Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]

Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Luo, Huiming [verfasserIn] Zhang, Zheng Yuan, Ligang Wang, Jiarong Li, Bin Wang, Sijing Abdi-Jalebi, Mojtaba Shi, Lei Zhang, Wenjun Guo, Kunpeng Ding, Liming Yan, Keyou

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Hole transport materials Perovskite solar cell Deeper HOMO level Low cost

Anmerkung:	© The Author(s) 2023

Übergeordnetes Werk:	Enthalten in: Carbon neutrality - [Singapore] : Springer Nature Singapore, 2022, 2(2023), 1 vom: 17. Aug.
Übergeordnetes Werk:	volume:2 ; year:2023 ; number:1 ; day:17 ; month:08

Links:	Volltext

DOI / URN:	10.1007/s43979-023-00061-9

Katalog-ID:	SPR052782123

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520			\|a Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability.
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allfields	10.1007/s43979-023-00061-9 doi (DE-627)SPR052782123 (SPR)s43979-023-00061-9-e DE-627 ger DE-627 rakwb eng Luo, Huiming verfasserin aut Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213 Zhang, Zheng aut Yuan, Ligang aut Wang, Jiarong aut Li, Bin aut Wang, Sijing aut Abdi-Jalebi, Mojtaba aut Shi, Lei aut Zhang, Wenjun aut Guo, Kunpeng aut Ding, Liming aut Yan, Keyou (orcid)0000-0003-4380-7325 aut Enthalten in Carbon neutrality [Singapore] : Springer Nature Singapore, 2022 2(2023), 1 vom: 17. Aug. (DE-627)1802100741 (DE-600)3119327-4 2731-3948 nnns volume:2 year:2023 number:1 day:17 month:08 https://dx.doi.org/10.1007/s43979-023-00061-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2023 1 17 08
spelling	10.1007/s43979-023-00061-9 doi (DE-627)SPR052782123 (SPR)s43979-023-00061-9-e DE-627 ger DE-627 rakwb eng Luo, Huiming verfasserin aut Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213 Zhang, Zheng aut Yuan, Ligang aut Wang, Jiarong aut Li, Bin aut Wang, Sijing aut Abdi-Jalebi, Mojtaba aut Shi, Lei aut Zhang, Wenjun aut Guo, Kunpeng aut Ding, Liming aut Yan, Keyou (orcid)0000-0003-4380-7325 aut Enthalten in Carbon neutrality [Singapore] : Springer Nature Singapore, 2022 2(2023), 1 vom: 17. Aug. (DE-627)1802100741 (DE-600)3119327-4 2731-3948 nnns volume:2 year:2023 number:1 day:17 month:08 https://dx.doi.org/10.1007/s43979-023-00061-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2023 1 17 08
allfields_unstemmed	10.1007/s43979-023-00061-9 doi (DE-627)SPR052782123 (SPR)s43979-023-00061-9-e DE-627 ger DE-627 rakwb eng Luo, Huiming verfasserin aut Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213 Zhang, Zheng aut Yuan, Ligang aut Wang, Jiarong aut Li, Bin aut Wang, Sijing aut Abdi-Jalebi, Mojtaba aut Shi, Lei aut Zhang, Wenjun aut Guo, Kunpeng aut Ding, Liming aut Yan, Keyou (orcid)0000-0003-4380-7325 aut Enthalten in Carbon neutrality [Singapore] : Springer Nature Singapore, 2022 2(2023), 1 vom: 17. Aug. (DE-627)1802100741 (DE-600)3119327-4 2731-3948 nnns volume:2 year:2023 number:1 day:17 month:08 https://dx.doi.org/10.1007/s43979-023-00061-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2023 1 17 08
allfieldsGer	10.1007/s43979-023-00061-9 doi (DE-627)SPR052782123 (SPR)s43979-023-00061-9-e DE-627 ger DE-627 rakwb eng Luo, Huiming verfasserin aut Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213 Zhang, Zheng aut Yuan, Ligang aut Wang, Jiarong aut Li, Bin aut Wang, Sijing aut Abdi-Jalebi, Mojtaba aut Shi, Lei aut Zhang, Wenjun aut Guo, Kunpeng aut Ding, Liming aut Yan, Keyou (orcid)0000-0003-4380-7325 aut Enthalten in Carbon neutrality [Singapore] : Springer Nature Singapore, 2022 2(2023), 1 vom: 17. Aug. (DE-627)1802100741 (DE-600)3119327-4 2731-3948 nnns volume:2 year:2023 number:1 day:17 month:08 https://dx.doi.org/10.1007/s43979-023-00061-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2023 1 17 08
allfieldsSound	10.1007/s43979-023-00061-9 doi (DE-627)SPR052782123 (SPR)s43979-023-00061-9-e DE-627 ger DE-627 rakwb eng Luo, Huiming verfasserin aut Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s) 2023 Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213 Zhang, Zheng aut Yuan, Ligang aut Wang, Jiarong aut Li, Bin aut Wang, Sijing aut Abdi-Jalebi, Mojtaba aut Shi, Lei aut Zhang, Wenjun aut Guo, Kunpeng aut Ding, Liming aut Yan, Keyou (orcid)0000-0003-4380-7325 aut Enthalten in Carbon neutrality [Singapore] : Springer Nature Singapore, 2022 2(2023), 1 vom: 17. Aug. (DE-627)1802100741 (DE-600)3119327-4 2731-3948 nnns volume:2 year:2023 number:1 day:17 month:08 https://dx.doi.org/10.1007/s43979-023-00061-9 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 2 2023 1 17 08
