气候变化领域集成服务门户(CCPortal): Synthesis cost dictates the commercial viability of lead sulfide and perovskite quantum dot photovoltaics

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DOI	10.1039/c8ee01348a
	Synthesis cost dictates the commercial viability of lead sulfide and perovskite quantum dot photovoltaics
	Jean J.; Xiao J.; Nick R.; Moody N.; Nasilowski M.; Bawendi M.; Bulović V.
发表日期	2018
ISSN	17545692
起始页码	2295
结束页码	2305
卷号	11 期号:9
英文摘要	Any new solar photovoltaic (PV) technology must reach low production costs to compete with today's market-leading crystalline silicon and commercial thin-film PV technologies. Colloidal quantum dots (QDs) could open up new applications by enabling lightweight and flexible PV modules. However, the cost of synthesizing nanocrystals at the large scale needed for PV module production has not previously been investigated. Based on our experience with commercial QD scale-up, we develop a Monte Carlo model to analyze the cost of synthesizing lead sulfide and metal halide perovskite QDs using 8 different reported synthetic methods. We also analyze the cost of solution-phase ligand exchange for preparing deposition-ready PbS QD inks, as well as the manufacturing cost for roll-to-roll solution-processed PV modules using these materials. We find that present QD synthesis costs are prohibitively high for PV applications, with median costs of 11 to 59 $ per g for PbS QDs (0.15 to 0.84 $ per W for a 20% efficient cell) and 73 $ per g for CsPbI3 QDs (0.74 $ per W). QD ink preparation adds 6.3 $ per g (0.09 $ per W). In total, QD materials contribute up to 55% of the total module cost, making even roll-to-roll-processed QDPV modules significantly more expensive than silicon PV modules. These results suggest that the development of new low-cost synthetic methods is critically important for the commercial relevance of QD photovoltaics. Using our cost model, we identify strategies for reducing synthetic cost and propose a cost target of 5 $ per g to move QD solar cells closer to commercial viability. © 2018 The Royal Society of Chemistry.
英文关键词	IV-VI semiconductors; Lead compounds; Metal halides; Monte Carlo methods; Nanocrystals; Perovskite; Photovoltaic cells; Semiconductor quantum dots; Solar cells; Solar power generation; Sulfur compounds; Colloidal quantum dots; Commercial viability; Crystalline silicons; Halide perovskites; Manufacturing cost; Solar photovoltaic technology; Solution-processed; Synthetic methods; Costs; commercial activity; ligand; Monte Carlo analysis; numerical model; perovskite; photovoltaic system; quantum mechanics; sulfide
语种	英语
来源期刊	Energy & Environmental Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/190134
作者单位	Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA, United States; Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, United States
推荐引用方式 GB/T 7714	Jean J.,Xiao J.,Nick R.,et al. Synthesis cost dictates the commercial viability of lead sulfide and perovskite quantum dot photovoltaics[J],2018,11(9).
APA	Jean J..,Xiao J..,Nick R..,Moody N..,Nasilowski M..,...&Bulović V..(2018).Synthesis cost dictates the commercial viability of lead sulfide and perovskite quantum dot photovoltaics.Energy & Environmental Science,11(9).
MLA	Jean J.,et al."Synthesis cost dictates the commercial viability of lead sulfide and perovskite quantum dot photovoltaics".Energy & Environmental Science 11.9(2018).