染料敏化光伏电池市场－全球产业规模、份额、趋势、机会及预测（依应用、材料、地区及竞争格局划分，2021-2031年）

全球染料敏化太阳能电池市场预计将从 2025 年的 1.8877 亿美元大幅成长至 2031 年的 3.9072 亿美元，复合年增长率为 12.89%。

这些第三代光伏装置的工作原理是将光敏染料吸附到半导体（通常是二氧化钛）表面，透过电化学过程将可见光转化为电能。市场需求主要源自于其在室内和低光源环境下的卓越效率，使其成为便携式电子产品和物联网 (IoT) 设备的理想电源。此外，其独特的物理特性，例如柔软性和半透明性，使其能够有效地应用于建筑一体化光伏 (BIPV) 系统，提供传统刚性硅胶面板无法实现的多种设计方案。

儘管染料敏化太阳能电池（DSSC）具有诸多优势，但在液态电解质的长期稳定性方面仍面临重大挑战。液态电解质在温度波动下容易冻结和洩漏，限制了其商业性化应用的耐用性。这项技术限制使得DSSC的应用范围仅限于特定的细分领域，难以与市场领先技术竞争。弗劳恩霍夫太阳能係统研究所的报告凸显了这种差距：到2024年，基于硅片的太阳能电池技术将占全球太阳能发电量的约98%，而染料敏化太阳能电池和其他新兴技术将争夺剩余的专业市场份额。

市场驱动因素

全球染料敏化太阳能电池（DSSC）市场的成长主要受室内和低光源环境下能量采集解决方案需求激增的驱动。随着各行业寻求为连网设备寻找一次性电池的永续替代方案，DSSC凭藉其利用人造光源发电的卓越性能，已成为关键选择。这种日益增长的兴趣得益于显着的技术进步，这些进步也推动了该技术的商业性化应用。例如，2024年12月报导在《光伏杂誌》（PV Magazine）上的一篇题为「印度科学家开发出用于室内应用的40%高效染料敏化太阳能电池」的文章报道称，印度国家跨学科科学技术研究所的研究人员在室内萤光照明下实现了40%的创纪录功率转换效率，显着提升了现代室内电子设备的性能。

同时，这些太阳能电池在自供电物联网和便携式电子设备中的整合正在加速，迫使製造商扩大产能以实现大规模应用。将光电层整合到遥控器和耳机等消费品中的製造流程产业化，便是这一趋势的例证。为了凸显这种规模扩张，《科技时报》2024年5月发表的一篇报导《下一代太阳能电池板为无电池未来铺平道路》报道称，瑞典製造商Exeger已扩建其位于斯德哥尔摩的工厂，使其Powerfoyle太阳能电池的年产量达到250万平方公尺。这种整合对于减少电子废弃物至关重要。根据《富比士》2024年10月发表的一篇报导《无阳光太阳能板为自供电设备铺平道路》中引用的预测，到2025年，每天将有约7800万块为联网设备供电的电池被丢弃，这凸显了这种自充电技术的紧迫性。

市场挑战

阻碍全球染料敏化太阳能电池市场商业性扩张的主要技术障碍是液态电解质固有的不稳定性。这种液态成分在温度波动时容易冻结和洩漏，导致电池难以维持结构完整性，也无法长期稳定输出功率。这一根本性的耐久性问题使得该技术不适用于标准的户外环境，实际上将其排除在住宅屋顶安装和大型发电厂领域之外，因为这些领域需要25年的可靠性保证。因此，製造商无法满足整个太阳能产业庞大的需求，只能将市场限制在利润率较低的细分应用领域，例如室内电子产品等环境压力相对较小的领域。

由于应用范围有限，与较成熟的固体技术相比，新兴光电技术的市场普及速度停滞不前。根据国际能源总署（IEA）光伏系统计画2024年发布的数据，包括染料敏化太阳能电池在内的新兴光伏技术的全球累计装置容量未能超过1吉瓦（GW）。这项数据表明，电解稳定性方面的挑战与市场未能实现吉瓦级部署之间存在直接关联，而吉瓦级部署对于产业的显着扩张至关重要。