language	English
source	Enthalten in Carbon neutrality 2(2023), 1 vom: 17. Aug. volume:2 year:2023 number:1 day:17 month:08
sourceStr	Enthalten in Carbon neutrality 2(2023), 1 vom: 17. Aug. volume:2 year:2023 number:1 day:17 month:08
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institution	findex.gbv.de
topic_facet	Hole transport materials Perovskite solar cell Deeper HOMO level Low cost
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container_title	Carbon neutrality
authorswithroles_txt_mv	Luo, Huiming @@aut@@ Zhang, Zheng @@aut@@ Yuan, Ligang @@aut@@ Wang, Jiarong @@aut@@ Li, Bin @@aut@@ Wang, Sijing @@aut@@ Abdi-Jalebi, Mojtaba @@aut@@ Shi, Lei @@aut@@ Zhang, Wenjun @@aut@@ Guo, Kunpeng @@aut@@ Ding, Liming @@aut@@ Yan, Keyou @@aut@@
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author	Luo, Huiming
spellingShingle	Luo, Huiming misc Hole transport materials misc Perovskite solar cell misc Deeper HOMO level misc Low cost Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
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topic_title	Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene] Hole transport materials (dpeaa)DE-He213 Perovskite solar cell (dpeaa)DE-He213 Deeper HOMO level (dpeaa)DE-He213 Low cost (dpeaa)DE-He213
topic	misc Hole transport materials misc Perovskite solar cell misc Deeper HOMO level misc Low cost
topic_unstemmed	misc Hole transport materials misc Perovskite solar cell misc Deeper HOMO level misc Low cost
topic_browse	misc Hole transport materials misc Perovskite solar cell misc Deeper HOMO level misc Low cost
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title	Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
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title_full	Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
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author_browse	Luo, Huiming Zhang, Zheng Yuan, Ligang Wang, Jiarong Li, Bin Wang, Sijing Abdi-Jalebi, Mojtaba Shi, Lei Zhang, Wenjun Guo, Kunpeng Ding, Liming Yan, Keyou
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title_sort	improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
title_auth	Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
abstract	Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. © The Author(s) 2023
abstractGer	Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. © The Author(s) 2023
abstract_unstemmed	Abstract Development of suitable hole transport materials is vital for perovskite solar cells (PSCs) to diminish the energy barrier and minimize the potential loss. Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. This work demonstrated that an efficient alignment of energy levels between HTL and perovskite will lead to significant highly efficient PSCs with remarkably enhanced light stability. © The Author(s) 2023
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title_short	Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]
url	https://dx.doi.org/10.1007/s43979-023-00061-9
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author2	Zhang, Zheng Yuan, Ligang Wang, Jiarong Li, Bin Wang, Sijing Abdi-Jalebi, Mojtaba Shi, Lei Zhang, Wenjun Guo, Kunpeng Ding, Liming Yan, Keyou
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up_date	2024-07-03T14:45:37.474Z
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Here, a low-cost hole transport molecule named SFX-POCCF3 (23.72 $/g) is designed with a spiro[fluorene-9,9'-xanthene] (SFX) core and terminated by trifluoroethoxy units. Benefiting from the suitable energy level, high hole mobility, and better charge extraction and transport, the PSCs based on SFX-POCCF3 exhibit improved open-circuit voltage by 0.02 V, therefore, the PSC device based on SFX-POCCF3 exhibits a champion PCE of 21.48%, which is comparable with the control device of Spiro-OMeTAD (21.39%). More importantly, the SFX-POCCF3 based PSC possesses outstanding light stability, which retains 95% of the initial efficiency after about 1,000 h continuous light soaking, which is in accordance with the result continuous output at maximum power point. Whereas, Spiro-OMeTAD witnesses a rapid decrease to 80% of its original efficiency after 100 h light soaking. 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Improving the light stability of perovskite solar cell with new hole transport material based on spiro[fluorene-9,9′-xanthene]

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