id:"swepub:oai:DiVA.org:liu-166181"
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04225naa a2200457 4500 | |
| 001 | oai:DiVA.org:liu-166181 | |
| 003 | SwePub | |
| 008 | 200609s2020 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1661812 URI |
| 024 | 7 | a https://doi.org/10.1002/aenm.2020006872 DOI |
| 040 | a (SwePub)liu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Yang, Jianmingu East China Normal Univ, Peoples R China4 aut |
| 245 | 1 0 | a Energetics and Energy Loss in 2D Ruddlesden-Popper Perovskite Solar Cells |
| 264 | c 2020-05-12 | |
| 264 | 1 | b WILEY-V C H VERLAG GMBH,c 2020 |
| 338 | a print2 rdacarrier | |
| 500 | a Funding Agencies|National Science Foundation of ChinaNational Natural Science Foundation of China [21875067, 11604099, 51811530011]; Fundamental Research Funds for the Central Universities, Shanghai Ring-Star [19QA1403100]; East China Normal University (ECNU) Multifunctional Platform for Innovation [006]; ECNU future scientist project [WLKXJ2019]; STINT [CH2017-7163]; [SFO-Mat-LiU 2009-00971] | |
| 520 | a 2D Ruddlesden-Popper perovskites (RPPs) are emerging as potential challengers to their 3D counterpart due to superior stability and competitive efficiency. However, the fundamental questions on energetics of the 2D RPPs are not well understood. Here, the energetics at (PEA)(2)(MA)(n)-1PbnI3n+1/[6,6]-phenyl-C61-butyric acid methyl ester (PCBM) interfaces with varying n values of 1, 3, 5, 40, and infinity are systematically investigated. It is found that n-n junctions form at the 2D RPP interfaces (n = 3, 5, and 40), instead of p-n junctions in the pure 2D and 3D scenarios (n = 1 and infinity). The potential gradient across phenethylammonium iodide ligands that significantly decreases surface work function, promotes separation of the photogenerated charge carriers with electron transferring from perovskite crystal to ligand at the interface, reducing charge recombination, which contributes to the smallest energy loss and the highest open-circuit voltage (V-oc) in the perovskite solar cells (PSCs) based on the 2D RPP (n = 5)/PCBM. The mechanism is further verified by inserting a thin 2D RPP capping layer between pure 3D perovskite and PCBM in PSCs, causing the V-oc to evidently increase by 94 mV. Capacitance-voltage measurements with Mott-Schottky analysis demonstrate that such V-oc improvement is attributed to the enhanced potential at the interface. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng |
| 653 | a 2D Ruddlesden-Popper perovskites; energetics; energy loss; open-circuit voltage; perovskite solar cells | |
| 700 | 1 | a Xiong, Shaobingu East China Normal Univ, Peoples R China4 aut |
| 700 | 1 | a Song, Jingnanu Shanghai Jiao Tong Univ, Peoples R China4 aut |
| 700 | 1 | a Wu, Hongbou Donghua Univ, Peoples R China4 aut |
| 700 | 1 | a Zeng, Yihanu East China Normal Univ, Peoples R China4 aut |
| 700 | 1 | a Lu, Linyangu Soochow Univ, Peoples R China4 aut |
| 700 | 1 | a Shen, Kongchaou Soochow Univ, Peoples R China4 aut |
| 700 | 1 | a Hao, Tianyuu Shanghai Jiao Tong Univ, Peoples R China4 aut |
| 700 | 1 | a Ma, Zaifeiu Donghua Univ, Peoples R China4 aut |
| 700 | 1 | a Liu, Fengu Shanghai Jiao Tong Univ, Peoples R China4 aut |
| 700 | 1 | a Duan, Chungangu East China Normal Univ, Peoples R China; Shanxi Univ, Peoples R China4 aut |
| 700 | 1 | a Fahlman, Matsu Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten4 aut0 (Swepub:liu)matfa21 |
| 700 | 1 | a Bao, Qinyeu Linköpings universitet,Laboratoriet för organisk elektronik,Tekniska fakulteten,East China Normal Univ, Peoples R China; Shanxi Univ, Peoples R China4 aut0 (Swepub:liu)qinba41 |
| 710 | 2 | a East China Normal Univ, Peoples R Chinab Shanghai Jiao Tong Univ, Peoples R China4 org |
| 773 | 0 | t Advanced Energy Materialsd : WILEY-V C H VERLAG GMBHg 10:23q 10:23x 1614-6832x 1614-6840 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-166181 |
| 856 | 4 8 | u https://doi.org/10.1002/aenm.202000687 |
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