市场趋势

为了降低製造成本和减少传统钌基材料对环境的影响，研究人员和相关人员正在加速向天然和有机染料敏化剂的过渡。这一趋势推动了植物来源、无金属和可生物降解敏化剂的开发，这些敏化剂在显着降低生产成本和毒性的同时，也能保持适用于特定应用的性能。近期实验进展支持了这个环境友善策略的可行性。正如MDPI在2024年11月发布的报告《透过优化TiO2 Hombikat UV100和TiO2 P25光阳极提高天然染料敏化太阳能电池效率》中所详述的那样，科学家们已成功开发出基于天然染料的器件，并实现了高达4.87%的功率转换效率。有机化学领域的这些进展对于将这项技术确立为真正的绿色替代方案，并吸引具有环保意识的行业的投资至关重要。

同时，纺织基和柔性太阳能电池的创新正在拓展市场，使其能够整合到曲面和穿戴式电子设备中，而这些应用场景并不适合使用刚性面板。製造商正在采用先进的基板，例如导电聚合物和金属箔，来製造轻质组件，这些组件能够在保持发电能力的同时承受机械变形。这些结构上的进步得到了近期性能评估的技术支持。 2024年2月发表在Springer Professional上的一项题为“不同角度软式电路板柔性染料敏化太阳能电池（FDSSC）的性能”的研究表明，一种采用钛箔光阳极的新型柔性电池在弯曲条件下保持稳定性的同时，实现了2.03%的转换效率。这些几何创新对于在不规则建筑设计和智慧服装领域开闢新的商业性途径至关重要，使该技术能够超越传统的平板应用。

目录

第一章概述

第二章调查方法

第三章执行摘要

第四章：客户评价

第五章 全球染料敏化太阳能电池市场预测

• 市场规模及预测
  • 按金额
• 市占率及预测
  • 依应用领域（行动充电、建筑整合光伏[BIPV]、建筑应用光伏[BAPV]、嵌入式电子、军事、汽车、其他）
  • 依材料分类（二氧化钛、氧化锌、氧化锡、氧化铟）
  • 按地区
  • 按公司（2025 年）
• 市场地图

第六章：北美染料敏化光电电池市场预测

• 市场规模及预测
• 市占率及预测
• 北美洲：国家分析
  • 我们
  • 加拿大
  • 墨西哥

7. 欧洲染料敏化太阳能电池市场展望

• 市场规模及预测
• 市占率及预测
• 欧洲：国家分析
  • 德国
  • 法国
  • 英国
  • 义大利
  • 西班牙

8. 亚太地区染料敏化光伏电池市场展望

• 市场规模及预测
• 市占率及预测
• 亚太地区：国家分析
  • 中国
  • 印度
  • 日本
  • 韩国
  • 澳洲

9. 中东和非洲染料敏化光伏电池市场展望

• 市场规模及预测
• 市占率及预测
• 中东和非洲：国家分析
  • 沙乌地阿拉伯
  • 阿拉伯聯合大公国
  • 南非

第十章：南美洲染料敏化光电电池市场展望

• 市场规模及预测
• 市占率及预测
• 南美洲：国家分析
  • 巴西
  • 哥伦比亚
  • 阿根廷

第十一章 市场动态

• 司机
• 任务

第十二章 市场趋势与发展

• 併购
• 产品发布
• 最新进展

第十三章 全球染料敏化光电电池市场：SWOT分析

第十四章：波特五力分析

• 产业竞争
• 新进入者的可能性
• 供应商电力
• 顾客权力
• 替代品的威胁

第十五章 竞争格局

• 3G Solar Ltd.
• Fujikura Ltd.
• Solaronix SA
• Dyenamo AB
• Dyesol Limited
• Peccell Technologies Inc.
• Nissha Co. Ltd.
• Everlight Chemical Industrial Corp.
• Konica Minolta Inc.
• Greatcell Solar Ltd.

第十六章 策略建议

第十七章：关于研究公司及免责声明

The Global Dye Sensitized Solar Cell Market is projected to expand significantly, rising from USD 188.77 Million in 2025 to USD 390.72 Million by 2031, reflecting a CAGR of 12.89%. These third-generation photovoltaic devices function by adsorbing a photosensitive dye onto a semiconductor surface, usually titanium dioxide, facilitating the conversion of visible light into electricity via an electrochemical process. The market demand is primarily anchored in their exceptional efficiency within indoor and low-light settings, rendering them ideal for powering portable electronics and Internet of Things (IoT) devices. Additionally, their unique physical characteristics, such as flexibility and semi-transparency, enable effective use in building-integrated photovoltaics (BIPV), providing design options that traditional rigid silicon panels cannot offer.

