite Solar Cells |
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