Despite these advantages, the technology encounters major hurdles related to the long-term stability of its liquid electrolyte, which is prone to freezing and leakage under fluctuating temperatures, thus limiting widespread commercial durability. This technical limitation has confined DSSCs to specific niche applications rather than allowing them to compete with dominant market leaders. To highlight this disparity, the Fraunhofer Institute for Solar Energy Systems reported in 2024 that silicon wafer-based technology commanded roughly 98% of global photovoltaic production, leaving dye-sensitized cells and other emerging innovations to vie for the remaining specialized segment of the market.

Market Driver

The growth of the Global Dye Sensitized Solar Cell (DSSC) Market is largely fueled by the surging demand for indoor and low-light energy harvesting solutions. As industries look for sustainable replacements for disposable batteries in connected devices, DSSCs have become a vital option due to their proficiency in generating electricity from artificial light sources. This growing interest is supported by substantial technological advancements that confirm the commercial feasibility of the technology. For example, a December 2024 article in PV Magazine titled 'Indian scientists develop 40%-efficient dye sensitized solar cell for indoor applications' reported that researchers at the National Institute for Interdisciplinary Science and Technology attained a record-breaking 40% power conversion efficiency under indoor fluorescent lighting, significantly enhancing performance for modern indoor electronics.

Parallel to this is the increasing integration of these cells into self-powered IoT and portable electronics, compelling manufacturers to ramp up production capacities for mass adoption. This trend is demonstrated by the industrialization of manufacturing processes to embed photovoltaic layers into consumer products such as remote controls and headphones. Highlighting this scale-up, a Tech Times report from May 2024 titled 'Next-Gen Solar Panels Could Pave Way For Battery-Free Future' noted that Swedish manufacturer Exeger has expanded its Stockholm facility to produce up to 2.5 million square meters of Powerfoyle solar cells annually. This integration is crucial for reducing electronic waste; as cited in a Forbes article from October 2024, 'Solar Cells That Work Without Sunlight Open Way For Self-Powered Devices,' projections indicate that around 78 million batteries powering connected devices will be discarded daily by 2025, emphasizing the urgent need for these self-charging technologies.

Market Challenge

The primary technical obstacle hindering the commercial scalability of the Global Dye Sensitized Solar Cell Market is the inherent instability of the liquid electrolyte. Since this liquid component is physically prone to freezing and leakage during temperature fluctuations, the cells face difficulties in maintaining structural integrity and delivering consistent power output over long durations. This fundamental durability issue renders the technology ill-suited for standard outdoor environments, effectively excluding it from the residential rooftop and utility-scale sectors that require reliability warranties of 25 years. As a result, manufacturers cannot access the high-volume demand that propels the wider solar industry, limiting the market to low-margin niche uses, such as indoor electronics, where environmental stress is comparatively low.

Confinement to specialized applications has led to stagnant market adoption rates when compared to more robust solid-state technologies. According to data from the International Energy Agency Photovoltaic Power Systems Programme in 2024, the global cumulative installed capacity for emerging photovoltaics, including dye-sensitized cells, failed to surpass 1 gigawatt. This statistic underscores the direct relationship between the challenges regarding electrolyte stability and the market's failure to achieve the gigawatt-scale deployment required for significant industrial expansion.

Market Trends

Researchers and industry stakeholders are increasingly shifting toward natural and organic dye sensitizers to lower manufacturing costs and reduce the environmental footprint associated with conventional Ruthenium-based materials. This trend emphasizes the creation of metal-free, biodegradable sensitizers sourced from plants, which drastically reduce production expenses and toxicity while sustaining performance levels suitable for niche uses. The viability of this eco-friendly strategy is backed by recent experimental progress; as detailed in an MDPI report from November 2024 titled 'Enhancement of Natural Dye-Sensitized Solar Cell Efficiency Through TiO2 Hombikat UV100 and TiO2 P25 Photoanode Optimization,' scientists successfully developed a natural dye-based device achieving a notable power conversion efficiency of 4.87%. Such progress in organic chemistry is vital for establishing the technology as a genuinely green alternative, thereby drawing investment from environmentally aware sectors.

Simultaneously, the market is growing through the innovation of textile-based and flexible solar cells, facilitating integration into curved surfaces and wearable electronics where rigid panels are ineffective. Manufacturers are employing advanced substrates like conducting polymers and metal foils to build lightweight modules capable of enduring mechanical deformation without losing energy generation capabilities. This structural advancement is technically supported by recent performance assessments; a study in Springer Professional from February 2024, 'Performance of Flexible Dye-Sensitized Solar Cell (FDSSC) Using Flexible Substrate at Different Angles,' revealed that a new flexible cell using a titanium foil photoanode achieved a conversion efficiency of 2.03% while remaining stable under bending. These form factor innovations are crucial for opening new commercial paths in irregular architectural designs and smart clothing, expanding the technology beyond traditional flat-panel uses.

Key Market Players

• 3G Solar Ltd.
• Fujikura Ltd.
• Solaronix SA
• Dyenamo AB
• Dyesol Limited
• Peccell Technologies Inc.
• Nissha Co. Ltd.
• Everlight Chemical Industrial Corp.
• Konica Minolta Inc.
• Greatcell Solar Ltd.

Report Scope

In this report, the Global Dye Sensitized Solar Cell Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Dye Sensitized Solar Cell Market, By Application

• Portable Charging
• Building-Integrated Photovoltaics [BIPVs]
• Building-Applied Photovoltaics [BAPVs]
• Embedded Electronics
• Military
• Automotive
• Others

Dye Sensitized Solar Cell Market, By Material

• Titanium Oxide
• Zinc Oxide
• Tin Oxide
• Indium Oxide

Dye Sensitized Solar Cell Market, By Region

• North America
  • United States
  • Canada
  • Mexico
• Europe
  • France
  • United Kingdom
  • Italy
  • Germany
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• South America
  • Brazil
  • Argentina
  • Colombia
• Middle East & Africa
  • South Africa
  • Saudi Arabia
  • UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Dye Sensitized Solar Cell Market.

Available Customizations:

Global Dye Sensitized Solar Cell Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

• Detailed analysis and profiling of additional market players (up to five).

Table of Contents

1. Product Overview

• 1.1. Market Definition
• 1.2. Scope of the Market
  • 1.2.1. Markets Covered
  • 1.2.2. Years Considered for Study
  • 1.2.3. Key Market Segmentations

2. Research Methodology

• 2.1. Objective of the Study
• 2.2. Baseline Methodology
• 2.3. Key Industry Partners
• 2.4. Major Association and Secondary Sources
• 2.5. Forecasting Methodology
• 2.6. Data Triangulation & Validation
• 2.7. Assumptions and Limitations

3. Executive Summary

• 3.1. Overview of the Market
• 3.2. Overview of Key Market Segmentations
• 3.3. Overview of Key Market Players
• 3.4. Overview of Key Regions/Countries
• 3.5. Overview of Market Drivers, Challenges, Trends

4. Voice of Customer

5. Global Dye Sensitized Solar Cell Market Outlook

• 5.1. Market Size & Forecast
  • 5.1.1. By Value
• 5.2. Market Share & Forecast
  • 5.2.1. By Application (Portable Charging, Building-Integrated Photovoltaics [BIPVs], Building-Applied Photovoltaics [BAPVs], Embedded Electronics, Military, Automotive, Others)
  • 5.2.2. By Material (Titanium Oxide, Zinc Oxide, Tin Oxide, Indium Oxide)
  • 5.2.3. By Region
  • 5.2.4. By Company (2025)
• 5.3. Market Map

6. North America Dye Sensitized Solar Cell Market Outlook

• 6.1. Market Size & Forecast
  • 6.1.1. By Value
• 6.2. Market Share & Forecast
  • 6.2.1. By Application
  • 6.2.2. By Material
  • 6.2.3. By Country
• 6.3. North America: Country Analysis
  • 6.3.1. United States Dye Sensitized Solar Cell Market Outlook
    • 6.3.1.1. Market Size & Forecast
      • 6.3.1.1.1. By Value
    • 6.3.1.2. Market Share & Forecast
      • 6.3.1.2.1. By Application
      • 6.3.1.2.2. By Material
  • 6.3.2. Canada Dye Sensitized Solar Cell Market Outlook
    • 6.3.2.1. Market Size & Forecast
      • 6.3.2.1.1. By Value
    • 6.3.2.2. Market Share & Forecast
      • 6.3.2.2.1. By Application
      • 6.3.2.2.2. By Material
  • 6.3.3. Mexico Dye Sensitized Solar Cell Market Outlook
    • 6.3.3.1. Market Size & Forecast
      • 6.3.3.1.1. By Value
    • 6.3.3.2. Market Share & Forecast
      • 6.3.3.2.1. By Application
      • 6.3.3.2.2. By Material

7. Europe Dye Sensitized Solar Cell Market Outlook

• 7.1. Market Size & Forecast
  • 7.1.1. By Value
• 7.2. Market Share & Forecast
  • 7.2.1. By Application
  • 7.2.2. By Material
  • 7.2.3. By Country
• 7.3. Europe: Country Analysis
  • 7.3.1. Germany Dye Sensitized Solar Cell Market Outlook
    • 7.3.1.1. Market Size & Forecast
      • 7.3.1.1.1. By Value
    • 7.3.1.2. Market Share & Forecast
      • 7.3.1.2.1. By Application
      • 7.3.1.2.2. By Material
  • 7.3.2. France Dye Sensitized Solar Cell Market Outlook
    • 7.3.2.1. Market Size & Forecast
      • 7.3.2.1.1. By Value
    • 7.3.2.2. Market Share & Forecast
      • 7.3.2.2.1. By Application
      • 7.3.2.2.2. By Material
  • 7.3.3. United Kingdom Dye Sensitized Solar Cell Market Outlook
    • 7.3.3.1. Market Size & Forecast
      • 7.3.3.1.1. By Value
    • 7.3.3.2. Market Share & Forecast
      • 7.3.3.2.1. By Application
      • 7.3.3.2.2. By Material
  • 7.3.4. Italy Dye Sensitized Solar Cell Market Outlook
    • 7.3.4.1. Market Size & Forecast
      • 7.3.4.1.1. By Value
    • 7.3.4.2. Market Share & Forecast
      • 7.3.4.2.1. By Application
      • 7.3.4.2.2. By Material
  • 7.3.5. Spain Dye Sensitized Solar Cell Market Outlook
    • 7.3.5.1. Market Size & Forecast
      • 7.3.5.1.1. By Value
    • 7.3.5.2. Market Share & Forecast
      • 7.3.5.2.1. By Application
      • 7.3.5.2.2. By Material

8. Asia Pacific Dye Sensitized Solar Cell Market Outlook

• 8.1. Market Size & Forecast
  • 8.1.1. By Value
• 8.2. Market Share & Forecast
  • 8.2.1. By Application
  • 8.2.2. By Material
  • 8.2.3. By Country
• 8.3. Asia Pacific: Country Analysis
  • 8.3.1. China Dye Sensitized Solar Cell Market Outlook
    • 8.3.1.1. Market Size & Forecast
      • 8.3.1.1.1. By Value
    • 8.3.1.2. Market Share & Forecast
      • 8.3.1.2.1. By Application
      • 8.3.1.2.2. By Material
  • 8.3.2. India Dye Sensitized Solar Cell Market Outlook
    • 8.3.2.1. Market Size & Forecast
      • 8.3.2.1.1. By Value
    • 8.3.2.2. Market Share & Forecast
      • 8.3.2.2.1. By Application
      • 8.3.2.2.2. By Material
  • 8.3.3. Japan Dye Sensitized Solar Cell Market Outlook
    • 8.3.3.1. Market Size & Forecast
      • 8.3.3.1.1. By Value
    • 8.3.3.2. Market Share & Forecast
      • 8.3.3.2.1. By Application
      • 8.3.3.2.2. By Material
  • 8.3.4. South Korea Dye Sensitized Solar Cell Market Outlook
    • 8.3.4.1. Market Size & Forecast
      • 8.3.4.1.1. By Value
    • 8.3.4.2. Market Share & Forecast
      • 8.3.4.2.1. By Application
      • 8.3.4.2.2. By Material
  • 8.3.5. Australia Dye Sensitized Solar Cell Market Outlook
    • 8.3.5.1. Market Size & Forecast
      • 8.3.5.1.1. By Value
    • 8.3.5.2. Market Share & Forecast
      • 8.3.5.2.1. By Application
      • 8.3.5.2.2. By Material

9. Middle East & Africa Dye Sensitized Solar Cell Market Outlook

• 9.1. Market Size & Forecast
  • 9.1.1. By Value
• 9.2. Market Share & Forecast
  • 9.2.1. By Application
  • 9.2.2. By Material
  • 9.2.3. By Country
• 9.3. Middle East & Africa: Country Analysis
  • 9.3.1. Saudi Arabia Dye Sensitized Solar Cell Market Outlook
    • 9.3.1.1. Market Size & Forecast
      • 9.3.1.1.1. By Value
    • 9.3.1.2. Market Share & Forecast
      • 9.3.1.2.1. By Application
      • 9.3.1.2.2. By Material
  • 9.3.2. UAE Dye Sensitized Solar Cell Market Outlook
    • 9.3.2.1. Market Size & Forecast
      • 9.3.2.1.1. By Value
    • 9.3.2.2. Market Share & Forecast
      • 9.3.2.2.1. By Application
      • 9.3.2.2.2. By Material
  • 9.3.3. South Africa Dye Sensitized Solar Cell Market Outlook
    • 9.3.3.1. Market Size & Forecast
      • 9.3.3.1.1. By Value
    • 9.3.3.2. Market Share & Forecast
      • 9.3.3.2.1. By Application
      • 9.3.3.2.2. By Material

10. South America Dye Sensitized Solar Cell Market Outlook

• 10.1. Market Size & Forecast
  • 10.1.1. By Value
• 10.2. Market Share & Forecast
  • 10.2.1. By Application
  • 10.2.2. By Material
  • 10.2.3. By Country
• 10.3. South America: Country Analysis
  • 10.3.1. Brazil Dye Sensitized Solar Cell Market Outlook
    • 10.3.1.1. Market Size & Forecast
      • 10.3.1.1.1. By Value
    • 10.3.1.2. Market Share & Forecast
      • 10.3.1.2.1. By Application
      • 10.3.1.2.2. By Material
  • 10.3.2. Colombia Dye Sensitized Solar Cell Market Outlook
    • 10.3.2.1. Market Size & Forecast
      • 10.3.2.1.1. By Value
    • 10.3.2.2. Market Share & Forecast
      • 10.3.2.2.1. By Application
      • 10.3.2.2.2. By Material
  • 10.3.3. Argentina Dye Sensitized Solar Cell Market Outlook
    • 10.3.3.1. Market Size & Forecast
      • 10.3.3.1.1. By Value
    • 10.3.3.2. Market Share & Forecast
      • 10.3.3.2.1. By Application
      • 10.3.3.2.2. By Material

11. Market Dynamics

• 11.1. Drivers
• 11.2. Challenges

12. Market Trends & Developments

• 12.1. Merger & Acquisition (If Any)
• 12.2. Product Launches (If Any)
• 12.3. Recent Developments

13. Global Dye Sensitized Solar Cell Market: SWOT Analysis

14. Porter's Five Forces Analysis

• 14.1. Competition in the Industry
• 14.2. Potential of New Entrants
• 14.3. Power of Suppliers
• 14.4. Power of Customers
• 14.5. Threat of Substitute Products

15. Competitive Landscape

• 15.1. 3G Solar Ltd.
  • 15.1.1. Business Overview
  • 15.1.2. Products & Services
  • 15.1.3. Recent Developments
  • 15.1.4. Key Personnel
  • 15.1.5. SWOT Analysis
• 15.2. Fujikura Ltd.
• 15.3. Solaronix SA
• 15.4. Dyenamo AB
• 15.5. Dyesol Limited
• 15.6. Peccell Technologies Inc.
• 15.7. Nissha Co. Ltd.
• 15.8. Everlight Chemical Industrial Corp.
• 15.9. Konica Minolta Inc.
• 15.10. Greatcell Solar Ltd.

16. Strategic Recommendations

17. About Us & Disclaimer